CVE-2026-21582

This High severity BASM (Broken Authentication & Session Management) vulnerability known as CVE-2026-21582 was introduced in version 7.2.1 of Crowd Data Center. This BASM (Broken Authentication & Session Management) vulnerability, with a CVSS Score of 8.8, allows an unauthenticated attacker to perform actions as another user. Atlassian recommends that Crowd Data Center 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 7.2: Upgrade to a release greater than or equal to 7.2.2 See the release notes (https://confluence.atlassian.com/crowd/crowd-release-notes-199094.html). You can download the latest version of Crowd Data Center from the download center (https://www.atlassian.com/software/crowd/download-archive). This vulnerability was reported via our Penetration Testing program.

CVSS

No CVSS.

References

Link	Resource
https://confluence.atlassian.com/pages/viewpage.action?pageId=1821999768
https://jira.atlassian.com/browse/CWD-6562

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-18 22:16

Updated : 2026-08-26 16:46

NVD link : CVE-2026-21582

Mitre link : CVE-2026-21582

CVE.ORG link : CVE-2026-21582

JSON object : View

Products Affected

No product.

CWE

CWE-287

Improper Authentication

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