What is CVE-2026-57943?

CVE-2026-57943 is a medium-severity vulnerability in Librephotos, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.9/10. Published 2026-06-29.

How severe is CVE-2026-57943?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Auth bypass in Librephotos

CVE-2026-57943

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…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N.

Affected products

Librephotos — versions 0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (release-notes)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-57943?: CVE-2026-57943 is a medium-severity vulnerability in Librephotos, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.9/10. Published 2026-06-29.
How severe is CVE-2026-57943?: Medium severity. CVSS v3 base score is 5.9 out of 10.