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.
Metrics
Affected Vendors & Products
No advisories yet.
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Wed, 28 Jan 2026 15:15:00 +0000
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| Weaknesses | CWE-611 | |
| Metrics |
ssvc
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Wed, 28 Jan 2026 12:30:00 +0000
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| First Time appeared |
Atlassian
Atlassian crowd Data Center |
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| Vendors & Products |
Atlassian
Atlassian crowd Data Center |
Wed, 28 Jan 2026 01:00:00 +0000
| Type | Values Removed | Values Added |
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| 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. | |
| References |
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| Metrics |
cvssV3_0
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Projects
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Status: PUBLISHED
Assigner: atlassian
Published:
Updated: 2026-01-28T14:49:56.282Z
Reserved: 2026-01-01T00:00:40.720Z
Link: CVE-2026-21569
Updated: 2026-01-28T14:49:49.903Z
Status : Received
Published: 2026-01-28T01:16:14.187
Modified: 2026-01-28T15:16:17.670
Link: CVE-2026-21569
No data.
OpenCVE Enrichment
Updated: 2026-01-28T12:21:45Z