cve.bz

CVE-2026-28458

7.4 highEPSS 0.4%

High (7.4) in openclaw openclaw. EPSS 0.4% chance of exploitation in the next 30 days. Fixed in openclaw 2026.2.1.

OpenClaw version 2026.1.20 prior to 2026.2.1 contains a vulnerability in the Browser Relay (extension must be installed and enabled) /cdp WebSocket endpoint in which it does not require authentication tokens, allowing websites to connect via loopback and access sensitive data. Attackers can exploit this by connecting to ws://127.0.0.1:18792/cdp to steal session cookies and execute JavaScript in other browser tabs.

Severity

CVSS 4.0

7.4 high
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

5.4 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
EPSS
0.4% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-31)
CWE
CWE-306
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-mr32-vwc2-5j6hnpmopenclaw>=2026.1.20 <2026.2.12026.2.1
GHSA-mr32-vwc2-5j6hnpmmoltbot<=0.1.0no fix published

References

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