VULNERABILITY INTELLIGENCE

CVE-2026-21569

CVSS score7.9 HIGH
EPSS probability0.33%
CISA KEVNot currently listed
Published2026-01-28
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:H

Description

This High severity XXE (XML External Entity Injection) vulnerability was introduced in version 7.1.0 of Crowd Data Center and Server. This XXE (XML External Entity Injection) vulnerability, with a CVSS Score of 7.9, allows an authenticated attacker to access local and remote content which has high impact to confidentiality, low impact to integrity, high impact to availability, and requires no user interaction. Atlassian recommends that Crowd Data Center and Server customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: * Crowd Data Center and Server 7.1: Upgrade to a release greater than or equal to 7.1.3 See the release notes (https://confluence.atlassian.com/crowd/crowd-release-notes-199094.html). You can download the latest version of Crowd Data Center and Server from the download center (https://www.atlassian.com/software/crowd/download-archive). This vulnerability was reported via our Atlassian (Internal) program.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-611

Primary references