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.

5477 vulnerabilities reference this CWE, most recent first.

CVE-2026-63306 (GCVE-0-2026-63306)

Vulnerability from cvelistv5 – Published: 2026-07-16 12:19 – Updated: 2026-07-16 13:17
VLAI
Title
stoatchat before 0.13.5 Unauthenticated SSRF via proxy and embed endpoints
Summary
stoatchat before 0.13.5 contains an unauthenticated server-side request forgery vulnerability in the /proxy and /embed endpoints that accept arbitrary URLs without DNS resolution filtering or private IP range validation. Attackers can enumerate internal services, fingerprint applications, and reach instance metadata endpoints by supplying malicious URLs or leveraging redirect chains to access internal infrastructure.
Severity
9.2 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-16 13:17 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
stoatchat stoatchat Affected: 0 , < 0.13.5 (semver)
Unaffected: 0.13.5 (semver)
Create a notification for this product.
Date Public
2026-05-17 00:00
Credits
AzureADTrent
Show details on NVD website
To clipboard 

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CVE-2026-63107 (GCVE-0-2026-63107)

Vulnerability from cvelistv5 – Published: 2026-07-20 18:14 – Updated: 2026-07-28 01:05 X_Open Source
VLAI
Title
LimeSurvey SSRF via REST API Survey Template Host Header
Summary
LimeSurvey through 6.17.10 and 7.0.4 contains a server-side request forgery vulnerability in the REST API survey template endpoint that allows authenticated users to cause the server to issue arbitrary HTTP requests by supplying a manipulated Host header. Attackers can exploit the unsanitized use of the HTTP Host header in the getTemplateData() function to reach internal network services, cloud metadata endpoints, and extract sensitive credentials such as IAM tokens from instance metadata services.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N
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 2026-07-23 18:51 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
LimeSurvey LimeSurvey Affected: 0 , ≤ 6.17.10 (semver)
Affected: 0 , ≤ 7.0.4 (semver)
    cpe:2.3:a:limesurvey:limesurvey:*:*:*:*:*:*:*:*
    cpe:2.3:a:limesurvey:limesurvey:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-06-30 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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CVE-2026-63096 (GCVE-0-2026-63096)

Vulnerability from cvelistv5 – Published: 2026-07-17 15:30 – Updated: 2026-07-28 01:50 X_Open Source Unsupported When Assigned
VLAI
Title
Dendrite 0.13.8 SSRF via Unauthenticated Legacy Media Download Endpoint
Summary
Dendrite through 0.13.8 contains a server-side request forgery vulnerability that allows unauthenticated attackers to cause the server to open outbound TLS connections to arbitrary hosts and ports by supplying an unvalidated serverName parameter to the legacy media download endpoint. Attackers can exploit distinguishable error response classes and leaked internal IP addresses in error messages to perform blind port scanning and enumerate internal network topology.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N
5.8 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-17 17:26 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
matrix-org dendrite Affected: 0 , ≤ 0.13.8 (semver)
    cpe:2.3:a:matrix:dendrite:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-16 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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CVE-2026-63088 (GCVE-0-2026-63088)

Vulnerability from cvelistv5 – Published: 2026-07-16 16:40 – Updated: 2026-07-16 18:00 X_Open Source
VLAI
Title
stoatchat < 0.14.0 SSRF via DNS-based IP Blocklist Bypass
Summary
stoatchat before 0.14.0 contains a server-side request forgery (SSRF) vulnerability that allows unauthenticated network-accessible attackers to bypass the DNS-based IP blocklist by exploiting incomplete address validation in the url_is_blacklisted function, which inspects only the first resolved address while the underlying HTTP client iterates all cached addresses.
Severity
7.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-16 18:00 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
stoatchat stoatchat Affected: 0 , < 0.14.0 (semver)
Create a notification for this product.
Date Public
2026-07-13 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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CVE-2026-63086 (GCVE-0-2026-63086)

Vulnerability from cvelistv5 – Published: 2026-07-16 15:59 – Updated: 2026-07-16 17:41 X_Open Source Unsupported When Assigned
VLAI
Title
text-generation-inference 3.3.7 SSRF via fetch_image in multimodal chat completions
Summary
text-generation-inference through 3.3.7 contains a server-side request forgery (SSRF) vulnerability in the OpenAI-compatible multimodal chat completions endpoint that allows unauthenticated network attackers to coerce the server into issuing arbitrary HTTP GET requests by supplying a crafted image_url value in chat message content. The fetch_image function in router/src/validation.rs performs no validation of private, loopback, link-local, or cloud metadata target addresses, and the reqwest HTTP client follows redirects by default, enabling attackers to bypass scheme checks via redirect chains to reach internal services and cloud instance-metadata endpoints for internal port scanning and credential theft.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-16 17:35 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
huggingface text-generation-inference Affected: 0 , ≤ 3.3.7 (semver)
Create a notification for this product.
Date Public
2026-07-15 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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CVE-2026-63044 (GCVE-0-2026-63044)

Vulnerability from cvelistv5 – Published: 2026-08-20 15:57 – Updated: 2026-08-21 18:57
VLAI
Title
Apache InLong: Authenticated SSRF via POST /api/node/testConnection
Summary
Server-Side Request Forgery (SSRF) vulnerability in Apache InLong.  Any authenticated user (no admin role required) can cause the InLong Manager server to make outbound HTTP requests or TCP connections to arbitrary internal hosts and ports. This issue affects Apache InLong: from 2.0.0 before 2.4.0. Users are advised to upgrade to Apache InLong's 2.4.0 or cherry-pick [1] to solve it. [1]  https://github.com/apache/inlong/pull/12130 .
Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-21 18:57 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache InLong Affected: 2.0.0 , < 2.4.0 (semver)
Create a notification for this product.
Credits
Geo
Show details on NVD website
To clipboard 

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CVE-2026-63004 (GCVE-0-2026-63004)

Vulnerability from cvelistv5 – Published: 2026-08-21 18:05 – Updated: 2026-08-21 19:22
VLAI
Title
Unleash: Addon webhook URL is dialed server-side with no internal-address filtering, enabling SSRF to internal services / cloud metadata and exfiltration of configured request headers
Summary
Unleash is an open-source feature management platform. Prior to 7.5.2, 7.6.5, and 8.0.2, the addon and integration subsystem passes the operator-controlled parameters.url value from src/lib/addons/webhook.ts and the Slack, Microsoft Teams, Datadog, and New Relic integrations to Addon.fetchRetry in src/lib/addons/addon.ts without restricting loopback, link-local, private, or cloud metadata addresses. An authenticated actor with the root CREATE_ADDON or UPDATE_ADDON permission can cause the server to send requests from inside its network boundary, use integration event status as a blind probing oracle, forward Authorization, customHeaders, or DD-API-KEY values to an attacker-observed host, and deliver the feature-event JSON body to internal services. This issue is fixed in versions 7.5.2, 7.6.5, and 8.0.2.
Severity
5.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-21 19:22 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
Unleash unleash Affected: < 7.5.2
Affected: >= 7.6.0, < 7.6.5
Affected: >= 8.0.0, < 8.0.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-62993 (GCVE-0-2026-62993)

Vulnerability from cvelistv5 – Published: 2026-08-31 20:58 – Updated: 2026-08-31 20:58
VLAI
Title
Smarty: SSRF via redirect bypass of trusted_uri using {fetch}
Summary
Smarty is a template engine for PHP, facilitating the separation of presentation (HTML/CSS) from application logic. Prior to 4.5.7 and 5.8.2, depending on the release line, Smarty's {fetch} handling in libs/plugins/function.fetch.php and src/FunctionHandler/Fetch.php used Security::isTrustedUri() to validate only the initial remote URL against trusted_uri when a security policy was active. For resources handled by file_get_contents(), including HTTPS URLs, PHP followed HTTP redirects by default. An attacker who could supply or influence a fetch target and had an open redirect on a trusted host could redirect the request to an attacker-chosen internal endpoint, bypass the trusted_uri allowlist, and perform server-side request forgery. This issue is fixed in versions 4.5.7 and 5.8.2.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
smarty-php smarty Affected: >= 5.0.0, < 5.8.2
Affected: < 4.5.7
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-62902 (GCVE-0-2026-62902)

Vulnerability from cvelistv5 – Published: 2026-08-11 17:04 – Updated: 2026-08-31 20:05
VLAI
Title
.NET Information Disclosure Vulnerability
Summary
Inclusion of functionality from untrusted control sphere in .NET allows an unauthorized attacker to disclose information over a network.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-12 13:29 UTC
CWE
  • CWE-829 - Inclusion of Functionality from Untrusted Control Sphere
  • CWE-693 - Protection Mechanism Failure
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Date Public
2026-08-11 14:00
Show details on NVD website
To clipboard 

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CVE-2026-62857 (GCVE-0-2026-62857)

Vulnerability from cvelistv5 – Published: 2026-08-06 21:04 – Updated: 2026-08-08 02:40
VLAI
Title
Fedify: Server-Side Request Forgery in getNodeInfo() Allows Access to Internal Network Resources
Summary
Fedify is a TypeScript library for building federated server apps powered by ActivityPub. From version 1.2.0 through the affected 1.9, 1.10, 2.0, 2.1, 2.2, and 2.3 maintenance lines, getNodeInfo() follows an attacker-controlled links[].href value from /.well-known/nodeinfo without scheme, redirect, or private-address validation, allowing requests to loopback, link-local, cloud metadata, and private-network services and returning their response bodies. This issue is fixed in versions 1.9.13, 1.10.12, 2.0.22, 2.1.18, 2.2.7, and 2.3.2.
Severity
8.8 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-08 02:39 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
fedify-dev fedify Affected: >= 1.2.0, < 1.9.13
Affected: >= 1.10.0, < 1.10.12
Affected: >= 2.0.0, < 2.0.22
Affected: >= 2.1.0, < 2.1.18
Affected: >= 2.2.0, < 2.2.7
Affected: >= 2.3.0, < 2.3.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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        {
          "lang": "en",
          "value": "Fedify is a TypeScript library for building federated server apps powered by ActivityPub. From version 1.2.0 through the affected 1.9, 1.10, 2.0, 2.1, 2.2, and 2.3 maintenance lines, getNodeInfo() follows an attacker-controlled links[].href value from /.well-known/nodeinfo without scheme, redirect, or private-address validation, allowing requests to loopback, link-local, cloud metadata, and private-network services and returning their response bodies. This issue is fixed in versions 1.9.13, 1.10.12, 2.0.22, 2.1.18, 2.2.7, and 2.3.2."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "NONE"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-918",
              "description": "CWE-918: Server-Side Request Forgery (SSRF)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-06T21:04:23.341Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/fedify-dev/fedify/security/advisories/GHSA-hqph-j65v-8cq5",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/fedify-dev/fedify/security/advisories/GHSA-hqph-j65v-8cq5"
        },
        {
          "name": "https://github.com/fedify-dev/fedify/releases/tag/2.3.2",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/fedify-dev/fedify/releases/tag/2.3.2"
        }
      ],
      "source": {
        "advisory": "GHSA-hqph-j65v-8cq5",
        "discovery": "UNKNOWN"
      },
      "title": "Fedify: Server-Side Request Forgery in getNodeInfo() Allows Access to Internal Network Resources"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-62857",
    "datePublished": "2026-08-06T21:04:23.341Z",
    "dateReserved": "2026-07-14T21:10:50.032Z",
    "dateUpdated": "2026-08-08T02:40:28.655Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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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