**Source : Bleeping Computer | 6 octobre 2026** Atlassian is warning customers of a critical vulnerability, tracked as CVE-2026-21589, that can be exploited for arbitrary file-access in multiple self-hosted Data Center products, including Confluence, Jira, and Bitbucket. [...] 👉 **Lire l'article complet sur Bleeping Computer :** [https://www.bleepingcomputer.com/news/security/atlassian-warns-of-critical-file-access-flaw-in-jira-confluence/](https://www.bleepingcomputer.com/news/security/atlassian-warns-of-critical-file-access-flaw-in-jira-confluence/)