What is GHSA-w27x-jw4w-69xf?

GHSA-w27x-jw4w-69xf is a security advisory published by GitHub Security Advisories with Medium severity. BusyBox httpd IP deny rules with invalid CIDR prefix lengths fail open, leaving a parsed IP with...

Which CVE IDs does GHSA-w27x-jw4w-69xf cover?

GHSA-w27x-jw4w-69xf covers the following CVE IDs: CVE-2026-88831. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-w27x-jw4w-69xf?

GHSA-w27x-jw4w-69xf has a CVSS v3 base score of 5.3, published by GitHub Security Advisories.

GHSA-w27x-jw4w-69xfMediumCVSS 5.3

BusyBox httpd IP deny rules with invalid CIDR prefix lengths fail open, leaving a parsed IP with...

Vendor

GitHub Security Advisories

Published

September 23, 2026

Last Modified

September 23, 2026

🔗 CVE IDs covered (1)

CVE-2026-88831 →

📋 Description

BusyBox httpd IP deny rules with invalid CIDR prefix lengths fail open, leaving a parsed IP with a zeroed mask so the rule matches no clients.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-88831
https://access.redhat.com/security/cve/CVE-2026-88831
https://bugzilla.redhat.com/show_bug.cgi?id=2531346
https://github.com/advisories/GHSA-w27x-jw4w-69xf