CVE-2026-27833: high-severity vulnerability in Piwigo
Piwigo: Unauthenticated Information Disclosure via pwg.history.search API
Published · Updated
36Vexday Risk Score
Patch soon. It has a working public exploit.
ssvc Attendcvss 7.5epss 1.7%
exploitation probability
1.7%top 23% of all CVEs
observed exploitation
nono source reports it
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products
Piwigo · PiwigoRelated CVEs — Piwigo
In the same product, most dangerous first.
CVE-2023-37270HIGHPiwigo SQL Injection vulnerability in "User-Agent"EPSS 4.5%CVE-2023-44393CRITICALPiwigo Reflected XSS vulnerabilityEPSS 1.3%CVE-2026-44642HIGHPiwigo: SQL injection in upgrade authentication allows unauthenticated upgrade authorization bypass (PHP 8+)EPSS 1.3%CVE-2026-85750HIGHPiwigo arbitrary file read and remote code execution via insecure image processingEPSS 1.2%CVE-2026-42324HIGHPiwigo: Second-Order SQL InjectionEPSS 0.9%CVE-2026-27634HIGHPiwigo: Pre-auth SQL injection via date filter parameters in ws_std_image_sql_filterEPSS 0.8%