Medium severity · published May 6, 2026
CVE-2026-43577
OpenClaw < 2026.4.9 - Arbitrary File Read via Browser Interaction Routes
6.5
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenClaw · OpenClaw
before 2026.4.9 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-43577
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-43577
Patch
https://github.com/openclaw/openclaw/commit/5f5b3d733bdd791cb457f838514179e1288b10b3
Mitigation
https://github.com/openclaw/openclaw/security/advisories/GHSA-qmwg-qprg-3j38
Third Party Advisory
https://www.vulncheck.com/advisories/openclaw-arbitrary-file-read-via-browser-interaction-routes
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