MEDIUM
OpenClaw < 2026.4.2 - Loopback Protection Bypass via Trailing-Dot Localhost in CDP Discovery
Published Apr 27, 2026
6.9
MEDIUMCVSS 4.0
EPSS 0.44%
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.
Affected products
-
- Version 0StatusaffectedConstraints<2026.4.2
- Version 2026.4.2StatusunaffectedConstraints-
- Version
No data.
No Red Hat product state for this CVE.
openclaw
npm
Introduced 0 Fixed 2026.4.2
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | openclaw | 0 | 2026.4.2 |
Remediation
No remediation recorded yet.
Weaknesses (2)
References (5)
- https://github.com/advisories/GHSA-fh32-73r9-rgh5 Advisory
- https://github.com/openclaw/openclaw/commit/9c22d636697336a6b22b0ae24798d8b8325d7828 patch
- https://github.com/openclaw/openclaw/security/advisories/GHSA-fh32-73r9-rgh5 vendor-advisoryVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-41372
- https://www.vulncheck.com/advisories/openclaw-loopback-protection-bypass-via-trailing-dot-localhost-in-cdp-discovery third-party-advisoryThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-fh32-73r9-rgh5 | Advisory | |
| https://github.com/openclaw/openclaw/commit/9c22d636697336a6b22b0ae24798d8b8325d7828 | patch | |
| https://github.com/openclaw/openclaw/security/advisories/GHSA-fh32-73r9-rgh5 | vendor-advisoryVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2026-41372 | ||
| https://www.vulncheck.com/advisories/openclaw-loopback-protection-bypass-via-trailing-dot-localhost-in-cdp-discovery | third-party-advisoryThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner VulnCheck
Published Apr 27, 2026
Updated Apr 28, 2026
Reserved Apr 20, 2026
Link CVE-2026-41372
CISA Vulnrichment
GHSA-FH32-73R9-RGH5 Updated Apr 28, 2026