CVE-2026-35657: OpenClaw < 2026.3.25 - Authorization Bypass in HTTP Session History Route

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-10 · updated 2026-06-17
Weakness: CWE-863

Description

OpenClaw before 2026.3.25 contains an authorization bypass vulnerability in the HTTP /sessions/:sessionKey/history route that skips operator.read scope validation. Attackers can access session history without proper operator read permissions by sending HTTP requests to the vulnerable endpoint.

Affected products

OpenClaw: before 2026.3.25 — fixed in 2026.3.25

How to fix

Upgrade to a fixed version: OpenClaw 2026.3.25. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/commit/1c45123231516fa50f8cf8522ba5ff2fb2ca7aea
https://github.com/openclaw/openclaw/security/advisories/GHSA-5jvj-hxmh-6h6j
https://www.vulncheck.com/advisories/openclaw-authorization-bypass-in-http-session-history-route

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