CVE-2026-27524
OpenClaw < 2026.2.21 - Prototype Pollution via Debug Override Path
- State
- Published
- Severity
- 2.3 Low
- Published
- Mar 18, 2026
- Updated
- Jun 23, 2026
- Reserved
- Feb 19, 2026
Description
OpenClaw versions prior to 2026.2.21 accept prototype-reserved keys in runtime /debug set override object values, allowing prototype pollution attacks. Authorized /debug set callers can inject __proto__, constructor, or prototype keys to manipulate object prototypes and bypass command gate restrictions.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 2.3 Low | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N | VulnCheck |
Weaknesses
- CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Affected Products
| Product | Versions |
|---|---|
OpenClawOpenClaw |
|
References
- GitHub Security Advisory (GHSA-62f6-mrcj-v8h5)vendor-advisory
- Patch Commitpatch
- VulnCheck Advisory: OpenClaw < 2026.2.21 - Prototype Pollution via Debug Override Paththird-party-advisory
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