Auth bypass in Openclaw
CVE-2026-35635
OpenClaw before 2026.3.22 contains a webhook path route replacement vulnerability in the Synology Chat extension that allows attackers to collapse multi-account configurations onto shared webhook paths. Attackers can exploit inherited or duplicate webhook paths to bypass per-account DM access control policies and replace route ownership across accounts.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (34.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.3% 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, 2026.3.22
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-rqp8-q22p-5j9q (vendor-advisory, Vendor Advisory, third-party-advisory)
- github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87 (Patch, patch)
- github.com/openclaw/openclaw/commit/980940aa58f862da4e19372597bbc2a9f268d70b (Patch, patch)
- www.vulncheck.com/advisories/openclaw-webhook-path-route-replacement-vulnerabil… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-35635?
- CVE-2026-35635 is a medium-severity vulnerability in Openclaw, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 4.8/10. Published 2026-04-09.
- How severe is CVE-2026-35635?
- Medium severity. CVSS v3 base score is 4.8 out of 10.