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    CVE-2026-27833

    Piwigo is an open source photo gallery application for the web. Prior to version 16.3.0, the pwg.history.search API method in Piwigo is registered without the admin_only option, allowing unauthenticated users to access the full browsing history of all gallery visitors. This issue has been patched in version 16.3.0.

    Published:Apr 3, 2026
    Last Modified:Apr 10, 2026
    EPS:Apr 3, 2026
    EPSS Score:0.00056
    CVSS Score:7.5

    Affected Products

    Vendor
    Piwigo
    Product
    Piwigo

    Exploits

    https://github.com/Piwigo/Piwigo/security/advisories/GHSA-397m-gfhm-pmg2

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

    CVE-2026-84441 (CVSS 5.5) — A security vulnerability has been detected in Piwigo up to 16.3.0. Affected by this issue is some unknown func…
    CVE-2026-78187 (CVSS 1.3) — A vulnerability has been found in Piwigo 16.3.0. This impacts an unknown function of the component Public Auth…
    CVE-2026-35048 (CVSS 9.8) — The Piwigo installer in versions 16.3.0 and earlier accepts POST parameters for database configuration and wri…
    CVE-2026-27885 (CVSS 7.2) — Piwigo is an open source photo gallery application for the web. Prior to version 16.3.0, a SQL Injection vulne…
    CVE-2026-27834 (CVSS 7.2) — Piwigo is an open source photo gallery application for the web. Prior to version 16.3.0, a SQL Injection vulne…
    CVE-2026-27634 (CVSS 8.7) — Piwigo is an open source photo gallery application for the web. Prior to version 16.3.0, the four date filter …
    CVE-2025-62512 (CVSS 5.5) — Piwigo is an open source photo gallery application for the web. In version 15.5.0 and likely earlier 15.x rele…
    CVE-2024-48928 (CVSS 2.7) — Piwigo is an open source photo gallery application for the web. In versions on the 14.x branch, when installin…
    CVE-2025-62406 (CVSS 8.1) — Piwigo is a full featured open source photo gallery application for the web. In Piwigo 15.6.0, using the passw…
    CVE-2024-43018 (CVSS 6.4) — Piwigo 13.8.0 and below is vulnerable to SQL Injection in the parameters max_level and min_register. These par…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High