CVE-2026-21589

Everything Threat Times has reported about CVE-2026-21589: 2 stories, newest first. Part of our Malware & Ransomware coverage.

Malware & Ransomware

Atlassian Data Center Flaw Exploited Two Hours After Disclosure

Threat TimesOct 13, 2026

Threat actors tested a critical file-access vulnerability in Atlassian products within hours of technical details becoming public, according to monitoring firm watchTowr.

Vulnerabilities

Atlassian Data Center Flaw Exploited Within Hours of CVE-2026-21589 Disclosure

Threat TimesOct 8, 2026

Threat actors are actively exploiting a critical, unauthenticated file-read vulnerability across eight Atlassian Data Center products shortly after public details emerged.