Vulnerability in Openclaw
CVE-2026-41913
OpenClaw before 2026.4.4 contains a race condition vulnerability in shared-secret authentication that allows concurrent asynchronous requests to bypass the per-key rate-limit budget. Attackers can exploit this by sending multiple simultaneous authentication attempts to circumvent intended rate-limiting protections on Tailscale-capable paths.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (23.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.1% 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: 0.003 · change: +0.001
Affected products
- Openclaw — versions 0, 2026.4.4
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-25wv-8phj-8p7r (vendor-advisory, Vendor Advisory)
- github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-rate-limit-bypass-via-concurrent-async-au… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-41913?
- CVE-2026-41913 is a low-severity vulnerability in Openclaw, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 3.7/10. Published 2026-04-28.
- How severe is CVE-2026-41913?
- Low severity. CVSS v3 base score is 3.7 out of 10.