CVE-2026-105863Payload authentication token field handling issue
Updated under an hour ago ()
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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 0.38%, higher than 30% of scored CVEs.
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Free account, 1 product
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
- 9.2 CRITICAL (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Weakness (CWE)
- CWE-290, CWE-915
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.38% (percentile 30)
- Assigned by
- GitHub_M
- NVD analysis
- Analyzed
- Record last updated
- Oct 9, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
payloadcms payload payloadcms:payload (from the name) | from 3.0.0, < 3.90.0; from 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-66wr-7vmr-p5jqx-refsource-confirm, vendor-advisory
- https://github.com/payloadcms/payload/commit/56cd5cd050a57daebf33159e41e5ff9d4a45239cx-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.