Scans for Atlassian vulnerablity (CVE-2026-21589), (Wed, Oct 7th)
2026-10-08T01:23:40Z•b5652d6f3b0899acc1671a60eb148bd9b2144321b1359107c092665cbb3b321c
CVE-2026-21589AtlassianRMM-abuseScreenConnectTTY-logsactive-scanningarbitrary-file-accesshoneypotinformation-disclosurethreat-actor-activity
What happened
SANS Internet Storm Center reports active scanning for Atlassian products associated with CVE-2026-21589, an arbitrary file access vulnerability that may allow unauthenticated or unauthorized attackers to read files from a web application's directory and expose sensitive configuration data. The feed also highlights threat-actor abuse of remote monitoring and management tools, including ScreenConnect, and honeypot observations of post-compromise command activity.
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- sans_isc_diary
- Record identifier
- b5652d6f3b0899acc1671a60eb148bd9b2144321b1359107c092665cbb3b321c
- Enrichment time
- 2026-10-08T01:23:40Z
- AI-assisted enrichment
- Yes
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