CVE-2026-61838

UNKNOWN 0.0

Lychee: Album password bypass in ZIP downloads

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

Lychee is a free, open-source photo-management tool. Prior to 7.6.3, GET /api/v2/Zip authorizes album and photo archives through AlbumPolicy::canDownload() and PhotoPolicy::canDownload() without first enforcing AlbumPolicy::canAccess(). For a public, password-protected album with grants_download enabled, an unauthenticated attacker who knows the shared album identifier can download a ZIP archive without supplying the password or unlocking the album, even though browsing endpoints deny access. The archive exposes the album's photos and can include full-resolution originals and associated metadata when grants_full_photo_access is enabled. This issue is fixed in version 7.6.3.

CWE	CWE-285 CWE-639
Vendor	lycheeorg
Product	lychee
Published	Oct 15, 2026

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Affected Versions

LycheeOrg / Lychee

< 7.6.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/LycheeOrg/Lychee/security/advisories/GHSA-735c-2wqc-x29r github.com: https://github.com/LycheeOrg/Lychee/pull/4459 github.com: https://github.com/LycheeOrg/Lychee/commit/4366dd0e721126dffe29659afec93aee9c1db711 github.com: https://github.com/LycheeOrg/Lychee/releases/tag/v7.6.3