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.

CVSS v3.1

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

1.64% chance of exploitation in the next 30 days, 75th percentile

Nuclei

high · CWE-862

Published

2026-04-03

Updated

2026-04-06

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-27833.yaml

References

• CVE Record
• NVD entry

Related

• CVE-2026-27831
• CVE-2026-27835
• CVE-2026-27829
• CVE-2026-27838
• CVE-2026-27826
• CVE-2026-27876