What is GHSA-rcqf-cpv9-g5jf?

GHSA-rcqf-cpv9-g5jf is a security advisory published by GitHub Security Advisories with High severity. Filestash allows attackers to escalate privileges via sending a crafted request

Which CVE IDs does GHSA-rcqf-cpv9-g5jf cover?

GHSA-rcqf-cpv9-g5jf covers the following CVE IDs: CVE-2026-50891. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-rcqf-cpv9-g5jf?

GHSA-rcqf-cpv9-g5jf has a CVSS v3 base score of 8.1, published by GitHub Security Advisories.

Which products are affected by GHSA-rcqf-cpv9-g5jf?

GHSA-rcqf-cpv9-g5jf affects 1 product, including: go/github.com/mickael-kerjean/filestash:\u003c= 0.2.2-0.20260827111952-cbcd1e96ebc7.

GHSA-rcqf-cpv9-g5jfHighCVSS 8.1

Filestash allows attackers to escalate privileges via sending a crafted request

Vendor

GitHub Security Advisories

Published

June 15, 2026

Last Modified

August 27, 2026

🔗 CVE IDs covered (1)

CVE-2026-50891 →

📋 Description

Incorrect access control in the /admin/api/config component of Filestash v0.4.0 allows attackers to escalate privileges via sending a crafted request.

🎯 Affected products1

go/github.com/mickael-kerjean/filestash:<= 0.2.2-0.20260827111952-cbcd1e96ebc7

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-50891
https://gist.github.com/pyuysig/50dc365f54f95396bb67532f02b34bb0
https://github.com/advisories/GHSA-rcqf-cpv9-g5jf