CVE-2025-22166High· 7.5▾ TwilightThis High severity DoS (Denial of Service) vulnerability was introduced in version 2.0 of Confluence Data Center. This DoS (Denial of Service) vulnerability, with a CVSS Score of 8.3, allows an attacker to cause a resource to be unava…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.1 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.5%
This High severity DoS (Denial of Service) vulnerability was introduced in version 2.0 of Confluence Data Center.
This DoS (Denial of Service) vulnerability, with a CVSS Score of 8.3, allows an attacker to cause a resource to be unavailable for its intended users by temporarily or indefinitely disrupting services of a host connected to a network.
Atlassian recommends that Confluence Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: Confluence Data Center and Server 8.5: Upgrade to a release greater than or equal to 8.5.25 Confluence Data Center and Server 9.2: Upgrade to a release greater than or equal to 9.2.7 Confluence Data Center and Server 10.0: Upgrade to a release greater than or equal to 10.0.2
See the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center from the download center ([https://www.atlassian.com/software/confluence/download-archives]).
This vulnerability was reported via our Atlassian (Internal) program.
confluence_data_center >= 8.5.0, < 8.5.25confluence_data_center >= 9.2.0, < 9.2.7confluence_data_center >= 10.0.0, < 10.0.2confluence_server >= 8.5.0, < 8.5.25confluence_server >= 9.2.0, < 9.2.7confluence_server >= 10.0.0, < 10.0.2Upgrade past the affected range:
confluence_data_center 10.0.2confluence_server 10.0.2Connected by shared product, vendor, weakness, or advisory.
CVE-2026-22775High· 7.5Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job
CVE-2026-22774High· 7.5Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job
CVE-2025-22168Medium· 4.3Jira Align is vulnerable to an authorization issue
CVE-2026-21588High· 7.1This High severity DoS (Denial of Service) vulnerability was introduced in versions 8.9.0, 9.0.1, 9.1.0, 9.2.0, 9.3.1, 9.4.0, 9.5.1, 10.0.2, 10.1.0, and 10.2.0 of Confluence Data Center. This DoS (Denial of Service) vulnerability, wit…
CVE-2026-21587High· 7.1This High severity Improper Authorization vulnerability was introduced in version 11.3.0 of Jira Service Management Data Center
CVE-2026-21586High· 7.1This High severity Improper Authorization vulnerability was introduced in versions 7.4.0, 7.13.0, 8.5.0, 8.9.0, 9.0.1, 9.1.0, 9.2.0, 9.3.1, 9.4.0, 9.5.1, 10.0.2, 10.1.0, and 10.2.0 of Confluence Data Center. This Improper Authorizatio…