CWE-918

Server-Side Request Forgery (SSRF)

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.

CVE-2026-32110 (GCVE-0-2026-32110)

Vulnerability from cvelistv5 – Published: 2026-03-11 20:38 – Updated: 2026-03-12 14:01
VLAI
Title
SiYuan has a Full-Read SSRF via /api/network/forwardProxy
Summary
SiYuan is a personal knowledge management system. Prior to 3.6.0, the /api/network/forwardProxy endpoint allows authenticated users to make arbitrary HTTP requests from the server. The endpoint accepts a user-controlled URL and makes HTTP requests to it, returning the full response body and headers. There is no URL validation to prevent requests to internal networks, localhost, or cloud metadata services. This vulnerability is fixed in 3.6.0.
Severity
8.3 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
siyuan-note siyuan Affected: < 3.6.0
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CVE-2026-32111 (GCVE-0-2026-32111)

Vulnerability from cvelistv5 – Published: 2026-03-11 20:41 – Updated: 2026-03-12 14:03
VLAI
Title
ha-mcp OAuth 2.1 DCR mode enables network reconnaissance via an error oracle
Summary
ha-mcp is a Home Assistant MCP Server. Prior to 7.0.0, the ha-mcp OAuth consent form (beta feature) accepts a user-supplied ha_url and makes a server-side HTTP request to {ha_url}/api/config with no URL validation. An unauthenticated attacker can submit arbitrary URLs to perform internal network reconnaissance via an error oracle. Two additional code paths in OAuth tool calls (REST and WebSocket) are affected by the same primitive. The primary deployment method (private URL with pre-configured HOMEASSISTANT_TOKEN) is not affected. This vulnerability is fixed in 7.0.0.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
homeassistant-ai ha-mcp Affected: < 7.0.0
Create a notification for this product.
Show details on NVD website
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CVE-2026-32133 (GCVE-0-2026-32133)

Vulnerability from cvelistv5 – Published: 2026-03-11 21:45 – Updated: 2026-03-12 16:17
VLAI
Title
2FAuth has Blind SSRF in image parameter allows internal network access and more
Summary
2FAuth is a web app to manage Two-Factor Authentication (2FA) accounts and generate their security codes. Prior to 6.1.0, a blind SSRF vulnerability exists in 2FAuth that allows authenticated users to make arbitrary HTTP requests from the server to internal networks and cloud metadata endpoints. The image parameter in OTP URL is not properly validated for internal / private IP addresses before making HTTP requests. While the previous fix added response validation to ensure only valid images are stored but HTTP request is still made to arbitrary URLs before this validation occurs. This vulnerability is fixed in 6.1.0.
Severity
7.8 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
Bubka 2FAuth Affected: < 6.1.0
Create a notification for this product.
Show details on NVD website
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CVE-2026-3216 (GCVE-0-2026-3216)

Vulnerability from cvelistv5 – Published: 2026-03-25 15:24 – Updated: 2026-03-27 13:58
VLAI
Title
Drupal Canvas - Moderately critical - Server-side request forgery, Information disclosure - SA-CONTRIB-2026-017
Summary
Server-Side Request Forgery (SSRF) vulnerability in Drupal Drupal Canvas allows Server Side Request Forgery.This issue affects Drupal Canvas: from 0.0.0 before 1.1.1.
Severity
5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
Drupal Drupal Canvas Affected: 0.0.0 , < 1.1.1 (semver)
Create a notification for this product.
Date Public
2026-02-25 18:51
Credits
Drew Webber (mcdruid) Bálint Kléri (balintbrews) Ignacio Sánchez Holgueras (isholgueras) Drew Webber (mcdruid) Narendra Singh Rathore (narendrar) Christian López Espínola (penyaskito) Tim Plunkett (tim.plunkett) Greg Knaddison (greggles) Drew Webber (mcdruid) Juraj Nemec (poker10) Jess (xjm)
Show details on NVD website
To clipboard 

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CVE-2026-32169 (GCVE-0-2026-32169)

Vulnerability from cvelistv5 – Published: 2026-03-19 21:06 – Updated: 2026-04-14 16:36 Exclusively Hosted Service
VLAI
Title
Azure Cloud Shell Elevation of Privilege Vulnerability
Summary
Server-side request forgery (ssrf) in Azure Cloud Shell allows an unauthorized attacker to elevate privileges over a network.
Severity
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Date Public
2026-03-19 14:00
Show details on NVD website
To clipboard 

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CVE-2026-32186 (GCVE-0-2026-32186)

Vulnerability from cvelistv5 – Published: 2026-04-03 17:22 – Updated: 2026-06-01 19:12 Exclusively Hosted Service
VLAI
Title
Microsoft Bing Elevation of Privilege Vulnerability
Summary
Server-side request forgery (ssrf) in Microsoft Bing allows an unauthorized attacker to elevate privileges over a network.
Severity
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Date Public
2026-04-02 14:00
Show details on NVD website
To clipboard 

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CVE-2026-32210 (GCVE-0-2026-32210)

Vulnerability from cvelistv5 – Published: 2026-04-23 21:35 – Updated: 2026-06-01 19:11 Exclusively Hosted Service
VLAI
Title
Microsoft Dynamics 365 (online) Spoofing Vulnerability
Summary
Server-side request forgery (ssrf) in Microsoft Dynamics 365 (Online) allows an unauthorized attacker to perform spoofing over a network.
Severity
9.3 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Date Public
2026-04-23 14:00
Show details on NVD website
To clipboard 

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CVE-2026-32236 (GCVE-0-2026-32236)

Vulnerability from cvelistv5 – Published: 2026-03-12 18:37 – Updated: 2026-04-15 20:46
VLAI
Title
@backstage/plugin-auth-backend: SSRF in experimental CIMD metadata fetch
Summary
Backstage is an open framework for building developer portals. Prior to 0.27.1, a Server-Side Request Forgery (SSRF) vulnerability exists in @backstage/plugin-auth-backend when auth.experimentalClientIdMetadataDocuments.enabled is set to true. The CIMD metadata fetch validates the initial client_id hostname against private IP ranges but does not apply the same validation after HTTP redirects. The practical impact is limited. The attacker cannot read the response body from the internal request, cannot control request headers or method, and the feature must be explicitly enabled via an experimental flag that is off by default. Deployments that restrict allowedClientIdPatterns to specific trusted domains are not affected. Patched in @backstage/plugin-auth-backend version 0.27.1.
Severity
1.7 (Low)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-32255 (GCVE-0-2026-32255)

Vulnerability from cvelistv5 – Published: 2026-03-18 23:11 – Updated: 2026-03-19 16:11
VLAI
Title
Kan is Vulnerable to Unauthenticated SSRF via Attachment Download Endpoint
Summary
Kan is an open-source project management tool. In versions 0.5.4 and below, the /api/download/attatchment endpoint has no authentication and no URL validation. The Attachment Download endpoint accepts a user-supplied URL query parameter and passes it directly to fetch() server-side, and returns the full response body. An unauthenticated attacker can use this to make HTTP requests from the server to internal services, cloud metadata endpoints, or private network resources. This issue has been fixed in version 0.5.5. To workaround this issue, block or restrict access to /api/download/attatchment at the reverse proxy level (nginx, Cloudflare, etc.).
Severity
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
kanbn kan Affected: < 0.5.5
Create a notification for this product.
Show details on NVD website
To clipboard 

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          "url": "https://github.com/kanbn/kan/security/advisories/GHSA-qrx8-9hc6-jvqg"
        },
        {
          "name": "https://github.com/kanbn/kan/commit/53397d8e81dc1494d94132848c1f0416f1152bd7",
          "tags": [
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          "url": "https://github.com/kanbn/kan/commit/53397d8e81dc1494d94132848c1f0416f1152bd7"
        },
        {
          "name": "https://github.com/kanbn/kan/releases/tag/v0.5.5",
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        "advisory": "GHSA-qrx8-9hc6-jvqg",
        "discovery": "UNKNOWN"
      },
      "title": "Kan is Vulnerable to Unauthenticated SSRF via Attachment Download Endpoint"
    }
  },
  "cveMetadata": {
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    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-32255",
    "datePublished": "2026-03-18T23:11:36.892Z",
    "dateReserved": "2026-03-11T15:05:48.396Z",
    "dateUpdated": "2026-03-19T16:11:00.489Z",
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CVE-2026-32279 (GCVE-0-2026-32279)

Vulnerability from cvelistv5 – Published: 2026-03-23 21:36 – Updated: 2026-03-24 13:40
VLAI
Title
Connect CMS has SSRF in the External Page Migration Feature of its Page Management Plugin
Summary
Connect-CMS is a content management system. In versions on the 1.x series up to and including 1.41.0 and versions on the 2.x series up to and including 2.41.0, a Server-Side Request Forgery (SSRF) issue exists in the external page migration feature of the Page Management Plugin. Versions 1.41.1 and 2.41.1 contain a patch.
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 (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
opensource-workshop connect-cms Affected: < 1.41.1
Affected: >= 2.0.0, < 2.41.1
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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