CVE-2026-27833: Piwigo: Unauthenticated Information Disclosure via pwg.history.search API

Published Apr 3, 2026
·
Updated

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 adminonly option, allowing unauthenticated users to access the full browsing history of all gallery visitors. This issue has been patched in version 16.3.0.

Affected Software

1 affected component
Piwigo piwigo<16.3.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Piwigo to a version that resolves this vulnerability.

    Fixed in 16.3.0

Event History

Apr 3, 2026
CVE Published
via MITRE·09:34 PM
Data Sourced
via MITRE·09:34 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:16 PM
RemedyDescriptionSeverityWeaknessAffected Software

Company

Resources

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