CVE-2026-27833

HIGH

CVSS v3

7.5

HIGH

EPSS Score

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

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.

Technical Details

CVSS v3 Vector
3.1
Published
4/3/2026
Last Modified
4/9/2026

Frequently Asked Questions

What is CVE-2026-27833?

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.

Is CVE-2026-27833 actively exploited?

Active exploitation of CVE-2026-27833 has not been confirmed. The EPSS score is N/A%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-27833?

CVE-2026-27833 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string 3.1.

Is CVE-2026-27833 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.