SB2026012277 - Confluence Data Center and Server update for org.apache.jackrabbit:jackrabbit-spi-commons



SB2026012277 - Confluence Data Center and Server update for org.apache.jackrabbit:jackrabbit-spi-commons

Published: January 22, 2026

Security Bulletin ID SB2026012277
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Blind XML External Entity injection (CVE-ID: CVE-2025-53689)

CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to alter application's behavior.

The vulnerability exists due to insufficient validation of user-supplied XML input in jackrabbit-spi-commons and jackrabbit-core components. A remote user can pass a specially crafted XML code to the affected application and escalate their privileges. 


Remediation

Install update from vendor's website.