CVE-2026-42427: OpenClaw · Incomplete List of Disallowed Inputs
Affects OpenClawSource GCVE Database
Not known to be exploited · CVSS 5.8 Medium.
Data as of 11 Nov 2026, 22:20 UTC
Thin evidence
One scorer or none| CNA (VulnCheck) | CVSS 4.0 | 5.8 |
|---|---|---|
| CNA (VulnCheck) | CVSS 3.1 | 5.3 |
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 28 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 11 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| OpenClaw OpenClaw | Affected
| Fixed in– |
Description
OpenClaw before 2026.4.8 contains a remote code execution vulnerability caused by missing environment variable denylist entries for HGRCPATH, CARGO_BUILD_RUSTC_WRAPPER, RUSTC_WRAPPER, and MAKEFLAGS. Attackers can inject malicious build tool environment variables to influence host exec commands and achieve arbitrary code execution.
References
- github.com/openclaw/openclaw/security/advisories/GHSA-7437-7hg8-frrw (opens in a new tab)
- github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5 (opens in a new tab)
- vulncheck.com/advisories/openclaw-remote-code-execution-via-build-tool-environment-variable-injection (opens in a new tab)