Security Bulletin - April 21 2026 | Atlassian Support | Atlassian Documentation

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Publisherconfluence.atlassian.com

Article IDNo stable ID in source URL

Verified snapshot27 Sept 2026, 14:00 UTC

Linked CVEs1

Linked CVE reports

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CVE-2026-21571This Critical severity OS Command Injection vulnerability was introduced in versions 9.6.0, 10.0.0, 10.1.0, 10.2.0, 11.0.0, 11.1.0, 12.0.0, and 12.1.0 of Bamboo Data Center

Source and provenance

Original title: Security Bulletin - April 21 2026 | Atlassian Support | Atlassian Documentation. Captured 27 Sept 2026, 14:00 UTC. The stored article is used for enrichment and change detection; BlackTree does not republish the publisher's full text here.

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