src_636032c91a0b4c9a97
- Source-provided label
- Not reported
- Evidence class
- mentioned in report
- Confidence
- Not reported
- Observed
- Oct 07, 2026 11:49 UTC
- Retrieved
- Oct 08, 2026 03:52 UTC
Atlassian Data Center Flaw Draws Exploitation Attempts Within Two Hours of Public Details
Threat actors have begun to exploit a newly disclosed critical security flaw impacting Atlassian Data Center products that could allow access to sensitive files under certain conditions. The arbitrary file access flaw, tracked as CVE-2026-21589 (CVSS score: 9.3) affects multiple products, including Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software
Reference details
- Source category
- Research & news
- Report title
Atlassian Data Center Flaw Draws Exploitation Attempts Within Two Hours of Public Details- First reported
- Oct 07, 2026 11:49 UTC
- Last reported
- Oct 07, 2026 11:49 UTC
- Catalog updated
- Oct 08, 2026 03:52 UTC
- Record ID
379357a03643946f6f1de091e90f227a10dc6e06113000b2c2a09b1448278ac1
CVEs mentioned by sources
Published indicators
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Source observations
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Feed collection status
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1 sources: 0 stale, 0 needing attention, 0 paused, 1 unverified.
Review source update dates and status
- src_636032c91a0b4c9a97Collection status unverifiedLast successful batch: Unverified
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