by Kastro
Paper/Archive/CVE-2026-43578

CVE-2026-43578

OpenClaw OpenClaw — OpenClaw 2026.3.31 < 2026.4.10 - Privilege Escalation via Missed Async Exec Completion Events in Heartbeat Owner Downgrade

EPSS 0.3%CVSS 9.1
critical.is priorityof 100
32
CVSS 9.1 (CNA)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 21.4.214 × 204.3No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
OpenClaw2026.3.31 – < 2026.4.102026.4.10CNA

Scores by source

VulnCheck (CNA)9.1CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
VulnCheck (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

advisorygithub.com/openclaw/openclaw/security/advisories/GHSA-g375-h3v6-4873patchgithub.com/openclaw/openclaw/commit/19a2e9ddb5a8a494abcba812bb11f51075026a27writeupvulncheck.com/advisories/openclaw-privilege-escalation-via-missed-async-exec-completion-events-in-heartbeat-owner-downgrade