Scans for Atlassian vulnerablity (CVE-2026-21589), (Wed, Oct 7th)
2026-10-07T19:23:40Z•5bdf812da93a7f92d0b063bf1711bbf74e889a75bee7062554a6da6956188b2c
CVE-2026-21589AtlassianRMM-abuseScreenConnectarbitrary-file-accesshoneypotinformation-disclosureremote-management-toolsthreat-activityvulnerability-scanning
What happened
SANS Internet Storm Center reports observed scanning for Atlassian products targeting CVE-2026-21589, an arbitrary file access vulnerability that may allow attackers to read sensitive files from a web application directory, including configuration data. The feed also highlights abuse of remote management and monitoring tools by threat actors, including ScreenConnect, and monitoring of attacker activity through TTY logs.
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- sans_isc_diary
- Record identifier
- 5bdf812da93a7f92d0b063bf1711bbf74e889a75bee7062554a6da6956188b2c
- Enrichment time
- 2026-10-07T19:23:40Z
- AI-assisted enrichment
- Yes
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