CVE-2025-50202: Lychee Path Traversal Vulnerability

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-06-18 · updated 2026-06-17
Weakness: CWE-22

Description

Lychee is a free photo-management tool. In versions starting from 6.6.6 to before 6.6.10, an attacker can leak local files including environment variables, nginx logs, other user's uploaded images, and configuration secrets due to a path traversal exploit in SecurePathController.php. This issue has been patched in version 6.6.10.

Affected products

LycheeOrg Lychee: from 6.6.6, < 6.6.10

References

https://github.com/LycheeOrg/Lychee/blob/0709f5d984d4df77fc5e23a29a0231437e684e99/app/Http/Controllers/SecurePathController.php#L61
https://github.com/LycheeOrg/Lychee/commit/ae7270b7b47e4a284ea1f69d260e52d592711072
https://github.com/LycheeOrg/Lychee/security/advisories/GHSA-6rj9-gm78-vhf9

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