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Description

LibrePhotos before 1.0.0 contains a broken object level authorization vulnerability in the SetPhotosShared endpoint that allows authenticated users to grant themselves access to other users' private photos by bypassing ownership validation. Attackers can manipulate shared_to relations without proper owner checks to read arbitrary private photos belonging to other users.

PUBLISHED Reserved 2026-06-26 | Published 2026-06-29 | Updated 2026-07-14 | Assigner VulnCheck




MEDIUM: 6.0CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

MEDIUM: 5.9CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N

Problem types

Authorization Bypass Through User-Controlled Key

Product status

Default status
unaffected

Any version before 1.0.0
affected

Credits

George Chen finder

References

github.com/LibrePhotos/librephotos/issues/1860 exploit

github.com/LibrePhotos/librephotos/releases/tag/1.0.0 (Release Notes) release-notes

github.com/LibrePhotos/librephotos/issues/1860 (Researcher Disclosure) issue-tracking

github.com/LibrePhotos/librephotos/pull/1866 (Pull Request) issue-tracking

github.com/...ommit/325bd1f5fda71c6d56737aa09cfce0cb8106675a (Patch Commit) patch

www.vulncheck.com/...t-reference-in-setphotosshared-endpoint third-party-advisory

cve.org (CVE-2026-57943)

nvd.nist.gov (CVE-2026-57943)

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