Koillection has an authenticated Server-Side Request Forgery issue

HIGH 8.1CVE-2026-50888 · GHSA-gmxh-hjfv-qc2w · Published 15/06/2026 · updated 17/06/2026

In short

CVE-2026-50888 is a HIGH (CVSS 8.1) vulnerability affecting koillection/koillection.
Chance of exploitation in the next 30 days (EPSS): 0.25%, higher than 16.2% of all vulnerabilities.
Fix: update to 1.8.4 or later.

Package	Affected versions	Patched versions
koillection/koillection Packagist	`< 1.8.4`	`1.8.4`

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.

NVD description

References

nvd.nist.gov/vuln/detail/CVE-2026-50888 · ADVISORY
benjaminjonard/koillection#1599 · WEB
benjaminjonard/koillection commit 4d445e2 · WEB
gist.github.com/pyuysig/d60273c1c346257ceddbf8da7134bae7 · WEB
benjaminjonard/koillection · PACKAGE
benjaminjonard/koillection release 1.8.4 · WEB

More vulnerabilities in koillection/koillection

See all →

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free