Privilege escalation in Openclaw
CVE-2026-43535
OpenClaw before 2026.4.14 contains an authorization context reuse vulnerability in collect-mode queue batches that allows messages from different senders to inherit the final sender's authorization context. Attackers can exploit this by sending multiple queued messages to drain batches using a more privileged sender's context, causing earlier messages to execute with elevated permissions.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (31.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.4% 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: +0.002
Affected products
- Openclaw — versions 0, 2026.4.14
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-jwrq-8g5x-5fhm (vendor-advisory, Vendor Advisory)
- github.com/openclaw/openclaw/commit/43d4be902755c970b3d15608679761877718da69 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-authorization-context-reuse-in-collect-mo… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-43535?
- CVE-2026-43535 is a medium-severity vulnerability in Openclaw, classified under Incorrect Privilege Assignment. CVSS score: 6.8/10. Published 2026-05-05.
- How severe is CVE-2026-43535?
- Medium severity. CVSS v3 base score is 6.8 out of 10.