CVE-2026-105863
criticalPayload is a free and open source headless content management system.
Vendor / product: Payloadcms — payload
Payload is a free and open source headless content management system. In versions after 3.0.0 and before 3.90.0, a custom field option that maps a field to a reserved authentication claim name can place unintended values in the authentication token issued at login. This issue is fixed in version 3.90.0.
CVSS
9.4
9.4 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-10-06 17:17
Modified: 2026-10-15 00:09
NVD status: Analyzed
Last synced 3 days ago
Verified against the source API 2026-10-27 07:07 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
payloadcms / payload ≥3.0.0 <3.90.0, 4.0.0
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Patch / mitigation: https://github.com/payloadcms/payload/commit/56cd5cd050a57daebf33159e41e5ff9d4a45239c
Patch / mitigation: https://github.com/payloadcms/payload/releases/tag/v3.90.0
References
- https://github.com/payloadcms/payload/commit/56cd5cd050a57daebf33159e41e5ff9d4a45239c security-advisories@github.com
- https://github.com/payloadcms/payload/releases/tag/v3.90.0 security-advisories@github.com
- https://github.com/payloadcms/payload/security/advisories/GHSA-66wr-7vmr-p5jq security-advisories@github.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:07 UTC · record ↗