What is CVE-2026-27567?

CVE-2026-27567 is a medium-severity vulnerability in Payloadcms Payload, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2026-02-24.

How severe is CVE-2026-27567?

Medium severity. CVSS v3 base score is 6.5 out of 10.

SSRF in Payloadcms Payload

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 upload…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.000 (1.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.

Affected products

Payloadcms Payload — versions < 3.75.0

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

https://github.com/payloadcms/payload/security/advisories/GHSA-hhfx-5x8j-f5f6 (x_refsource_CONFIRM)
https://github.com/payloadcms/payload/commit/1041bb6 (x_refsource_MISC)
https://github.com/payloadcms/payload/releases/tag/v3.75.0 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-27567?: CVE-2026-27567 is a medium-severity vulnerability in Payloadcms Payload, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2026-02-24.
How severe is CVE-2026-27567?: Medium severity. CVSS v3 base score is 6.5 out of 10.