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TI-2017-06920 Aliases CVE-2017-9513GHSA-hv3r-96x4-645h

Improper access control in Atlassian Activity Streams

Priority LOW 25CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-284.

Summary

Several rest inline action resources of Atlassian Activity Streams before version 6.3.0 allows remote authenticated attackers to watch any Confluence page & receive notifications when comments are added to the watched page, and vote & watch JIRA issues that they do not have access to, although they will not receive notifications for the issue, via missing permission checks.

Why it matters now

EPSS 0.00656 51st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
AtlassianActivity StreamsAll versions prior to version 6.3.0—No fix listedCNA
  • Activity Streams VendorAtlassian Affected All versions prior to version 6.3.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:atlassian:activity_streams:*:*:*:*:*:*:*:*before 6.3.0VulnerableAtlassian
  • cpe:2.3:a:atlassian:activity_streams:*:*:*:*:*:*:*:* Versions before 6.3.0 Vulnerable ·Atlassian

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-9513
  2. 2026-10-03 Alias added: GHSA-hv3r-96x4-645h
  3. 2026-10-13 EPSS moved to the 50th–90th percentile

References

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences