SB2026042603 - Information disclosure in Piwigo
Published: April 26, 2026
Security Bulletin ID
SB2026042603
CSH Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Missing Authorization (CVE-ID: CVE-2026-27833)
CWE-ID: CWE-862 - Missing Authorization
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to missing authorization in the pwg.history.search API method when handling requests to the web service endpoint. A remote attacker can send a specially crafted request to disclose sensitive information.
Only instances with web services enabled are vulnerable.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.