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TI-2026-22184 Aliases CVE-2026-27833

Piwigo: Unauthenticated Information Disclosure via pwg.history.search API

Priority HIGH 72CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01641 76th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Piwigo (Piwigo): 16.3.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
PiwigoPiwigobefore 16.3.016.3.0Patch availableCNA
  • Piwigo VendorPiwigo Affected before 16.3.0 Fixed in 16.3.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:piwigo:piwigo:*:*:*:*:*:*:*:*before 16.3.0VulnerablePiwigo
  • cpe:2.3:a:piwigo:piwigo:*:*:*:*:*:*:*:* Versions before 16.3.0 Vulnerable ·Piwigo

Remediation

  • Fix · CNA Piwigo (Piwigo) Fixed in 16.3.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-27833

References

Exploit 1

Patch 1

Other 1

  • TI-2023-16500 Piwigo 13.6.0 is vulnerable to SQL Injection via in the "profile" function. CVSS 3.1CRITICAL 9.8
  • TI-2023-16499 Piwigo 13.6.0 is vulnerable to SQL Injection via /admin/permalinks.php. CVSS 3.1CRITICAL 9.8
  • TI-2023-23899 Piwigo Reflected XSS vulnerability CVSS 3.1CRITICAL 9.3
  • TI-2025-38673 Piwigo is vulnerable to one-click account takeover by modifying the password-reset link CVSS 3.1HIGH 8.8
  • TI-2024-32356 Piwigo v14.5.0 was discovered to contain a Cross-Site Request Forgery (CSRF) via the Edit album function. CVSS 3.1HIGH 8.8
  • TI-2023-11988 Piwigo before 13.6.0 was discovered to contain a SQL injection vulnerability via the… CVSS 3.1HIGH 8.8
See all 102 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences