Lychee Path Traversal Vulnerability

published 2025-06-18 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-18624

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits: 0; none known

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.

Patch / fix

fixed in 1 links 1

lycheeorg lychee 6.6.10

github.com/LycheeOrg/Lychee@ae7270b commit

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 16 mo ago (2025-06-18)

Exploit prediction

0.62% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

LycheeOrg Lychee

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

CVE List CVE-2025-50202
NVD CVE-2025-50202

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary