Vulnerability details
CVE-2026-42423
OpenClaw OpenClaw
OpenClaw < 2026.4.8 - strictInlineEval Approval Boundary Bypass via Approval-Timeout Fallback
CVSS 4.0
7.7High
Official description
OpenClaw before 2026.4.8 contains an approval-timeout fallback mechanism that bypasses strictInlineEval explicit-approval requirements on gateway and node exec hosts. Attackers can exploit this timeout fallback to execute inline eval commands that should require explicit user approval, circumventing the intended security boundary.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.7High | 4.0 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| 7.5High | 3.1 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| OpenClaw | OpenClaw | v < 2026.4.8 | CVEProject cvelistV5 (CNA) |
References and advisories
3- https://github.com/openclaw/openclaw/security/advisories/GHSA-q2gc-xjqw-qp89 vendor-advisory
- https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5 patch
- https://www.vulncheck.com/advisories/openclaw-strictinlineeval-approval-boundary-bypass-via-approval-timeout-fallback third-party-advisory
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Details
- Published
- 2026-04-28
- Last updated
- 2026-04-30
- State
- Published
- Assigner (CNA)
- VulnCheck
Exploit prediction (EPSS)
0.31%
Probability of exploitation in 30 days
24.6%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-636Not Failing Securely (Failing Open)