CVE-2026-105854: Payload: ReDoS in Multipart Content-Type Validation

October 6, 2026

A malformed multipart request body could take an extremely long time to finish.

References

github.com/advisories/GHSA-2g7p-5934-q4w7
github.com/payloadcms/payload/commit/0084bd51fb7742b26a88431bb84cb1696857e6dc
github.com/payloadcms/payload/releases/tag/v3.90.0
github.com/payloadcms/payload/security/advisories/GHSA-2g7p-5934-q4w7
nvd.nist.gov/vuln/detail/CVE-2026-105854

Code Behaviors & Features

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