CVE-2026-105857
Payload: RCE in Payload Form Builder
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Payload: RCE in Payload Form Builder
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.
- Record
CVE-2026-105857- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-94, CWE-1321
- Updated
- 2026-11-02
EUVDEUVD-2026-93501
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.
- Record
EUVD-2026-93501- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-r488-j9vj-wx3q
Payload Form Builder has an RCE issue
Impact
A vulnerability in @payloadcms/plugin-form-builder in versions < 3.90.0 allow submissions which could be crafted to execute remote code on the server.
You are affected if:
- You are using
@payloadcms/plugin-form-builder
Patches
Users should upgrade Payload packages to >= 3.90.0 or >= 4.0.0-canary.34.
- Record
GHSA-r488-j9vj-wx3q- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-94, CWE-1321
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-105857- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-94, CWE-1321
- Updated
- 2026-11-02
OSV
Payload: RCE in Payload Form Builder
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.
- Record
CVE-2026-105857- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-1321, CWE-94
- Updated
- 2026-11-02
OSVGHSA-r488-j9vj-wx3q
Payload Form Builder has an RCE issue
Impact
A vulnerability in @payloadcms/plugin-form-builder in versions < 3.90.0 allow submissions which could be crafted to execute remote code on the server.
You are affected if:
- You are using
@payloadcms/plugin-form-builder
Patches
Users should upgrade Payload packages to >= 3.90.0 or >= 4.0.0-canary.34.
- Record
GHSA-r488-j9vj-wx3q- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-1321, CWE-94
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
@payloadcms/plugin-form-buildernpm |
before 3.90.0 | 3.90.0 |
@payloadcms/plugin-form-buildernpm |
4.0.0-canary.0 up to 4.0.0-canary.34 | 4.0.0-canary.34 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-105857 is a critical vulnerability (CVSS 10.0) in Payloadcms Payload, published October 6, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.43%, the 37th percentile. Fixed in @payloadcms/plugin-form-builder 3.90.0.
References
github.com/payloadcms/payload/security/advisories/GHSA-r488-j9vj-wx3q
nvd.nist.gov/vuln/detail/CVE-2026-105857