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Common Weakness Enumeration

CWE-918

Allowed

Server-Side Request Forgery (SSRF)

Abstraction: Base · Status: Incomplete

API response cwe.mitre.org

The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

5531 vulnerabilities reference this CWE, most recent first.

CVE-2026-46404 (GCVE-0-2026-46404)

Vulnerability from cvelistv5 – Published: 2026-07-16 18:04 – Updated: 2026-07-17 18:06
VLAI
Title
BigBlueButton: Presentation URL Security Hardening
Summary
BigBlueButton is an open-source virtual classroom. Prior to 3.0.23, the presentation URL validation did not properly restrict access to site local and link local addresses. The redirect following logic now pins resolved IPs. This issue is fixed in version 3.0.23.
Severity
6.8 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-17 17:16 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-46393 (GCVE-0-2026-46393)

Vulnerability from cvelistv5 – Published: 2026-06-05 18:24 – Updated: 2026-06-08 16:08
VLAI
Title
HAXcms createSite SSRF Enables Arbitrary File Read
Summary
HAX CMS helps manage microsite universe with PHP or NodeJs backends. An authenticated Server-Side Request Forgery (SSRF) vulnerability in versions prior to 26.0.0 allows authenticated users to fetch arbitrary internal or local resources and write the responses to a web-accessible directory, enabling arbitrary file read and internal network access. Version 26.0.0 contains a fix.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-08 16:08 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-46391 (GCVE-0-2026-46391)

Vulnerability from cvelistv5 – Published: 2026-06-05 18:18 – Updated: 2026-06-08 16:18
VLAI
Title
HAX open-apis: Credential Theft via Server-Side Request Forgery (SSRF) in open-apis
Summary
HAX CMS helps manage microsite universe with PHP or NodeJs backends. Starting in version 9.0.1 and prior to version 26.0.0 of @haxtheweb/open-apis, multiple functions conduct substring-only matching to validate hostnames to which basic authorization should be sent. An attacker can append the matched substrings to an attacker-controlled endpoint and capture authentication. Version 26.0.0 fixes the issue.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-08 16:18 UTC
CWE
  • CWE-183 - Permissive List of Allowed Inputs
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
haxtheweb @haxtheweb/open-apis Affected: >= 9.0.1, < 26.0.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-46382 (GCVE-0-2026-46382)

Vulnerability from cvelistv5 – Published: 2026-08-12 23:39 – Updated: 2026-08-13 17:53
VLAI
Title
Meeting Room Booking System has server-side request forgery in import functionality
Summary
The Meeting Room Booking System (MRBS) is a PHP-based application for booking meeting rooms. Prior to version 1.12.2, a user-supplied private/local URI can be made to be fetched without checks. Version 1.12.2 contains a fix. No known workarounds are available.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 17:49 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-46380 (GCVE-0-2026-46380)

Vulnerability from cvelistv5 – Published: 2026-08-14 16:10 – Updated: 2026-08-17 19:38
VLAI
Title
compliance-trestle Vulnerable to SSRF in Remote Fetching Subsystem
Summary
compliance-trestle is a tooling platform for managing compliance as code. Prior to versions 3.12.2 and 4.0.3, the HTTPSFetcher._do_fetch() method passes a user-supplied URL directly to requests.get() without validation. This allows an attacker to perform Server-Side Request Forgery, targeting internal services or cloud metadata endpoints. Versions 3.12.2 and 4.0.3 fix the issue.
Severity
6.7 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 19:38 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
oscal-compass compliance-trestle Affected: >= 4.0.0, < 4.0.3
Affected: < 3.12.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-46372 (GCVE-0-2026-46372)

Vulnerability from cvelistv5 – Published: 2026-05-29 17:41 – Updated: 2026-05-29 19:44
VLAI
Title
SillyTavern: SSRF in SearXNG Search Proxy via Unvalidated baseUrl
Summary
SillyTavern is a locally installed user interface that allows users to interact with text generation large language models, image generation engines, and text-to-speech voice models. Prior to 1.18.0, SillyTavern exposes /api/search/searxng, which accepts attacker-controlled baseUrl and uses it directly to build outbound server-side fetches. An authenticated low-privilege user can point baseUrl at an internal or loopback HTTP service and receive the /search response body. This vulnerability is fixed in 1.18.0.
Severity
8.5 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-29 19:43 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
SillyTavern SillyTavern Affected: < 1.18.0
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CVE-2026-46348 (GCVE-0-2026-46348)

Vulnerability from cvelistv5 – Published: 2026-06-24 19:39 – Updated: 2026-06-25 17:11
VLAI
Title
Mastodon: SSRF Bypass via IPv6 Unspecified Address (::)
Summary
Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, the list of disallowed IP address ranges was lacking an IP address range that can be used to reach local IP addresses. An attacker can use an IP address in the affected range to make Mastodon perform HTTP requests against loopback interfaces, potentially allowing access to otherwise private resources and services. This vulnerability is fixed in 4.5.10, 4.4.17, and 4.3.23.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 17:11 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
mastodon mastodon Affected: >= 4.5.0-beta.1, < 4.5.10
Create a notification for this product.
Show details on NVD website
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CVE-2026-45806 (GCVE-0-2026-45806)

Vulnerability from cvelistv5 – Published: 2026-07-15 15:05 – Updated: 2026-07-20 14:53
VLAI
Title
Penpot: Authenticated SSRF in remote image import via create-file-media-object-from-url
Summary
Penpot is an open-source design tool for design and code collaboration. Prior to 2.15.0, Penpot's remote image import passed the user-controlled url from frontend/src/app/main/data/workspace/media.cljs into the backend RPC method :create-file-media-object-from-url in backend/src/app/rpc/commands/media.clj, where media/download-image in backend/src/app/media.clj used the shared HTTP client without destination filtering, allowing an authenticated file editor to reach internal-only endpoints. This issue is fixed in version 2.15.0.
Severity
7.7 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-20 14:53 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
penpot penpot Affected: < 2.15.0
Create a notification for this product.
Show details on NVD website
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CVE-2026-45796 (GCVE-0-2026-45796)

Vulnerability from cvelistv5 – Published: 2026-07-07 21:03 – Updated: 2026-07-08 13:53
VLAI
Title
Coder vulnerable to unauthenticated SSRF via Azure Instance Identity Endpoint
Summary
Coder allows organizations to provision remote development environments via Terraform. Versions prior tp 2.24.5, 2.29.13, 2.30.8, 2.31.12, 2.32.2, and 2.33.3 are vulnerable to unauthenticated semi-blind Server-Side Request Forgery (SSRF) via the Azure instance identity endpoint (`POST /api/v2/workspaceagents/azure-instance-identity`). An external attacker can force the Coder server to issue HTTP GET requests to arbitrary internal or external hosts by submitting a crafted PKCS#7 signature. The server does not return the target's response body, but error messages in the API response reveal whether the target is reachable and what type of failure occurred. Versions 2.24.5, 2.29.13, 2.30.8, 2.31.12, 2.32.2, and 2.33.3 patch the issue. As a workaround, if the Azure identity-auth mechanism is not being used then restrict access to the corresponding endpoint (`/api/v2/workspaceagents/azure-instance-identity`) using ingress firewall and/or proxy ACLs.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-08 13:53 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
coder coder Affected: >= 2.33.0-rc.0, < 2.33.3
Affected: >= 2.32.0-rc.0, < 2.32.2
Affected: >= 2.31.0, < 2.31.12
Affected: >= 2.30.0, < 2.30.8
Affected: >= 2.29.0, < 2.29.13
Affected: < 2.24.5
Create a notification for this product.
Show details on NVD website
To clipboard 

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          "name": "https://github.com/coder/coder/releases/tag/v2.30.8",
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        {
          "name": "https://github.com/coder/coder/releases/tag/v2.32.2",
          "tags": [
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          "url": "https://github.com/coder/coder/releases/tag/v2.32.2"
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        {
          "name": "https://github.com/coder/coder/releases/tag/v2.33.3",
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      "title": "Coder vulnerable to unauthenticated SSRF via Azure Instance Identity Endpoint"
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    "datePublished": "2026-07-07T21:03:11.066Z",
    "dateReserved": "2026-05-13T08:19:32.603Z",
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CVE-2026-45741 (GCVE-0-2026-45741)

Vulnerability from cvelistv5 – Published: 2026-08-19 14:32 – Updated: 2026-08-19 18:41
VLAI
Title
Gotenberg: SSRF deny-list bypass in IsPublicIP via IPv6 6to4 / NAT64 / site-local prefixes
Summary
Gotenberg is a Docker-powered stateless API for PDF files. In 8.32.0 and earlier, the IsPublicIP function in pkg/gotenberg/outbound.go does not reject the 2002::/16 6to4 prefix, the 64:ff9b::/96 and 64:ff9b:1::/48 NAT64 prefixes, the fec0::/10 deprecated site-local prefix, Teredo, and other transition prefixes that can embed or route to non-public IPv4 destinations. The addr.Unmap operation only handles IPv4-mapped IPv6 addresses, so a crafted DNS AAAA record can cause the outbound HTTP client to treat an address wrapping an internal destination such as 169.254.169.254 as public. An unauthenticated attacker can use a conversion route with WithDenyPrivateIPs enabled to reach cloud metadata services, and the Chromium URL conversion route can return the internal response as a PDF, potentially exposing cloud credentials. Exploitation requires a deployment whose host routes the relevant IPv6 prefix, such as a dual-stack or NAT64-enabled environment. This issue is fixed in version 8.33.0.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-19 18:41 UTC
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
gotenberg gotenberg Affected: < 8.33.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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No mitigation information available for this CWE.

CAPEC-664: Server Side Request Forgery

An adversary exploits improper input validation by submitting maliciously crafted input to a target application running on a server, with the goal of forcing the server to make a request either to itself, to web services running in the server’s internal network, or to external third parties. If successful, the adversary’s request will be made with the server’s privilege level, bypassing its authentication controls. This ultimately allows the adversary to access sensitive data, execute commands on the server’s network, and make external requests with the stolen identity of the server. Server Side Request Forgery attacks differ from Cross Site Request Forgery attacks in that they target the server itself, whereas CSRF attacks exploit an insecure user authentication mechanism to perform unauthorized actions on the user's behalf.

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