Security Advisory

CVE-2026-33537

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-26 20:01:19

Last updated 2026-03-27 19:46:28

Assigner GitHub_M

State PUBLISHED

Description

Lychee is a free, open-source photo-management tool. The patch introduced for GHSA-cpgw-wgf3-xc6v (SSRF via `Photo::fromUrl`) contains an incomplete IP validation check that fails to block loopback addresses and link-local addresses. Prior to version 7.5.1, an authenticated user can still reach internal services using direct IP addresses, bypassing all four protection configuration settings even when they are set to their secure defaults. Version 7.5.1 contains a fix for the issue.

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