What is GHSA-gmxh-hjfv-qc2w?

GHSA-gmxh-hjfv-qc2w is a security advisory published by GitHub Security Advisories with High severity. Koillection has an authenticated Server-Side Request Forgery issue

Which CVE IDs does GHSA-gmxh-hjfv-qc2w cover?

GHSA-gmxh-hjfv-qc2w covers the following CVE IDs: CVE-2026-50888. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-gmxh-hjfv-qc2w?

GHSA-gmxh-hjfv-qc2w has a CVSS v3 base score of 8.1, published by GitHub Security Advisories.

Which products are affected by GHSA-gmxh-hjfv-qc2w?

GHSA-gmxh-hjfv-qc2w affects 1 product, including: composer/koillection/koillection:\u003c 1.8.4.

GHSA-gmxh-hjfv-qc2wHighCVSS 8.1

Koillection has an authenticated Server-Side Request Forgery issue

Vendor

GitHub Security Advisories

Published

June 15, 2026

Last Modified

August 27, 2026

🔗 CVE IDs covered (1)

CVE-2026-50888 →

📋 Description

An authenticated Server-Side Request Forgery (SSRF) in the custom scraper subsystem component of Benjamin Jonard Koillection v1.8.0 allows attackers to scan internal resources via supplying a crafted URL.

🎯 Affected products1

composer/koillection/koillection:< 1.8.4

🔗 References (6)

https://nvd.nist.gov/vuln/detail/CVE-2026-50888
https://gist.github.com/pyuysig/d60273c1c346257ceddbf8da7134bae7
https://github.com/benjaminjonard/koillection/pull/1599
https://github.com/benjaminjonard/koillection/commit/4d445e21c631c26070f19fe8ec086a2939767ae0
https://github.com/benjaminjonard/koillection/releases/tag/1.8.4
https://github.com/advisories/GHSA-gmxh-hjfv-qc2w