SB2026092102 - Information Exposure Through an Error Message in Shaarli



SB2026092102 - Information Exposure Through an Error Message in Shaarli

Published: September 21, 2026

Security Bulletin ID SB2026092102
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Information Exposure Through an Error Message (CVE-ID: N/A)

CWE-ID: CWE-209 - Information Exposure Through an Error Message

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to generation of an error message containing sensitive information in PageBuilder::initialize() and the index.php fallback error handler when processing array-valued searchtags or searchterm query parameters. A remote attacker can send a request with an array-valued search parameter to disclose sensitive information.

The disclosed information includes the absolute installation path and full application and framework stack trace.


Remediation

Install update from vendor's website.