Vulnerability · Published Jun 15, 2026 · Assigned by mitre
CVE-2026-50888
High 8.1
In plain English
A high-severity server-side request forgery in the koillection/koillection package (Packagist). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.2%top 83.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | koillection/koillection | 1.8.4 | GHSA-gmxh-hjfv-qc2w |
Affected products (as reported)
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N