SB2026092102 - Information Exposure Through an Error Message in Shaarli
Published: September 21, 2026
Breakdown by Severity
- 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.