Critical 1 vendor · 1 advisory

CVE-2026-21571

Unified cross-vendor view: this CVE is referenced by 1 tracked vendor. Each vendor rates and fixes it independently — confirm the impact for your specific products below.

NVD detail CVE.org

Atlassian1 advisory

Critical9.4Confluence: This Critical severity OS Command Injection vulnerability was introduced in versions 9.6.0, 10.0.0, 10.1.0, 10.2.0, 11.0.0, 11.…Apr 21, 2026

CVE-2026-21571 — critical severity, 1 vendor affected · VulniPulse