CVE-2026-41372

MEDIUM EPSS 16.3%
Published Apr 28, 20262mo ago · Modified Jun 17, 20262w ago
6.9 CVSS 4.0
Medium
Find Similar
Published Apr 28, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago

Description

OpenClaw before 2026.4.2 fails to normalize trailing-dot localhost hosts in remote CDP discovery responses, allowing bypass of loopback protections. Attackers can craft hostile discovery responses returning localhost. to retarget authenticated browser control toward localhost endpoints and expose browser state.

CVSS Details

Base Score
6.9
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
16.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-639

Affected Products 1

VendorProductVersionRange
openclawopenclaw* <2026.4.2

References 3

  • github.com https://github.com/openclaw/openclaw/commit/9c22d636697336a6b22b0ae24798d8b8325d7828
    Patch
  • github.com https://github.com/openclaw/openclaw/security/advisories/GHSA-fh32-73r9-rgh5
    Vendor Advisory
  • vulncheck.com https://www.vulncheck.com/advisories/openclaw-loopback-protection-bypass-via-trailing-dot-localhost-in-cdp-discovery
    Third Party Advisory

Remediation

  • github.com https://github.com/openclaw/openclaw/commit/9c22d636697336a6b22b0ae24798d8b8325d7828
    Patch