CVE-2024-52594: Matrix-Org Gomatrixserverlib

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Gomatrixserverlib is a Go library for matrix federation. Gomatrixserverlib is vulnerable to server-side request forgery, serving content from a private network it can access, under certain conditions. The commit `c4f1e01` fixes this issue. Users are advised to upgrade. Users unable to upgrade should use a local firewall to limit the network segments and hosts the service using gomatrixserverlib can access.

Affected products

• Matrix-Org Gomatrixserverlib: before c4f1e01eab0dd435709ad15463ed38a079ad6128 (fixed in c4f1e01eab0dd435709ad15463ed38a079ad6128)

Published 2025-01-16. Last modified 2026-06-17.