CVE-2026-27833
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Piwigo
PublishedApr 3, 2026
First seenApr 3, 2026
Weakness typeCWE-862Missing authorization
How to fix
Update
- piwigo piwigo16.3.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| piwigo piwigo | v < 16.3.0 | 16.3.0 |
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