CVE-2017-9513: Atlassian Activity Streams

Medium severity, CVSS 5.4. EPSS: 0.7% chance of exploitation in the next 30 days.

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.

Affected products

• Atlassian Activity Streams: before 6.3.0 (fixed in 6.3.0)

Published 2018-01-29. Last modified 2026-06-17.