CVE-2026-43578

critical · 9.1

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.

9.1

CVSS

0.3%

EPSS (exploit prob.)

22nd

EPSS percentile

2026-05-06

Published

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-184

Affected products

Vendor	Product	Affected versions
openclaw	openclaw	>= 2026.3.31, < 2026.4.10

Check a specific version with /api/v1/cve/match.

References

https://github.com/openclaw/openclaw/commit/19a2e9ddb5a8a494abcba812bb11f51075026a27
https://github.com/openclaw/openclaw/security/advisories/GHSA-g375-h3v6-4873
https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-missed-async-exec-completion-events-in-heartbeat-owner-downgrade

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-43578