What is GHSA-6hr3-65pr-wchw?

GHSA-6hr3-65pr-wchw is a security advisory published by GitHub Security Advisories with Critical severity. Unauthenticated PHP Object Injection in Preservation \u003c= 1.15 versions.

Which CVE IDs does GHSA-6hr3-65pr-wchw cover?

GHSA-6hr3-65pr-wchw covers the following CVE IDs: CVE-2026-54859. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-6hr3-65pr-wchw?

GHSA-6hr3-65pr-wchw has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-6hr3-65pr-wchwCriticalCVSS 9.8

Unauthenticated PHP Object Injection in Preservation <= 1.15 versions.

Vendor

GitHub Security Advisories

Published

October 29, 2026

Last Modified

October 29, 2026

🔗 CVE IDs covered (1)

CVE-2026-54859 →

📋 Description

Unauthenticated PHP Object Injection in Preservation <= 1.15 versions.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-54859
https://patchstack.com/database/wordpress/theme/preservation/vulnerability/wordpress-preservation-theme-1-15-php-object-injection-vulnerability?_s_id=cve
https://github.com/advisories/GHSA-6hr3-65pr-wchw