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NVD Vulnerability Details :
CVE-2026-41372
Analyzed
More InfoOfficial Page
Source-disclosure@vulncheck.com
View Known Exploited Vulnerability (KEV) details
Published At-28 Apr, 2026 | 00:16
Updated At-28 Apr, 2026 | 18:43

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.06.9MEDIUM
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
Primary3.15.8MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
Type: Secondary
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
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
Type: Primary
Version: 3.1
Base score: 5.8
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
CPE Matches
OpenClaw
openclaw
>>openclaw>>Versions before 2026.4.2(exclusive)
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Weaknesses
CWE IDTypeSource
CWE-639Primarydisclosure@vulncheck.com
CWE ID: CWE-639
Type: Primary
Source: disclosure@vulncheck.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/openclaw/openclaw/commit/9c22d636697336a6b22b0ae24798d8b8325d7828disclosure@vulncheck.com
Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-fh32-73r9-rgh5disclosure@vulncheck.com
Vendor Advisory
https://www.vulncheck.com/advisories/openclaw-loopback-protection-bypass-via-trailing-dot-localhost-in-cdp-discoverydisclosure@vulncheck.com
Third Party Advisory
Hyperlink: https://github.com/openclaw/openclaw/commit/9c22d636697336a6b22b0ae24798d8b8325d7828
Source: disclosure@vulncheck.com
Resource:
Patch
Hyperlink: https://github.com/openclaw/openclaw/security/advisories/GHSA-fh32-73r9-rgh5
Source: disclosure@vulncheck.com
Resource:
Vendor Advisory
Hyperlink: https://www.vulncheck.com/advisories/openclaw-loopback-protection-bypass-via-trailing-dot-localhost-in-cdp-discovery
Source: disclosure@vulncheck.com
Resource:
Third Party Advisory
Change History
0Changes found
Details not found