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Advisory record · GHSA-gmxh-hjfv-qc2w

Koillection has an authenticated Server-Side Request Forgery issue

CVSS 8.1 HighEPSS 0.0025 · 16th percentile

Published by the GitHub Advisory Database at 15 Jun 2026, 21:30 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
koillection/koillectionPackagist<1.8.41.8.4
Identifiers
GHSA-gmxh-hjfv-qc2w · CVE-2026-50888 · PKSA-r52z-frv4-qfxy
Weakness (CWE)
CWE-918
Tags
Published
15 Jun 2026
Updated
27 Aug 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Koillection, a Packagist package (koillection/koillection), is vulnerable to authenticated Server-Side Request Forgery in its custom scraper subsystem, as stated for version 1.8.0; the affected range given is versions before 1.8.4. An attacker with a logged-in account can supply a crafted URL to make the server request internal resources, allowing them to scan the internal network. Upgrade to version 1.8.4, which is the fixed release.

Written 31 Oct 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.1 High 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS 0.0025, the 16th percentile, on 13 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:07 UTC First seen by agentprime
  2. 31 Oct 2026, 14:07 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.