CVE-2026-41913

LOW 3.7

OpenClaw < 2026.4.4 - Rate-Limit Bypass via Concurrent Async Authentication Attempts

CVSS Score

3.7

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-362
Vendor	openclaw
Product	openclaw
Published	Apr 28, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

OpenClaw / OpenClaw

0 < 2026.4.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-25wv-8phj-8p7r github.com: https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5 vulncheck.com: https://www.vulncheck.com/advisories/openclaw-rate-limit-bypass-via-concurrent-async-authentication-attempts

Credits

🔍 Akiyama Mio (@Telecaster2147)