MajorCritical vulnerability
CVE-2026-105854: Payload: ReDoS in Multipart Content-Type Validation
GitHub Advisories · officialPublished Oct 6, 2026Risk 37/100
## 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`.
Recommended action
Recommended action
Upgrade affected packages to a patched version: payload 3.90.0, payload 4.0.0-canary.34.
Technical details
- Vendor
- Not specified
- Product
- payload
- Exploitation
- none known
- Evidence
- official
Evidence and sources
This record is attributed to GitHub Advisories. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.
Open primary source