Vulnerability in Openclaw
CVE-2026-43578
OpenClaw versions 2026.3.31 before 2026.4.10 contain a privilege escalation vulnerability where heartbeat owner downgrade detection misses local background async exec completion events. Attackers can exploit this by providing untrusted completion content to leave a run in a more privileged context than intended.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.005 (41.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Openclaw — versions 2026.3.31, 2026.4.10
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/commit/19a2e9ddb5a8a494abcba812bb11f51075026a27 (Patch, patch)
- github.com/openclaw/openclaw/security/advisories/GHSA-g375-h3v6-4873 (vendor-advisory, Mitigation, Vendor Advisory)
- www.vulncheck.com/advisories/openclaw-privilege-escalation-via-missed-async-exe… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-43578?
- CVE-2026-43578 is a critical-severity vulnerability in Openclaw, classified under Incomplete List of Disallowed Inputs. CVSS score: 9.1/10. Published 2026-05-06.
- How severe is CVE-2026-43578?
- Critical severity. CVSS v3 base score is 9.1 out of 10.