High 7.5Published Apr 3, 2026

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

Updated under an hour ago (Oct 27, 2026, 5:50 PM ET)

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Every CVE for Piwigo

Exploited in the last 30 days

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: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-862
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Apr 6, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Piwigo Piwigo piwigo:piwigo (from the name)	before 16.3.0	CNA record
piwigo piwigo piwigo:piwigo	before 16.3.0	NVD

References

References

https://github.com/Piwigo/Piwigo/security/advisories/GHSA-397m-gfhm-pmg2	x-refsource-confirm, exploit, vendor-advisory
https://github.com/Piwigo/Piwigo/commit/d05c16561ce3692ca922199f8c8d7b1a45893f1c	x-refsource-misc, patch
https://piwigo.org/release-16.3.0	x-refsource-misc, release-notes

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.