CVE-2026-105854

Payload is a free and open source headless content management system. In versions from 3.0.0 before 3.90.0 and canary versions before 4.0.0-canary.34, a malformed multipart request body can cause multipart Content-Type processing to take an extremely long time, resulting in uncontrolled resource consumption. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

CVSS 4.0

8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.4% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-25)

CWEs

CWE-400, CWE-1333

Published

2026-10-06

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

Affected

• payloadcms:payload

Packages (OSV)

References

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

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