CVE-2026-27833
highpriority · track · 1OT risk · elevatedEPSS 0.016 · 76 %ileEUUSEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (10)
External citations — patches, advisories, analysis.
- https://github.com/Piwigo/Piwigo/commit/d05c16561ce3692ca922199f8c8d7b1a45893f1ccnnvd
- https://github.com/Piwigo/Piwigo/releasesPatchcnnvd
- https://github.com/Piwigo/Piwigo/security/advisories/GHSA-397m-gfhm-pmg2cnnvd
- https://piwigo.org/release-16.3.0cnnvd
- https://github.com/Piwigo/Piwigo/commit/d05c16561ce3692ca922199f8c8d7b1a45893f1cenisa_euvd
- https://github.com/Piwigo/Piwigo/security/advisories/GHSA-397m-gfhm-pmg2enisa_euvd
- https://piwigo.org/release-16.3.0enisa_euvd
- https://github.com/Piwigo/Piwigo/commit/d05c16561ce3692ca922199f8c8d7b1a45893f1cPatchnvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan