What is GHSA-p84v-vg3f-p9m6?

GHSA-p84v-vg3f-p9m6 is a security advisory published by GitHub Security Advisories with High severity. Adminer versions before 5.4.3 contain an unrestricted file upload vulnerability in the...

Which CVE IDs does GHSA-p84v-vg3f-p9m6 cover?

GHSA-p84v-vg3f-p9m6 covers the following CVE IDs: CVE-2026-56702. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-p84v-vg3f-p9m6?

GHSA-p84v-vg3f-p9m6 has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-p84v-vg3f-p9m6HighCVSS 8.8

Adminer versions before 5.4.3 contain an unrestricted file upload vulnerability in the...

Vendor

GitHub Security Advisories

Published

August 25, 2026

Last Modified

August 25, 2026

🔗 CVE IDs covered (1)

CVE-2026-56702 →

📋 Description

Adminer versions before 5.4.3 contain an unrestricted file upload vulnerability in the AdminerFileUpload plugin that allows authenticated users to upload PHP files by exploiting a permissive default extension allowlist. Attackers can upload PHP webshells to columns ending in _path and execute arbitrary code as the web-server user when uploadPath is web-served.

🔗 References (4)

https://github.com/vrana/adminer/security/advisories/GHSA-vcvj-rwwm-x6g5
https://nvd.nist.gov/vuln/detail/CVE-2026-56702
https://www.vulncheck.com/advisories/adminer-before-unrestricted-file-upload-via-adminerfileupload
https://github.com/advisories/GHSA-p84v-vg3f-p9m6