CVE-2026-43577: OpenClaw < 2026.4.9 - Arbitrary File Read via Browser Interaction Routes

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-06 · updated 2026-06-17
Weakness: CWE-862

Description

OpenClaw before 2026.4.9 contains a file read vulnerability allowing attackers to bypass navigation guards through browser act/evaluate interactions. Attackers can pivot into the local CDP origin and create or read disallowed file:// pages despite direct navigation policy restrictions.

Affected products

OpenClaw: before 2026.4.9 — fixed in 2026.4.9

How to fix

Upgrade to a fixed version: OpenClaw 2026.4.9. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/commit/5f5b3d733bdd791cb457f838514179e1288b10b3
https://github.com/openclaw/openclaw/security/advisories/GHSA-qmwg-qprg-3j38
https://www.vulncheck.com/advisories/openclaw-arbitrary-file-read-via-browser-interaction-routes

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