Vulnerability in Openclaw
CVE-2026-43531
OpenClaw before 2026.4.9 contains an environment variable injection vulnerability allowing malicious workspace .env files to set runtime-control variables. Attackers can inject variables affecting update sources, gateway URLs, ClawHub resolution, and browser executable paths to compromise application behavior.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (27.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.001
Affected products
- Openclaw — versions 0, 2026.4.9
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-7wv4-cc7p-jhxc (vendor-advisory, Vendor Advisory)
- github.com/openclaw/openclaw/commit/dbfcef319618158fa40b31cdac386ea34c392c0c (Patch, patch)
- www.vulncheck.com/advisories/openclaw-environment-variable-injection-via-worksp… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-43531?
- CVE-2026-43531 is a high-severity vulnerability in Openclaw, classified under CWE-15. CVSS score: 7.3/10. Published 2026-05-05.
- How severe is CVE-2026-43531?
- High severity. CVSS v3 base score is 7.3 out of 10.