What is GHSA-wcpv-6hg7-mfcc?

GHSA-wcpv-6hg7-mfcc is a security advisory published by GitHub Security Advisories with Medium severity. OpenClaw before 2026.5.7 contains a hostname validation vulnerability in retry endpoint checks...

Which CVE IDs does GHSA-wcpv-6hg7-mfcc cover?

GHSA-wcpv-6hg7-mfcc covers the following CVE IDs: CVE-2026-53839. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-wcpv-6hg7-mfcc?

GHSA-wcpv-6hg7-mfcc has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-wcpv-6hg7-mfccMediumCVSS 6.5

OpenClaw before 2026.5.7 contains a hostname validation vulnerability in retry endpoint checks...

Vendor

GitHub Security Advisories

Published

June 13, 2026

Last Modified

June 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-53839 →

📋 Description

OpenClaw before 2026.5.7 contains a hostname validation vulnerability in retry endpoint checks that allows matching hostname prefixes instead of exact hostnames. Attackers can exploit this by crafting a hostname prefix resembling a trusted host to send authentication material to untrusted endpoints.

🔗 References (4)

https://github.com/openclaw/openclaw/security/advisories/GHSA-77q5-rr5v-x43q
https://nvd.nist.gov/vuln/detail/CVE-2026-53839
https://www.vulncheck.com/advisories/openclaw-hostname-prefix-matching-bypass-in-trusted-retry-endpoint-validation
https://github.com/advisories/GHSA-wcpv-6hg7-mfcc