Critical 9.3Published Oct 6, 2026

CVE-2026-105851Payload: Field access control bypass on auth collections

Updated under an hour ago (2026-10-19 06:30 UTC)

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It affects payloadcms payload. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.25%, higher than 15% of scored CVEs.

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Every CVE for payloadcms payload

Exploited in the last 30 days

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, the duplicate operation copies values from a source document even when a field is hidden or its access.read or access.create rule rejects that value for the caller. The disableDuplicate setting does not prevent this access-control bypass. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

CVSS: 9.3 CRITICAL (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N
Weakness (CWE): CWE-284, CWE-863
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.25% (percentile 15)
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Oct 6, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

payloadcms payload payloadcms:payload (from the name)	after 3.0.0, < 3.90.0; after 4.0.0-canary.0, < 4.0.0-canary.34	CNA record
payloadcms payload payloadcms:payload	from 3.0.0 before 3.90.0; 4.0.0; 4.0.0; 4.0.0; 4.0.0; 4.0.0; 4.0.0; 4.0.0; and 27 more ranges	NVD

References

https://github.com/payloadcms/payload/security/advisories/GHSA-vc4h-q48j-5hcxx-refsource-confirm, vendor-advisory
https://github.com/payloadcms/payload/commit/099ef12e2682f076aa8e8d0ccb790536b4e1027fx-refsource-misc, patch
https://github.com/payloadcms/payload/releases/tag/v3.90.0x-refsource-misc, patch, release-notes

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.