CVE-2026-61610

CVE-2026-61610 · Lychee: unauthenticated photo starring reveals existence of private photos when photos_star_visibility=anonymous

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Lychee is a free, open-source photo-management tool. Prior to 7.6.1, when photos_star_visibility is set to anonymous, POST /api/v2/Photo::highlight can fetch and modify a photo without confirming that the caller can see it. BaseApiRequest::validateResolved() invokes SetPhotosHighlightedRequest::processValidatedValues() before authorization, and PhotoPolicy::canHighlight() returns true for anonymous callers without a canSee check. An unauthenticated attacker who can guess photo identifiers can distinguish existing private photos through differing success and not-found responses and can change their is_highlighted state, including for photos in private or password-protected albums. The issue is limited to installations using the non-default anonymous star-visibility setting. This issue is fixed in version 7.6.1.

CVSS 2.3 · Низкий · EPSS 0,3%

Опубликовано

2026-10-15T16:26:16.585Z

Обновлено

2026-10-20T02:48:31.094Z

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