/Vulnerability Library

Piwigo < 16.3.0 - Unauthenticated Information Disclosure via History API

CVE-2026-27833
Verified

Description

Piwigo <= 16.3.0 contains an information disclosure vulnerability caused by the pwg.history.search API method lacking admin_only restriction, letting unauthenticated users access full browsing history, exploit requires no authentication

Severity

High

CVSS Score

7.5

Exploit Probability

2%

Affected Product

piwigo

Published Date

June 15, 2026

Template Author

0x_akoko

CVE-2026-27833.yaml
7.5Score

CVSS Metrics

CVSS Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVE ID:
cve-2026-27833
CWE ID:
cwe-862

References

https://github.com/Piwigo/Piwigo/security/advisories/GHSA-397m-gfhm-pmg2https://nvd.nist.gov/vuln/detail/CVE-2026-27833

Remediation Steps

Update to version 16.3.0 or later.