How severe is CVE-2026-57943?

CVE-2026-57943 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2026-57943 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-57943?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-57943 published?

CVE-2026-57943 was published on 2026-06-29.

CVE-2026-57943

CVE-2026-57943 is a medium-severity vulnerability with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v4: 6.0
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-639
Published: 2026-06-29
Last modified: 2026-06-29

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.

Frequently asked questions

What is 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. Attackers can manipulate shared_to relations without proper owner checks to read arbitrary private photos belonging to other users.
How severe is CVE-2026-57943?: CVE-2026-57943 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2026-57943 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-57943?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-57943 published?: CVE-2026-57943 was published on 2026-06-29.

References

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