Vulnerability Description
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.
Related Weaknesses (CWE)
References
- https://confluence.atlassian.com/pages/viewpage.action?pageId=1821999768
- https://jira.atlassian.com/browse/CWD-6562
FAQ
What is CVE-2026-21582?
CVE-2026-21582 is a documented vulnerability. 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 & S...
How severe is CVE-2026-21582?
CVSS scoring is not yet available for CVE-2026-21582. Check NVD for updates.
Is there a patch for CVE-2026-21582?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.