CVE-2026-21589Published
This is a vulnerability in Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software Data Center, Bamboo Data Center. Crowd Data Center, Crucible and Fisheye. This Arbitrary File Access vulnerability …
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-21589 · Microsoft / collected KEV context
cve-program · CVE-2026-21589
- https://jira.atlassian.com/browse/BAM-26567
- https://jira.atlassian.com/browse/BSERV-20604
- https://jira.atlassian.com/browse/CONFSERVER-104488
- https://jira.atlassian.com/browse/CRUC-8741
- https://jira.atlassian.com/browse/CWD-6610
- https://jira.atlassian.com/browse/FE-7583
- https://jira.atlassian.com/browse/JRASERVER-79546
- https://jira.atlassian.com/browse/JSDSERVER-16809
Related operational evidence
Explicit CVE identifiers- Atlassian Multiple Products Files or Directories Accessible to External Parties Vulnerability · Atlassian · exploited, added to CISA KEV · 15 Oct 2026
- WAF - WAF Release - 2026-10-12 · Security advisory · 12 Oct 2026
- Jira Service Management Data Center: Arbitrary File Access (CVE-2026-21589) · Security advisory · 5 Oct 2026