Vulnerability · Published Jun 29, 2026 · Assigned by VulnCheck

CVE-2026-57943LibrePhotos < 1.0.0 - Insecure Direct Object Reference in SetPhotosShared Endpoint

Medium 5.9

In plain English

A medium-severity authorization bypass via user-controlled key in librephotos from LibrePhotos. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities).

Severity (CVSS 3.1)5.9Medium

Exploit odds (30 days)0.3%top 72.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
LibrePhotos	librephotos	0 – before 1.0.0

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N

References

Release Notes release-notes
Researcher Disclosure issue-tracking
Pull Request issue-tracking
Patch Commit patch
https://www.vulncheck.com/advisories/librephotos-insecure-direct-object-reference-in-setphotosshared-endpoint third-party-advisory