Atlassian October bulletin covers 75 third-party product CVEs
Six unique flaws are rated critical, but Atlassian assesses non-critical customer risk and cites no exploitation.
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Stories tagged #atlassian
Canada flags Atlassian Data Center and Server flaws (AV26-1076)
The October 22 alert lists affected Bamboo, Bitbucket, Confluence, Crowd, Fisheye/Crucible, Jira, and Jira Service Management builds.
Atlassian October bulletin lists 176 flaw entries in Jira and Confluence
Critical scores are third-party library ratings; Atlassian says its product risk is lower and not immediately critical.
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U.S. CISA adds Atlassian flaw to its Known Exploited Vulnerabilities catalog
CISA added actively exploited Atlassian CVE-2026-21589 to KEV, ordering federal fixes by October 18, 2026.
CISA Adds One Known Exploited Vulnerability to Catalog
CISA added actively exploited Atlassian flaw CVE-2026-21589, which exposes files to external parties, to the KEV catalog.
CISA lists Atlassian file-access flaw CVE-2026-21589 as exploited
Unauthenticated attackers can read a known file in the web root; federal remediation is due October 18, 2026.
October Patch Tuesday roundup: Over 1,400 Microsoft holes to be plugged, including three zero days
Microsoft's October Patch Tuesday fixes 1,407 CVEs, including an exploited Windows Shell Mark-of-the-Web bypass.
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⚡ Weekly Recap: Helpdesk 0-Days, Rogue Certs, ShinyHunters Arrest, AI-Fooling Malware and More
Attackers exploited critical Atlassian flaw CVE-2026-21589 within hours, alongside arrests, malware updates, and certificate hijacks.
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12th October – Threat Intelligence Report
Check Point's weekly report covers a Denmark registry breach of 8.8 million people, ransomware, and exploited enterprise flaws.
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Week in review: FortiBleed is still active, Patch Tuesday forecast
CISA added an exploited NetScaler flaw to KEV as Atlassian, Exchange, and SonicWall patches landed amid active attacks.
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Attackers Target Critical Atlassian Vulnerability Within Hours of PoC Publication
Attackers probed critical Atlassian CVE-2026-21589 within hours of a public PoC, with 190 honeypot attempts.
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Hackers exploit critical Atlassian flaw after public PoC release
Attackers began exploiting critical Atlassian flaw CVE-2026-21589 within hours of a public proof of concept.
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Atlassian and OpenAI expand partnership to turn enterprise knowledge into action
Atlassian and OpenAI will use GPT-6 models to power agents across Atlassian and Rovo.
Atlassian warns of critical file access flaw in its datacenter products
Atlassian urges patches for CVE-2026-21589, an unauthenticated file-read flaw in eight Data Center products.
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The SaaSpocalypse that wasn’t, with Atlassian CEO Mike Cannon-Brookes
Atlassian CEO Mike Cannon-Brookes argues AI is increasing, not replacing, use of Jira and Trello.
Threat Brief: Atlassian Confluence Remote Code Execution Vulnerability (CVE-2022
Unauthenticated Confluence RCE CVE-2022-26134 was exploited in the wild; Volexity observed intrusions and Cerber ransomware on unpatched servers.
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Researchers Uncover RovoBlast Vulnerability in Atlassian AI Assistant
Atlassian fixed RovoBlast, a flaw letting a single crafted link make its Rovo AI assistant exfiltrate company data.