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CVE-2026-27567

Payload is a free and open source headless content management system. Prior to 3.75.0, a Server-Side Request Forgery (SSRF) vulnerability exists in Payload's external file upload functionality. When processing external URLs for file uploads, insufficient validation of HTTP redirects could allow an authenticated attacker to access internal network resources. The Payload environment must have at least one collection with `upload` enabled and a user who has `create` access to that upload-enabled co
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:eb26c770fee2eb83626c5cef8576de89a46485d050a7fa8b38e9cd0b0ade7526
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"payload","vendor":"payloadcms","versions":[{"status":"affected","version":"< 3.75.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d830903db992ecefc17f6d96e9f105afe9f1d9425e829d968a8c008a8957d863 · sha256:d708e96f7362c837… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d830903db992ecefc17f6d96e9f105afe9f1d9425e829d968a8c008a8957d863 · sha256:d708e96f7362c837… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-918","description":"CWE-918: Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d830903db992ecefc17f6d96e9f105afe9f1d9425e829d968a8c008a8957d863 · sha256:d708e96f7362c837… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/payloadcms/payload/commit/1041bb6","tags":["x_refsource_MISC"],"url":"https://github.com/payloadcms/payload/commit/1041bb6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d830903db992ecefc17f6d96e9f105afe9f1d9425e829d968a8c008a8957d863 · sha256:d708e96f7362c837… · /containers/cna/references/1
{"name":"https://github.com/payloadcms/payload/releases/tag/v3.75.0","tags":["x_refsource_MISC"],"url":"https://github.com/payloadcms/payload/releases/tag/v3.75.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d830903db992ecefc17f6d96e9f105afe9f1d9425e829d968a8c008a8957d863 · sha256:d708e96f7362c837… · /containers/cna/references/2
{"name":"https://github.com/payloadcms/payload/security/advisories/GHSA-hhfx-5x8j-f5f6","tags":["x_refsource_CONFIRM"],"url":"https://github.com/payloadcms/payload/security/advisories/GHSA-hhfx-5x8j-f5f6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d830903db992ecefc17f6d96e9f105afe9f1d9425e829d968a8c008a8957d863 · sha256:d708e96f7362c837… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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