Search criteria
57 vulnerabilities found for next.js by vercel
CVE-2025-67779 (GCVE-0-2025-67779)
Vulnerability from nvd – Published: 2025-12-11 23:36 – Updated: 2025-12-12 18:40
VLAI?
Summary
It was found that the fix addressing CVE-2025-55184 in React Server Components was incomplete and does not prevent a denial of service attack in a specific case. React Server Components versions 19.0.2, 19.1.3 and 19.2.2 are affected, allowing unsafe deserialization of payloads from HTTP requests to Server Function endpoints. This can cause an infinite loop that hangs the server process and may prevent future HTTP requests from being served.
Severity ?
7.5 (High)
CWE
- (CWE-502) Deserialization of Untrusted Data, (CWE-400) Uncontrolled Resource Consumption
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Meta | react-server-dom-parcel |
Affected:
19.0.2 , ≤ 19.0.2
(semver)
Affected: 19.1.3 , ≤ 19.1.3 (semver) Affected: 19.2.2 , ≤ 19.2.2 (semver) |
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|
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CVE-2025-55184 (GCVE-0-2025-55184)
Vulnerability from nvd – Published: 2025-12-11 20:05 – Updated: 2025-12-15 16:37
VLAI?
Summary
A pre-authentication denial of service vulnerability exists in React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerable code unsafely deserializes payloads from HTTP requests to Server Function endpoints, which can cause an infinite loop that hangs the server process and may prevent future HTTP requests from being served.
Severity ?
7.5 (High)
CWE
- (CWE-502) Deserialization of Untrusted Data. (CWE-400) Uncontrolled Resource Consumption
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Meta | react-server-dom-webpack |
Affected:
19.0.0 , ≤ 19.0.1
(semver)
Affected: 19.1.0 , ≤ 19.1.2 (semver) Affected: 19.2.0 , ≤ 19.2.1 (semver) |
||||||||||||
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CVE-2025-55183 (GCVE-0-2025-55183)
Vulnerability from nvd – Published: 2025-12-11 20:04 – Updated: 2026-01-07 16:26
VLAI?
Summary
An information leak vulnerability exists in specific configurations of React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. A specifically crafted HTTP request sent to a vulnerable Server Function may unsafely return the source code of any Server Function. Exploitation requires the existence of a Server Function which explicitly or implicitly exposes a stringified argument.
Severity ?
5.3 (Medium)
CWE
- (CWE-502) Deserialization of Untrusted Data. (CWE-497) Exposure of Sensitive System Information to an Unauthorized Actor
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Meta | react-server-dom-webpack |
Affected:
19.0.0 , ≤ 19.0.1
(semver)
Affected: 19.1.0 , ≤ 19.1.2 (semver) Affected: 19.2.0 , ≤ 19.2.1 (semver) |
||||||||||||
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CVE-2025-55182 (GCVE-0-2025-55182)
Vulnerability from nvd – Published: 2025-12-03 15:40 – Updated: 2025-12-11 20:15
VLAI?
Summary
A pre-authentication remote code execution vulnerability exists in React Server Components versions 19.0.0, 19.1.0, 19.1.1, and 19.2.0 including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerable code unsafely deserializes payloads from HTTP requests to Server Function endpoints.
Severity ?
10 (Critical)
CWE
- Deserialization of Untrusted Data (CWE-502)
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Meta | react-server-dom-webpack |
Affected:
19.0.0 , ≤ 19.0.0
(semver)
Affected: 19.1.0 , ≤ 19.1.1 (semver) Affected: 19.2.0 , ≤ 19.2.0 (semver) |
||||||||||||
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CVE-2025-57822 (GCVE-0-2025-57822)
Vulnerability from nvd – Published: 2025-08-29 21:33 – Updated: 2025-09-02 17:26
VLAI?
Title
Next.js Improper Middleware Redirect Handling Leads to SSRF
Summary
Next.js is a React framework for building full-stack web applications. Prior to versions 14.2.32 and 15.4.7, when next() was used without explicitly passing the request object, it could lead to SSRF in self-hosted applications that incorrectly forwarded user-supplied headers. This vulnerability has been fixed in Next.js versions 14.2.32 and 15.4.7. All users implementing custom middleware logic in self-hosted environments are strongly encouraged to upgrade and verify correct usage of the next() function.
Severity ?
6.5 (Medium)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2025-57752 (GCVE-0-2025-57752)
Vulnerability from nvd – Published: 2025-08-29 22:06 – Updated: 2025-09-02 19:23
VLAI?
Title
Next.js Affected by Cache Key Confusion for Image Optimization API Routes
Summary
Next.js is a React framework for building full-stack web applications. In versions before 14.2.31 and from 15.0.0 to before 15.4.5, Next.js Image Optimization API routes are affected by cache key confusion. When images returned from API routes vary based on request headers (such as Cookie or Authorization), these responses could be incorrectly cached and served to unauthorized users due to a cache key confusion bug. This vulnerability has been fixed in Next.js versions 14.2.31 and 15.4.5. All users are encouraged to upgrade if they use API routes to serve images that depend on request headers and have image optimization enabled.
Severity ?
6.2 (Medium)
CWE
- CWE-524 - Use of Cache Containing Sensitive Information
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
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CVE-2025-55173 (GCVE-0-2025-55173)
Vulnerability from nvd – Published: 2025-08-29 22:00 – Updated: 2025-09-02 19:22
VLAI?
Title
Next.js Content Injection Vulnerability for Image Optimization
Summary
Next.js is a React framework for building full-stack web applications. In versions before 14.2.31 and from 15.0.0 to before 15.4.5, Next.js Image Optimization is vulnerable to content injection. The issue allowed attacker-controlled external image sources to trigger file downloads with arbitrary content and filenames under specific configurations. This behavior could be abused for phishing or malicious file delivery. This vulnerability has been fixed in Next.js versions 14.2.31 and 15.4.5.
Severity ?
4.3 (Medium)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
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CVE-2025-49826 (GCVE-0-2025-49826)
Vulnerability from nvd – Published: 2025-07-03 21:03 – Updated: 2025-07-08 14:33
VLAI?
Title
Next.js DoS vulnerability via cache poisoning
Summary
Next.js is a React framework for building full-stack web applications. From versions 15.0.4-canary.51 to before 15.1.8, a cache poisoning bug leading to a Denial of Service (DoS) condition was found in Next.js. This issue does not impact customers hosted on Vercel. Under certain conditions, this issue may allow a HTTP 204 response to be cached for static pages, leading to the 204 response being served to all users attempting to access the page. This issue has been addressed in version 15.1.8.
Severity ?
7.5 (High)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
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CVE-2025-49005 (GCVE-0-2025-49005)
Vulnerability from nvd – Published: 2025-07-03 21:01 – Updated: 2025-07-08 14:34
VLAI?
Title
Next.js cache poisoning due to omission of Vary header
Summary
Next.js is a React framework for building full-stack web applications. In Next.js App Router from 15.3.0 to before 15.3.3 and Vercel CLI from 41.4.1 to 42.2.0, a cache poisoning vulnerability was found. The issue allowed page requests for HTML content to return a React Server Component (RSC) payload instead under certain conditions. When deployed to Vercel, this would only impact the browser cache, and would not lead to the CDN being poisoned. When self-hosted and deployed externally, this could lead to cache poisoning if the CDN does not properly distinguish between RSC / HTML in the cache keys. This issue has been resolved in Next.js 15.3.3.
Severity ?
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
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CVE-2025-48068 (GCVE-0-2025-48068)
Vulnerability from nvd – Published: 2025-05-30 03:37 – Updated: 2025-06-13 14:47
VLAI?
Title
Information exposure in Next.js dev server due to lack of origin verification
Summary
Next.js is a React framework for building full-stack web applications. In versions starting from 13.0 to before 14.2.30 and 15.0.0 to before 15.2.2, Next.js may have allowed limited source code exposure when the dev server was running with the App Router enabled. The vulnerability only affects local development environments and requires the user to visit a malicious webpage while npm run dev is active. This issue has been patched in versions 14.2.30 and 15.2.2.
Severity ?
CWE
- CWE-1385 - Missing Origin Validation in WebSockets
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
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CVE-2025-32421 (GCVE-0-2025-32421)
Vulnerability from nvd – Published: 2025-05-14 22:56 – Updated: 2025-05-15 15:42
VLAI?
Title
Next.js Race Condition to Cache Poisoning
Summary
Next.js is a React framework for building full-stack web applications. Versions prior to 14.2.24 and 15.1.6 have a race-condition vulnerability. This issue only affects the Pages Router under certain misconfigurations, causing normal endpoints to serve `pageProps` data instead of standard HTML. This issue was patched in versions 15.1.6 and 14.2.24 by stripping the `x-now-route-matches` header from incoming requests. Applications hosted on Vercel's platform are not affected by this issue, as the platform does not cache responses based solely on `200 OK` status without explicit `cache-control` headers. Those who self-host Next.js deployments and are unable to upgrade immediately can mitigate this vulnerability by stripping the `x-now-route-matches` header from all incoming requests at the content development network and setting `cache-control: no-store` for all responses under risk. The maintainers of Next.js strongly recommend only caching responses with explicit cache-control headers.
Severity ?
CWE
- CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
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CVE-2025-30218 (GCVE-0-2025-30218)
Vulnerability from nvd – Published: 2025-04-02 21:23 – Updated: 2025-10-13 15:37
VLAI?
Title
Next.js may leak x-middleware-subrequest-id to external hosts
Summary
Next.js is a React framework for building full-stack web applications. To mitigate CVE-2025-29927, Next.js validated the x-middleware-subrequest-id which persisted across multiple incoming requests. However, this subrequest ID is sent to all requests, even if the destination is not the same host as the Next.js application. Initiating a fetch request to a third-party within Middleware will send the x-middleware-subrequest-id to that third party. This vulnerability is fixed in 12.3.6, 13.5.10, 14.2.26, and 15.2.4.
Severity ?
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
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CVE-2025-29927 (GCVE-0-2025-29927)
Vulnerability from nvd – Published: 2025-03-21 14:34 – Updated: 2025-04-08 15:17
VLAI?
Title
Authorization Bypass in Next.js Middleware
Summary
Next.js is a React framework for building full-stack web applications. Starting in version 1.11.4 and prior to versions 12.3.5, 13.5.9, 14.2.25, and 15.2.3, it is possible to bypass authorization checks within a Next.js application, if the authorization check occurs in middleware. If patching to a safe version is infeasible, it is recommend that you prevent external user requests which contain the x-middleware-subrequest header from reaching your Next.js application. This vulnerability is fixed in 12.3.5, 13.5.9, 14.2.25, and 15.2.3.
Severity ?
9.1 (Critical)
CWE
- CWE-285 - Improper Authorization
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-56332 (GCVE-0-2024-56332)
Vulnerability from nvd – Published: 2025-01-03 20:19 – Updated: 2025-01-03 20:51
VLAI?
Title
Next.js Vulnerable to Denial of Service (DoS) with Server Actions
Summary
Next.js is a React framework for building full-stack web applications. Starting in version 13.0.0 and prior to versions 13.5.8, 14.2.21, and 15.1.2, Next.js is vulnerable to a Denial of Service (DoS) attack that allows attackers to construct requests that leaves requests to Server Actions hanging until the hosting provider cancels the function execution. This vulnerability can also be used as a Denial of Wallet (DoW) attack when deployed in providers billing by response times. (Note: Next.js server is idle during that time and only keeps the connection open. CPU and memory footprint are low during that time.). Deployments without any protection against long running Server Action invocations are especially vulnerable. Hosting providers like Vercel or Netlify set a default maximum duration on function execution to reduce the risk of excessive billing. This is the same issue as if the incoming HTTP request has an invalid `Content-Length` header or never closes. If the host has no other mitigations to those then this vulnerability is novel. This vulnerability affects only Next.js deployments using Server Actions. The issue was resolved in Next.js 13.5.8, 14.2.21, and 15.1.2. We recommend that users upgrade to a safe version. There are no official workarounds.
Severity ?
5.3 (Medium)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2024-51479 (GCVE-0-2024-51479)
Vulnerability from nvd – Published: 2024-12-17 18:13 – Updated: 2024-12-17 20:36
VLAI?
Title
Authorization bypass in Next.js
Summary
Next.js is a React framework for building full-stack web applications. In affected versions if a Next.js application is performing authorization in middleware based on pathname, it was possible for this authorization to be bypassed for pages directly under the application's root directory. For example: * [Not affected] `https://example.com/` * [Affected] `https://example.com/foo` * [Not affected] `https://example.com/foo/bar`. This issue is patched in Next.js `14.2.15` and later. If your Next.js application is hosted on Vercel, this vulnerability has been automatically mitigated, regardless of Next.js version. There are no official workarounds for this vulnerability.
Severity ?
7.5 (High)
CWE
- CWE-285 - Improper Authorization
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
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CVE-2025-67779 (GCVE-0-2025-67779)
Vulnerability from cvelistv5 – Published: 2025-12-11 23:36 – Updated: 2025-12-12 18:40
VLAI?
Summary
It was found that the fix addressing CVE-2025-55184 in React Server Components was incomplete and does not prevent a denial of service attack in a specific case. React Server Components versions 19.0.2, 19.1.3 and 19.2.2 are affected, allowing unsafe deserialization of payloads from HTTP requests to Server Function endpoints. This can cause an infinite loop that hangs the server process and may prevent future HTTP requests from being served.
Severity ?
7.5 (High)
CWE
- (CWE-502) Deserialization of Untrusted Data, (CWE-400) Uncontrolled Resource Consumption
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Meta | react-server-dom-parcel |
Affected:
19.0.2 , ≤ 19.0.2
(semver)
Affected: 19.1.3 , ≤ 19.1.3 (semver) Affected: 19.2.2 , ≤ 19.2.2 (semver) |
||||||||||||
|
||||||||||||||
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CVE-2025-55184 (GCVE-0-2025-55184)
Vulnerability from cvelistv5 – Published: 2025-12-11 20:05 – Updated: 2025-12-15 16:37
VLAI?
Summary
A pre-authentication denial of service vulnerability exists in React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerable code unsafely deserializes payloads from HTTP requests to Server Function endpoints, which can cause an infinite loop that hangs the server process and may prevent future HTTP requests from being served.
Severity ?
7.5 (High)
CWE
- (CWE-502) Deserialization of Untrusted Data. (CWE-400) Uncontrolled Resource Consumption
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Meta | react-server-dom-webpack |
Affected:
19.0.0 , ≤ 19.0.1
(semver)
Affected: 19.1.0 , ≤ 19.1.2 (semver) Affected: 19.2.0 , ≤ 19.2.1 (semver) |
||||||||||||
|
||||||||||||||
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CVE-2025-55183 (GCVE-0-2025-55183)
Vulnerability from cvelistv5 – Published: 2025-12-11 20:04 – Updated: 2026-01-07 16:26
VLAI?
Summary
An information leak vulnerability exists in specific configurations of React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. A specifically crafted HTTP request sent to a vulnerable Server Function may unsafely return the source code of any Server Function. Exploitation requires the existence of a Server Function which explicitly or implicitly exposes a stringified argument.
Severity ?
5.3 (Medium)
CWE
- (CWE-502) Deserialization of Untrusted Data. (CWE-497) Exposure of Sensitive System Information to an Unauthorized Actor
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Meta | react-server-dom-webpack |
Affected:
19.0.0 , ≤ 19.0.1
(semver)
Affected: 19.1.0 , ≤ 19.1.2 (semver) Affected: 19.2.0 , ≤ 19.2.1 (semver) |
||||||||||||
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CVE-2025-55182 (GCVE-0-2025-55182)
Vulnerability from cvelistv5 – Published: 2025-12-03 15:40 – Updated: 2025-12-11 20:15
VLAI?
Summary
A pre-authentication remote code execution vulnerability exists in React Server Components versions 19.0.0, 19.1.0, 19.1.1, and 19.2.0 including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerable code unsafely deserializes payloads from HTTP requests to Server Function endpoints.
Severity ?
10 (Critical)
CWE
- Deserialization of Untrusted Data (CWE-502)
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Meta | react-server-dom-webpack |
Affected:
19.0.0 , ≤ 19.0.0
(semver)
Affected: 19.1.0 , ≤ 19.1.1 (semver) Affected: 19.2.0 , ≤ 19.2.0 (semver) |
||||||||||||
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CVE-2025-57752 (GCVE-0-2025-57752)
Vulnerability from cvelistv5 – Published: 2025-08-29 22:06 – Updated: 2025-09-02 19:23
VLAI?
Title
Next.js Affected by Cache Key Confusion for Image Optimization API Routes
Summary
Next.js is a React framework for building full-stack web applications. In versions before 14.2.31 and from 15.0.0 to before 15.4.5, Next.js Image Optimization API routes are affected by cache key confusion. When images returned from API routes vary based on request headers (such as Cookie or Authorization), these responses could be incorrectly cached and served to unauthorized users due to a cache key confusion bug. This vulnerability has been fixed in Next.js versions 14.2.31 and 15.4.5. All users are encouraged to upgrade if they use API routes to serve images that depend on request headers and have image optimization enabled.
Severity ?
6.2 (Medium)
CWE
- CWE-524 - Use of Cache Containing Sensitive Information
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
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CVE-2025-55173 (GCVE-0-2025-55173)
Vulnerability from cvelistv5 – Published: 2025-08-29 22:00 – Updated: 2025-09-02 19:22
VLAI?
Title
Next.js Content Injection Vulnerability for Image Optimization
Summary
Next.js is a React framework for building full-stack web applications. In versions before 14.2.31 and from 15.0.0 to before 15.4.5, Next.js Image Optimization is vulnerable to content injection. The issue allowed attacker-controlled external image sources to trigger file downloads with arbitrary content and filenames under specific configurations. This behavior could be abused for phishing or malicious file delivery. This vulnerability has been fixed in Next.js versions 14.2.31 and 15.4.5.
Severity ?
4.3 (Medium)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
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CVE-2025-57822 (GCVE-0-2025-57822)
Vulnerability from cvelistv5 – Published: 2025-08-29 21:33 – Updated: 2025-09-02 17:26
VLAI?
Title
Next.js Improper Middleware Redirect Handling Leads to SSRF
Summary
Next.js is a React framework for building full-stack web applications. Prior to versions 14.2.32 and 15.4.7, when next() was used without explicitly passing the request object, it could lead to SSRF in self-hosted applications that incorrectly forwarded user-supplied headers. This vulnerability has been fixed in Next.js versions 14.2.32 and 15.4.7. All users implementing custom middleware logic in self-hosted environments are strongly encouraged to upgrade and verify correct usage of the next() function.
Severity ?
6.5 (Medium)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
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CVE-2025-49826 (GCVE-0-2025-49826)
Vulnerability from cvelistv5 – Published: 2025-07-03 21:03 – Updated: 2025-07-08 14:33
VLAI?
Title
Next.js DoS vulnerability via cache poisoning
Summary
Next.js is a React framework for building full-stack web applications. From versions 15.0.4-canary.51 to before 15.1.8, a cache poisoning bug leading to a Denial of Service (DoS) condition was found in Next.js. This issue does not impact customers hosted on Vercel. Under certain conditions, this issue may allow a HTTP 204 response to be cached for static pages, leading to the 204 response being served to all users attempting to access the page. This issue has been addressed in version 15.1.8.
Severity ?
7.5 (High)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
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CVE-2025-49005 (GCVE-0-2025-49005)
Vulnerability from cvelistv5 – Published: 2025-07-03 21:01 – Updated: 2025-07-08 14:34
VLAI?
Title
Next.js cache poisoning due to omission of Vary header
Summary
Next.js is a React framework for building full-stack web applications. In Next.js App Router from 15.3.0 to before 15.3.3 and Vercel CLI from 41.4.1 to 42.2.0, a cache poisoning vulnerability was found. The issue allowed page requests for HTML content to return a React Server Component (RSC) payload instead under certain conditions. When deployed to Vercel, this would only impact the browser cache, and would not lead to the CDN being poisoned. When self-hosted and deployed externally, this could lead to cache poisoning if the CDN does not properly distinguish between RSC / HTML in the cache keys. This issue has been resolved in Next.js 15.3.3.
Severity ?
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
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CVE-2025-48068 (GCVE-0-2025-48068)
Vulnerability from cvelistv5 – Published: 2025-05-30 03:37 – Updated: 2025-06-13 14:47
VLAI?
Title
Information exposure in Next.js dev server due to lack of origin verification
Summary
Next.js is a React framework for building full-stack web applications. In versions starting from 13.0 to before 14.2.30 and 15.0.0 to before 15.2.2, Next.js may have allowed limited source code exposure when the dev server was running with the App Router enabled. The vulnerability only affects local development environments and requires the user to visit a malicious webpage while npm run dev is active. This issue has been patched in versions 14.2.30 and 15.2.2.
Severity ?
CWE
- CWE-1385 - Missing Origin Validation in WebSockets
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
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CVE-2025-32421 (GCVE-0-2025-32421)
Vulnerability from cvelistv5 – Published: 2025-05-14 22:56 – Updated: 2025-05-15 15:42
VLAI?
Title
Next.js Race Condition to Cache Poisoning
Summary
Next.js is a React framework for building full-stack web applications. Versions prior to 14.2.24 and 15.1.6 have a race-condition vulnerability. This issue only affects the Pages Router under certain misconfigurations, causing normal endpoints to serve `pageProps` data instead of standard HTML. This issue was patched in versions 15.1.6 and 14.2.24 by stripping the `x-now-route-matches` header from incoming requests. Applications hosted on Vercel's platform are not affected by this issue, as the platform does not cache responses based solely on `200 OK` status without explicit `cache-control` headers. Those who self-host Next.js deployments and are unable to upgrade immediately can mitigate this vulnerability by stripping the `x-now-route-matches` header from all incoming requests at the content development network and setting `cache-control: no-store` for all responses under risk. The maintainers of Next.js strongly recommend only caching responses with explicit cache-control headers.
Severity ?
CWE
- CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
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CVE-2025-30218 (GCVE-0-2025-30218)
Vulnerability from cvelistv5 – Published: 2025-04-02 21:23 – Updated: 2025-10-13 15:37
VLAI?
Title
Next.js may leak x-middleware-subrequest-id to external hosts
Summary
Next.js is a React framework for building full-stack web applications. To mitigate CVE-2025-29927, Next.js validated the x-middleware-subrequest-id which persisted across multiple incoming requests. However, this subrequest ID is sent to all requests, even if the destination is not the same host as the Next.js application. Initiating a fetch request to a third-party within Middleware will send the x-middleware-subrequest-id to that third party. This vulnerability is fixed in 12.3.6, 13.5.10, 14.2.26, and 15.2.4.
Severity ?
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
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}
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CVE-2025-29927 (GCVE-0-2025-29927)
Vulnerability from cvelistv5 – Published: 2025-03-21 14:34 – Updated: 2025-04-08 15:17
VLAI?
Title
Authorization Bypass in Next.js Middleware
Summary
Next.js is a React framework for building full-stack web applications. Starting in version 1.11.4 and prior to versions 12.3.5, 13.5.9, 14.2.25, and 15.2.3, it is possible to bypass authorization checks within a Next.js application, if the authorization check occurs in middleware. If patching to a safe version is infeasible, it is recommend that you prevent external user requests which contain the x-middleware-subrequest header from reaching your Next.js application. This vulnerability is fixed in 12.3.5, 13.5.9, 14.2.25, and 15.2.3.
Severity ?
9.1 (Critical)
CWE
- CWE-285 - Improper Authorization
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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},
{
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CVE-2024-56332 (GCVE-0-2024-56332)
Vulnerability from cvelistv5 – Published: 2025-01-03 20:19 – Updated: 2025-01-03 20:51
VLAI?
Title
Next.js Vulnerable to Denial of Service (DoS) with Server Actions
Summary
Next.js is a React framework for building full-stack web applications. Starting in version 13.0.0 and prior to versions 13.5.8, 14.2.21, and 15.1.2, Next.js is vulnerable to a Denial of Service (DoS) attack that allows attackers to construct requests that leaves requests to Server Actions hanging until the hosting provider cancels the function execution. This vulnerability can also be used as a Denial of Wallet (DoW) attack when deployed in providers billing by response times. (Note: Next.js server is idle during that time and only keeps the connection open. CPU and memory footprint are low during that time.). Deployments without any protection against long running Server Action invocations are especially vulnerable. Hosting providers like Vercel or Netlify set a default maximum duration on function execution to reduce the risk of excessive billing. This is the same issue as if the incoming HTTP request has an invalid `Content-Length` header or never closes. If the host has no other mitigations to those then this vulnerability is novel. This vulnerability affects only Next.js deployments using Server Actions. The issue was resolved in Next.js 13.5.8, 14.2.21, and 15.1.2. We recommend that users upgrade to a safe version. There are no official workarounds.
Severity ?
5.3 (Medium)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2024-56332",
"datePublished": "2025-01-03T20:19:11.525Z",
"dateReserved": "2024-12-19T18:39:53.612Z",
"dateUpdated": "2025-01-03T20:51:02.392Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CERTFR-2025-ALE-014
Vulnerability from certfr_alerte - Published: 2025-12-05 - Updated: 2025-12-11
[Mise à jour du 11 décembre 2025]
Le CERT-FR a connaissance de multiples exploitations de la vulnérabilité CVE-2025-55182. Les serveurs avec une version vulnérable exposés après la publication des preuves de concept publiques du 5 décembre 2025 doivent être considérés comme compromis.
Certains billets de blogues [1] [2] incluent des indicateurs de compromission. Ces indicateurs n'ont pas été qualifiés par le CERT-FR.
[Mise à jour du 08 décembre 2025]
Le CERT-FR a connaissance d'exploitations pour la vulnérabilité CVE-2025-55182.
[Publication initiale]
Le 3 décembre 2025, React a publié un avis de sécurité relatif à la vulnérabilité CVE-2025-55182 affectant React Server Components et qui permet à un attaquant non authentifié de provoquer une exécution de code arbitraire à distance. L'éditeur de Next.js a également publié un avis de sécurité faisant référence à l'identifiant CVE-2025-66478. Cet identifiant a été rejeté en raison du doublon avec l'identifiant utilisé par React. Cette faille de sécurité est également connue sous le nom de React2Shell.
Cette vulnérabilité concerne plus précisément les React Server Functions. Même si une application n'utilise pas explicitement de telles fonctions, elle peut être vulnérable si elle supporte les React Server Components. En particulier, plusieurs cadriciels tels que Next.js implémentent de telles fonctions par défaut.
Les technologies React Server Components et React Server Functions sont relativement récentes (la version 19 de React a été publiée fin 2024) et toutes les applications utilisant la technologie React ne sont ainsi pas nécessairement affectées. Veuillez vous référer à la section systèmes affectés pour plus d'informations.
Le CERT-FR a connaissance de preuves de concept publiques pour cette vulnérabilité et anticipe des exploitations en masse.
Note : Le CERT-FR a connaissance de la mise en place de règles de blocages de la vulnérabilité au niveau de plusieurs pare-feu applicatifs web populaires. Bien que ces mécanismes puissent rendre l'exploitation de la vulnérabilité plus difficile, ils ne peuvent pas remplacer une mise à jour vers une version corrective.
Solutions
Le CERT-FR recommande de mettre à jour au plus vite les composants vers les versions correctives listées dans les avis éditeurs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| N/A | N/A | Expo sans les versions correctives de react-server-dom-webpack | ||
| N/A | N/A | Redwood SDK versions antérieures à 1.0.0-alpha.0 | ||
| Vercel | Next.js | Next.js versions 15.0.x antérieures à 15.0.5 | ||
| N/A | N/A | Waku sans les versions correctives de react-server-dom-webpack | ||
| Vercel | Next.js | Next.js versions 15.1.x antérieures à 15.1.9 | ||
| Vercel | Next.js | Next.js versions 15.5.x antérieures à 15.5.7 | ||
| Meta | React | react-server-dom-webpack, react-server-dom-parcel et react-server-dom-turbopack versions 19.2.x antérieures à 19.2.1 | ||
| Vercel | Next.js | Next.js versions 14.x canary | ||
| Vercel | Next.js | Next.js versions 15.3.x antérieures à 15.3.6 | ||
| N/A | N/A | React router avec le support de l'API RSC sans les derniers correctifs de sécurité | ||
| Meta | React | react-server-dom-webpack, react-server-dom-parcel et react-server-dom-turbopack versions 19.0.x antérieures à 19.0.1 | ||
| Vercel | Next.js | Next.js versions 15.4.x antérieures à 15.4.8 | ||
| Meta | React | react-server-dom-webpack, react-server-dom-parcel et react-server-dom-turbopack versions 19.1.x antérieures à 19.1.2 | ||
| Vercel | Next.js | Next.js versions 16.0.x antérieures à 16.0.7 | ||
| N/A | N/A | Vitejs avec le greffon plugin-rsc sans les derniers correctifs de sécurité | ||
| Vercel | Next.js | Next.js versions 15.2.x antérieures à 15.2.6 |
References
| Title | Publication Time | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Expo sans les versions correctives de react-server-dom-webpack",
"product": {
"name": "N/A",
"vendor": {
"name": "N/A",
"scada": false
}
}
},
{
"description": "Redwood SDK versions ant\u00e9rieures \u00e0 1.0.0-alpha.0",
"product": {
"name": "N/A",
"vendor": {
"name": "N/A",
"scada": false
}
}
},
{
"description": "Next.js versions 15.0.x ant\u00e9rieures \u00e0 15.0.5",
"product": {
"name": "Next.js",
"vendor": {
"name": "Vercel",
"scada": true
}
}
},
{
"description": "Waku sans les versions correctives de react-server-dom-webpack",
"product": {
"name": "N/A",
"vendor": {
"name": "N/A",
"scada": false
}
}
},
{
"description": "Next.js versions 15.1.x ant\u00e9rieures \u00e0 15.1.9",
"product": {
"name": "Next.js",
"vendor": {
"name": "Vercel",
"scada": true
}
}
},
{
"description": "Next.js versions 15.5.x ant\u00e9rieures \u00e0 15.5.7",
"product": {
"name": "Next.js",
"vendor": {
"name": "Vercel",
"scada": true
}
}
},
{
"description": "react-server-dom-webpack, react-server-dom-parcel et react-server-dom-turbopack versions 19.2.x ant\u00e9rieures \u00e0 19.2.1",
"product": {
"name": "React",
"vendor": {
"name": "Meta",
"scada": false
}
}
},
{
"description": "Next.js versions 14.x canary",
"product": {
"name": "Next.js",
"vendor": {
"name": "Vercel",
"scada": true
}
}
},
{
"description": "Next.js versions 15.3.x ant\u00e9rieures \u00e0 15.3.6",
"product": {
"name": "Next.js",
"vendor": {
"name": "Vercel",
"scada": true
}
}
},
{
"description": "React router avec le support de l\u0027API RSC sans les derniers correctifs de s\u00e9curit\u00e9",
"product": {
"name": "N/A",
"vendor": {
"name": "N/A",
"scada": false
}
}
},
{
"description": "react-server-dom-webpack, react-server-dom-parcel et react-server-dom-turbopack versions 19.0.x ant\u00e9rieures \u00e0 19.0.1",
"product": {
"name": "React",
"vendor": {
"name": "Meta",
"scada": false
}
}
},
{
"description": "Next.js versions 15.4.x ant\u00e9rieures \u00e0 15.4.8",
"product": {
"name": "Next.js",
"vendor": {
"name": "Vercel",
"scada": true
}
}
},
{
"description": "react-server-dom-webpack, react-server-dom-parcel et react-server-dom-turbopack versions 19.1.x ant\u00e9rieures \u00e0 19.1.2",
"product": {
"name": "React",
"vendor": {
"name": "Meta",
"scada": false
}
}
},
{
"description": "Next.js versions 16.0.x ant\u00e9rieures \u00e0 16.0.7",
"product": {
"name": "Next.js",
"vendor": {
"name": "Vercel",
"scada": true
}
}
},
{
"description": "Vitejs avec le greffon plugin-rsc sans les derniers correctifs de s\u00e9curit\u00e9",
"product": {
"name": "N/A",
"vendor": {
"name": "N/A",
"scada": false
}
}
},
{
"description": "Next.js versions 15.2.x ant\u00e9rieures \u00e0 15.2.6",
"product": {
"name": "Next.js",
"vendor": {
"name": "Vercel",
"scada": true
}
}
}
],
"affected_systems_content": "",
"closed_at": null,
"content": "## Solutions\n\nLe CERT-FR recommande de mettre \u00e0 jour au plus vite les composants vers les versions correctives list\u00e9es dans les avis \u00e9diteurs (cf. section Documentation). ",
"cves": [
{
"name": "CVE-2025-55182",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-55182"
},
{
"name": "CVE-2025-66478",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-66478"
}
],
"initial_release_date": "2025-12-05T00:00:00",
"last_revision_date": "2025-12-11T00:00:00",
"links": [
{
"title": "[2] Billet de Blogue de Huntress, analyse et indicateurs de compromission",
"url": "https://www.huntress.com/blog/peerblight-linux-backdoor-exploits-react2shell"
},
{
"title": "Bulletin d\u0027actualit\u00e9 CERTFR-2025-ACT-053 du 04 d\u00e9cembre 2025",
"url": "https://cert.ssi.gouv.fr/actualite/CERTFR-2025-ACT-053/"
},
{
"title": "[1] Billet de Blogue de Wiz.io, analyse et indicateurs de compromission ",
"url": "https://www.wiz.io/blog/nextjs-cve-2025-55182-react2shell-deep-dive"
},
{
"title": "Compromission syst\u00e8me - Qualification",
"url": "https://www.cert.ssi.gouv.fr/fiche/CERTFR-2024-RFX-005/"
},
{
"title": "Compromission syst\u00e8me - Endiguement",
"url": "https://www.cert.ssi.gouv.fr/fiche/CERTFR-2024-RFX-006/"
}
],
"reference": "CERTFR-2025-ALE-014",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2025-12-05T00:00:00.000000"
},
{
"description": "Recherche de compromission, r\u00e9f\u00e9rences des fiches syst\u00e8me de qualification et endiguement",
"revision_date": "2025-12-11T00:00:00.000000"
},
{
"description": "connaissance d\u0027exploitations pour la vuln\u00e9rabilit\u00e9 CVE-2025-55182",
"revision_date": "2025-12-08T00:00:00.000000"
}
],
"risks": [
{
"description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
}
],
"summary": "**\u003cspan class=\"important-content\"\u003e[Mise \u00e0 jour du 11 d\u00e9cembre 2025]\u003c/span\u003e**\n\nLe CERT-FR a connaissance de multiples exploitations de la vuln\u00e9rabilit\u00e9 CVE-2025-55182. Les serveurs avec une version vuln\u00e9rable expos\u00e9s apr\u00e8s la publication des preuves de concept publiques du 5 d\u00e9cembre 2025 doivent \u00eatre consid\u00e9r\u00e9s comme compromis.\n\nCertains billets de blogues [1] [2] incluent des indicateurs de compromission. Ces indicateurs n\u0027ont pas \u00e9t\u00e9 qualifi\u00e9s par le CERT-FR.\n\n\n**[Mise \u00e0 jour du 08 d\u00e9cembre 2025]**\n\nLe CERT-FR a connaissance d\u0027exploitations pour la vuln\u00e9rabilit\u00e9 CVE-2025-55182.\n\n**[Publication initiale]**\n\nLe 3 d\u00e9cembre 2025, React a publi\u00e9 un avis de s\u00e9curit\u00e9 relatif \u00e0 la vuln\u00e9rabilit\u00e9 CVE-2025-55182 affectant React Server Components et qui permet \u00e0 un attaquant non authentifi\u00e9 de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance. L\u0027\u00e9diteur de Next.js a \u00e9galement publi\u00e9 un avis de s\u00e9curit\u00e9 faisant r\u00e9f\u00e9rence \u00e0 l\u0027identifiant CVE-2025-66478. Cet identifiant a \u00e9t\u00e9 rejet\u00e9 en raison du doublon avec l\u0027identifiant utilis\u00e9 par React. Cette faille de s\u00e9curit\u00e9 est \u00e9galement connue sous le nom de *React2Shell*. \n\nCette vuln\u00e9rabilit\u00e9 concerne plus pr\u00e9cis\u00e9ment les React Server Functions. M\u00eame si une application n\u0027utilise pas explicitement de telles fonctions, elle peut \u00eatre vuln\u00e9rable si elle supporte les React Server Components. En particulier, plusieurs cadriciels tels que Next.js impl\u00e9mentent de telles fonctions par d\u00e9faut. \n\nLes technologies React Server Components et React Server Functions sont relativement r\u00e9centes (la version 19 de React a \u00e9t\u00e9 publi\u00e9e fin 2024) et toutes les applications utilisant la technologie React ne sont ainsi pas n\u00e9cessairement affect\u00e9es. Veuillez vous r\u00e9f\u00e9rer \u00e0 la section syst\u00e8mes affect\u00e9s pour plus d\u0027informations.\n\nLe CERT-FR a connaissance de preuves de concept publiques pour cette vuln\u00e9rabilit\u00e9 et anticipe des exploitations en masse.\n\n*Note : Le CERT-FR a connaissance de la mise en place de r\u00e8gles de blocages de la vuln\u00e9rabilit\u00e9 au niveau de plusieurs pare-feu applicatifs web populaires. Bien que ces m\u00e9canismes puissent rendre l\u0027exploitation de la vuln\u00e9rabilit\u00e9 plus difficile, ils ne peuvent pas remplacer une mise \u00e0 jour vers une version corrective.* ",
"title": "[M\u00e0J] Vuln\u00e9rabilit\u00e9 dans React Server Components",
"vendor_advisories": [
{
"published_at": "2025-12-03",
"title": "Billet de blogue React relatif \u00e0 la vuln\u00e9rabilit\u00e9 CVE-2025-55182",
"url": "https://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-components"
},
{
"published_at": "2025-12-03",
"title": "Billet de blogue Vercel relatif \u00e0 la vuln\u00e9rabilit\u00e9 CVE-2025-55182",
"url": "https://vercel.com/changelog/cve-2025-55182"
},
{
"published_at": "2025-12-03",
"title": "Bulletin de s\u00e9curit\u00e9 Facebook CVE-2025-55182",
"url": "https://www.facebook.com/security/advisories/cve-2025-55182"
}
]
}