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-2026-50127 (GCVE-0-2026-50127)

Vulnerability from cvelistv5 – Published: 2026-06-10 19:56 – Updated: 2026-06-11 14:09
VLAI
Title
Weblate SSRF: outbound URL guard misses the NAT64 well-known prefix (64:ff9b::/96)
Summary
Weblate is a web based localization tool. From version 5.15 to before version 2026.6, Weblate's VCS_RESTRICT_PRIVATE did not properly account for some transitional IPv6 ranges, multicast addresses, or some semi-private IPv4 ranges, which allowed some addresses to bypass private range restrictions. This issue has been patched in version 2026.6.
Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/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
WeblateOrg weblate Affected: >= 5.15, < 2026.6
Create a notification for this product.
Show details on NVD website
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CVE-2026-50131 (GCVE-0-2026-50131)

Vulnerability from cvelistv5 – Published: 2026-06-10 20:27 – Updated: 2026-06-11 14:16
VLAI
Title
Fedify has an incomplete SSRF mitigation after GHSA-p9cg-vqcc-grcx: validatePublicUrl allows special-use IPv4 ranges
Summary
Fedify is a TypeScript library for building federated server apps powered by ActivityPub. Fedify previously addressed SSRF/internal network access in GHSA-p9cg-vqcc-grcx by adding public URL validation before runtime document and media fetching. However, the IPv4 validation logic present starting in version 0.11.2 and prior to versions 1.9.12, 1.10.11, 2.0.19, 2.1.15, and 2.2.4 appears incomplete. The `validatePublicUrl()` protection relies on `isValidPublicIPv4Address()` to reject non-public IPv4 destinations. The function blocks common private and local ranges such as `10.0.0.0/8`, `127.0.0.0/8`, `169.254.0.0/16`, `172.16.0.0/12`, and `192.168.0.0/16`, but it still treats several special-use, reserved, multicast, benchmarking, and carrier-grade NAT IPv4 ranges as valid public destinations. Because this validation is used as an SSRF defense before outbound fetches, this appears to be an incomplete mitigation or bypass class for the previous SSRF issue. Versions 1.9.12, 1.10.11, 2.0.19, 2.1.15, and 2.2.4 contain an updated patch.
Severity
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
  • CWE-1286 - Improper Validation of Syntactic Correctness of Input
  • CWE-1389 - Incorrect Parsing of Numbers with Different Radices
Assigner
References
Impacted products
Vendor Product Version
fedify-dev fedify Affected: >= 0.11.2, < 1.9.12
Affected: >= 1.10.0, < 1.10.11
Affected: >= 2.0.0, < 2.0.19
Affected: >= 2.1.0, < 2.1.15
Affected: >= 2.2.0, < 2.2.4
Create a notification for this product.
fedify-dev vocab-runtime Affected: < 2.0.19
Affected: >= 2.1.0, < 2.1.15
Affected: >= 2.2.0, < 2.2.4
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-5016 (GCVE-0-2026-5016)

Vulnerability from cvelistv5 – Published: 2026-03-28 21:45 – Updated: 2026-03-30 14:32
VLAI
Title
elecV2 elecV2P URL mock eAxios server-side request forgery
Summary
A vulnerability was identified in elecV2 elecV2P up to 3.8.3. This affects the function eAxios of the file /mock of the component URL Handler. Such manipulation of the argument req leads to server-side request forgery. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
7.3 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery
Assigner
References
URL Tags
https://vuldb.com/vuln/353901 vdb-entrytechnical-description
https://vuldb.com/vuln/353901/cti signaturepermissions-required
https://vuldb.com/submit/779181 third-party-advisory
https://github.com/elecV2/elecV2P/issues/202 exploitissue-tracking
https://github.com/elecV2/elecV2P/ product
Impacted products
Vendor Product Version
elecV2 elecV2P Affected: 3.8.0
Affected: 3.8.1
Affected: 3.8.2
Affected: 3.8.3
Create a notification for this product.
Credits
ZAST.AI (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-5052 (GCVE-0-2026-5052)

Vulnerability from cvelistv5 – Published: 2026-04-17 02:55 – Updated: 2026-04-17 17:57
VLAI
Title
Vault Vulnerable to Server-Side Request Forgery in ACME Challenge Validation via Attacker-Controlled DNS
Summary
Vault’s PKI engine’s ACME validation did not reject local targets when issuing http-01 and tls-alpn-01 challenges. This may lead to these requests being sent to local network targets, potentially leading to information disclosure. Fixed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0, 1.21.5, 1.20.10, and 1.19.16.
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
HashiCorp Vault Affected: 1.15.0 , < 2.0.0 (semver)
Create a notification for this product.
HashiCorp Vault Enterprise Affected: 1.15.0 , < 2.0.0 (semver)
Create a notification for this product.
Credits
This issue was independently identified and reported by Oleh Konko of 1seal, as well as Vipin Chaudhary.
Show details on NVD website
To clipboard 

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CVE-2026-50552 (GCVE-0-2026-50552)

Vulnerability from cvelistv5 – Published: 2026-06-12 18:51 – Updated: 2026-06-15 15:25
VLAI
Title
Koel: Server-Side Request Forgery (SSRF) in radio station creation due to missing validation bail
Summary
Koel is a free, open-source music streaming solution. Prior to version 9.7.1, Koel contains a Server-Side Request Forgery (SSRF) vulnerability in the radio station creation endpoint (POST /api/radio/stations). The url field validation rules are declared without the bail keyword, so the HasAudioContentType rule — which issues HTTP requests to the supplied URL — still executes even after the SafeUrl rule has rejected the URL as pointing to a private/reserved address. Any authenticated, non-admin user can therefore coerce the server into making HEAD/GET requests to arbitrary internal hosts. This issue has been patched in version 9.7.1.
Severity
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
SSVC
Exploitation: poc 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
koel koel Affected: < 9.7.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-5126 (GCVE-0-2026-5126)

Vulnerability from cvelistv5 – Published: 2026-03-30 18:00 – Updated: 2026-03-30 20:16 X_Freeware
VLAI
Title
SourceCodester RSS Feed Parser file_get_contents server-side request forgery
Summary
A flaw has been found in SourceCodester RSS Feed Parser 1.0. Affected by this issue is the function file_get_contents. This manipulation causes server-side request forgery. The attack is possible to be carried out remotely. The exploit has been published and may be used.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery
Assigner
References
URL Tags
https://vuldb.com/vuln/354158 vdb-entrytechnical-description
https://vuldb.com/vuln/354158/cti signaturepermissions-required
https://vuldb.com/submit/780180 third-party-advisory
https://medium.com/@hemantrajbhati5555/discoverin… broken-linkexploit
https://www.sourcecodester.com/ product
Impacted products
Credits
Hemant Raj Bhati (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-5131 (GCVE-0-2026-5131)

Vulnerability from cvelistv5 – Published: 2026-04-17 10:45 – Updated: 2026-04-17 11:45
VLAI
Title
Server-Side Request Forgery in GREENmod
Summary
GREENmod uses named pipes for communication between plugins, the web portal, and the system service, but the access control lists for these pipes are configured incorrectly. This allows an attacker to communicate with the stream and upload any XML or JSON file, which will be processed by the named pipe with the privileges of the user under whose context the service is running. This allows for Server-Side Request Forgery to any Windows system on which the agent is installed and which provides communication via SMB or WebDav. This issue was fixed in version 2.8.33.
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:L/SA:L
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
Nomios Poland GREENmod Affected: 0 , < 2.8.33 (semver)
Create a notification for this product.
Date Public
2026-04-17 12:24
Credits
Marcin Ressel
Show details on NVD website
To clipboard 

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CVE-2026-5205 (GCVE-0-2026-5205)

Vulnerability from cvelistv5 – Published: 2026-03-31 16:30 – Updated: 2026-04-03 16:35
VLAI
Title
chatwoot Webhook API trigger.rb Trigger server-side request forgery
Summary
A vulnerability was identified in chatwoot up to 4.11.2. Affected by this vulnerability is the function Webhooks::Trigger in the library lib/webhooks/trigger.rb of the component Webhook API. Such manipulation of the argument url leads to server-side request forgery. The attack can be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery
Assigner
References
URL Tags
https://vuldb.com/vuln/354333 vdb-entrytechnical-description
https://vuldb.com/vuln/354333/cti signaturepermissions-required
https://vuldb.com/submit/780305 third-party-advisory
Impacted products
Vendor Product Version
n/a chatwoot Affected: 4.11.0
Affected: 4.11.1
Affected: 4.11.2
Credits
Ghufran Khan (VulDB User) VulDB
Show details on NVD website
To clipboard 

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CVE-2026-5259 (GCVE-0-2026-5259)

Vulnerability from cvelistv5 – Published: 2026-04-01 07:30 – Updated: 2026-04-01 11:42
VLAI
Title
AutohomeCorp frostmourne Alarm Preview AlarmController.java server-side request forgery
Summary
A vulnerability was determined in AutohomeCorp frostmourne up to 1.0. The affected element is an unknown function of the file frostmourne-monitor/src/main/java/com/autohome/frostmourne/monitor/controller/AlarmController.java of the component Alarm Preview. Executing a manipulation can lead to server-side request forgery. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery
Assigner
References
Impacted products
Credits
xcxr (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-5323 (GCVE-0-2026-5323)

Vulnerability from cvelistv5 – Published: 2026-04-02 06:15 – Updated: 2026-04-03 19:49 X_Open Source
VLAI
Title
priyankark a11y-mcp index.js A11yServer server-side request forgery
Summary
A vulnerability was found in priyankark a11y-mcp up to 1.0.5. This vulnerability affects the function A11yServer of the file src/index.js. The manipulation results in server-side request forgery. The attack must be initiated from a local position. The exploit has been made public and could be used. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. Upgrading to version 1.0.6 is able to resolve this issue. The patch is identified as e3e11c9e8482bd06b82fd9fced67be4856f0dffc. It is recommended to upgrade the affected component. The vendor acknowledged the issue but provides additional context for the CVSS rating: "a11y-mcp is a local stdio MCP server - it has no HTTP endpoint and is not network-accessible. The caller is always the local user or an LLM acting on their behalf with user approval."
Severity
4.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
5.3 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
5.3 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery
Assigner
References
Impacted products
Vendor Product Version
priyankark a11y-mcp Affected: 1.0.0
Affected: 1.0.1
Affected: 1.0.2
Affected: 1.0.3
Affected: 1.0.4
Affected: 1.0.5
Unaffected: 1.0.6
Create a notification for this product.
Credits
BigW (VulDB User)
Show details on NVD website
To clipboard 

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          ],
          "url": "https://github.com/wing3e/public_exp/issues/17"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/priyankark/a11y-mcp/commit/e3e11c9e8482bd06b82fd9fced67be4856f0dffc"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/priyankark/a11y-mcp/"
        }
      ],
      "tags": [
        "x_open-source"
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-04-01T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-04-01T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-04-01T15:18:10.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "priyankark a11y-mcp index.js A11yServer server-side request forgery"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-5323",
    "datePublished": "2026-04-02T06:15:19.452Z",
    "dateReserved": "2026-04-01T13:12:31.763Z",
    "dateUpdated": "2026-04-03T19:49:47.757Z",
    "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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