Vulnerability in Openclaw
CVE-2026-41362
OpenClaw versions 2026.2.19 before 2026.3.31 contain an improper cache isolation vulnerability in the Zalo webhook replay-dedupe mechanism that is shared across authenticated webhook targets. Attackers controlling one authenticated Zalo webhook path in multi-account deployments can suppress legitimate events on different accounts by matching event_name and message_id parameters.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.005 (39.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.1% 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 2026.2.19, 2026.3.31
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-fqrj-m88p-qf3v (vendor-advisory, Vendor Advisory)
- github.com/openclaw/openclaw/commit/4d038bb242c11f39e45f6a4bde400e5fd42e4ebf (Patch, patch)
- github.com/openclaw/openclaw/commit/7cea7c29705b188b464cc9cdc107c275b94b2a72 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-webhook-replay-dedupe-cache-event-suppres… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-41362?
- CVE-2026-41362 is a medium-severity vulnerability in Openclaw, classified under Exposure of Resource to Wrong Sphere. CVSS score: 4.3/10. Published 2026-04-28.
- How severe is CVE-2026-41362?
- Medium severity. CVSS v3 base score is 4.3 out of 10.