CVE-2026-57943

Summary

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.

Affected Software

Weaknesses

• CWE-639: Authorization Bypass Through User-Controlled Key

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

Additional References

• https://github.com/LibrePhotos/librephotos/issues/1860

References

• https://github.com/LibrePhotos/librephotos/releases/tag/1.0.0
• https://github.com/LibrePhotos/librephotos/issues/1860
• https://github.com/LibrePhotos/librephotos/pull/1866
• https://github.com/LibrePhotos/librephotos/commit/325bd1f5fda71c6d56737aa09cfce0cb8106675a
• https://www.vulncheck.com/advisories/librephotos-insecure-direct-object-reference-in-setphotosshared-endpoint

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