What’s Vulnerable › Vulnerabilities

CVE-2026-22784: Lychee cross-album password propagation on Album unlocking

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-01-12 · updated 2026-06-17
• Weakness: CWE-863

Description

Lychee is a free, open-source photo-management tool. Prior to 7.1.0, an authorization vulnerability exists in Lychee's album password unlock functionality that allows users to gain possibly unauthorized access to other users' password-protected albums. When a user unlocks a password-protected public album, the system automatically unlocks ALL other public albums that share the same password, resulting in a complete authorization bypass. This vulnerability is fixed in 7.1.0.

Affected products

• LycheeOrg Lychee: before 7.1.0 — fixed in 7.1.0

How to fix

Upgrade to a fixed version: LycheeOrg Lychee 7.1.0. Check the vendor advisory for mitigations.

References

• https://github.com/LycheeOrg/Lychee/commit/f021a29f9ab2bafa81d9f5e32ff5bc89915c7d41
• https://github.com/LycheeOrg/Lychee/security/advisories/GHSA-jj56-2c54-4f25

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