SB2026012279 - Bitbucket Data Center and Server update for org.apache.tomcat.embed:tomcat-embed-core
Published: January 22, 2026
Security Bulletin ID
SB2026012279
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Path traversal (CVE-ID: CVE-2025-55752)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to input validation error when processing directory traversal sequences passed via Rewrite Valve. A remote attacker can send a specially crafted HTTP PUT request and write arbitrary files to the server, leading to remote code execution.
Remediation
Install update from vendor's website.