CVE-2026-105857 json
Payload: RCE in Payload Form Builder
published last mo. modified 26d ago also EUVD-2026-93501 , GHSA-r488-j9vj-wx3q
- cvss
- 10.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 37%
- public exploits
- 0
- none known
Summary
Payload is a free and open source headless content management system. In @payloadcms/plugin-form-builder versions before 3.90.0 and canary versions before 4.0.0-canary.34, an attacker can craft a form submission that executes code remotely on the server. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.
Patch / fix
- npm @payloadcms/plugin-form-builder 3.90.0, 4.0.0-canary.34
- payloadcms payload 3.90.0, 4.0.0-canary.34
Is CVE-2026-105857 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- last mo.
Exploit prediction
0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| GitHub | 3.1 | 10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | @payloadcms/plugin-form-builder | <3.90.0 >=4.0.0-canary.0, <4.0.0-canary.34 |
3.90.0 4.0.0-canary.34 |
Affected products
- payloadcms payload
Classification
References
-
github.com
/payloadcms/payload/commit/333b82b9f3e685fed6826c2e3270da79df8336c6
web, patch
-
github.com
/payloadcms/payload/releases/tag/v3.90.0
web, patch, release-notes
-
github.com
/payloadcms/payload/security/advisories/GHSA-r488-j9vj-wx3q
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2026-105857
advisory
-
github.com
/payloadcms/payload
package
Sources
- CVE List CVE-2026-105857
- GitHub Advisory GHSA-r488-j9vj-wx3q
- NVD CVE-2026-105857
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.