Stormshield SNS protections for Bitbucket, Confluence, Jira Service Management, Jira Software, Bamboo. Crowd, Crucible and Fisheye (CVE-2026-21589)

This Arbitrary File Access vulnerability allows an unauthenticated attacker to access specific files within the web application root directory in affected versions.

Stormhield Network Security (SNS) appliance protects you from that attack, thanks to a dedicated IPS Signature.