CVE-2026-27833CWE-862

Piwigo: Unauthenticated Information Disclosure via pwg.history.search API

High · published April 3, 2026

CVSS v3.1
7.5
EPSS
2%
Percentile
77.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.01700 · 77.0th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-04-03T21:34Z
EPSS history
Timeline
  • 03 APR 21:34Z
    Piwigo: Unauthenticated Information Disclosure via pwg.history.search API
    cvelistv5