GHSA-2g7p-5934-q4w7

Payload: ReDoS in Multipart Content-Type Validation

At a glance

Published: 2026-10-06 16:18 UTC
Updated: 2026-10-06 16:30 UTC
CVE: CVE-2026-105854
CVSS_V4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Description

## Impact A malformed multipart request body could take an extremely long time to finish. ## Patches Users should upgrade Payload packages to `>= 3.90.0` or `>= 4.0.0-canary.34`.

Affected packages

Package	Versions
npm · payload	introduced 3.0.0, fixed 3.90.0
npm · payload	introduced 4.0.0-canary.0, fixed 4.0.0-canary.34

References

https://github.com/payloadcms/payload/security/advisories/GHSA-2g7p-5934-q4w7 WEB
https://github.com/payloadcms/payload/commit/0084bd51fb7742b26a88431bb84cb1696857e6dc WEB
https://github.com/payloadcms/payload PACKAGE
https://github.com/payloadcms/payload/releases/tag/v3.90.0 WEB

Sources

Source	Licence
OSV.dev	CC-BY 4.0 — GitHub Advisory Database