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Watch Towr Vs Atlassian CVE 2026 21589

Watch Towr Vs Atlassian CVE 2026 21589

github.com • October 7, 2026

Detection Artifact Generator attempts to check if the target is vulnerable to CVE-2026-21589. Detection is implemented for following products:

You need to provide following inputs:

Sample run against vulnerable Jira instance:

Sample run against patched instance:

This script attempts to detect if Jira/Confluence/Bitbucket is vulnerable to CVE-2026-21589 Arbitrary File Read vulnerability.

Full version of affected versions can be found here vendor advisory :

According to the official advisory, patched versions are:

Bitbucket Data Center 9.4.26 10.2.8 10.5.1

Bitbucket Data Center

Confluence Data Center 9.2.26 10.2.19

Confluence Data Center

Jira Service Management Data Center 5.12.40 10.3.26 11.3.12

Jira Service Management Data Center

Jira Software Data Center 9.12.40 10.3.26 11.3.12

Jira Software Data Center

Bamboo Data Center 10.2.24 12.1.12

Crowd Data Center 6.3.7 7.0.3 7.1.7 7.2.4

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