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The Register
Cluster tech vulnerability means either patching or port tinkering could be on the cards Atlassian has demonstrated the interconnectedness of all things with a that some versions of Bitbucket Data Center and Confluence Data Center require patching courtesy of the Hazelcast Java deserialization vulnerability.… warning
The Hacker News
Threat actors have begun to exploit a newly disclosed critical security flaw impacting Atlassian Data Center products that could allow access to sensitive files under certain conditions. The arbitrary file access flaw, tracked as CVE-2026-21589 (CVSS score: 9.3) affects multiple products, including Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software
The Hacker News
Threat actors are actively exploiting a now-patched, critical security flaw impacting the Atlassian Confluence Data Center and Confluence Server to conduct illicit cryptocurrency mining on susceptible instances. "The attacks involve threat actors that employ methods such as the deployment of shell scripts and XMRig miners, targeting of SSH endpoints, killing competing crypto mining processes,
The Hacker News
Threat actors are exploiting unpatched Atlassian servers to deploy a Linux variant of Cerber (aka C3RB3R) ransomware. The attacks leverage CVE-2023-22518 (CVSS score: 9.1), a critical security vulnerability impacting the Atlassian Confluence Data Center and Server that allows an unauthenticated attacker to reset Confluence and create an administrator account. Armed with this access, a
The Hacker News
Malicious actors have begun to actively exploit a recently disclosed critical security flaw impacting Atlassian Confluence Data Center and Confluence Server, within three days of public disclosure. Tracked as CVE-2023-22527 (CVSS score: 10.0), the vulnerability impacts out-of-date versions of the software, allowing unauthenticated attackers to achieve remote code execution on susceptible
The Register
If you're still running a vulnerable instance then 'assume a breach' More than 600 IP addresses are launching thousands of exploit attempts against CVE-2023-22527 – a critical bug in out–of-date versions of Atlassian Confluence Data Center and Server – according to non-profit security org Shadowserver.…
Bleeping Computer
Atlassian Confluence Data Center and Confluence Server are vulnerable to a critical remote code execution (RCE) vulnerability that impacts versions released before December 5, 2023, including out-of-support releases. [...]
The Hacker News
Cybersecurity researchers have discovered a stealthy backdoor named Effluence that's deployed following the successful exploitation of a recently disclosed security flaw in Atlassian Confluence Data Center and Server. "The malware acts as a persistent backdoor and is not remediated by applying patches to Confluence," Aon's Stroz Friedberg Incident Response Services said in an analysis published
The Register
Attackers secure admin rights after vendor said they could only steal data Atlassian reassessed the severity rating of the recent improper authorization vulnerability in Confluence Data Center and Server, raising the CVSS score from 9.1 to a maximum of 10.…
Dark Reading
Active ransomware attacks against vulnerable Atlassian Confluence Data Center and Servers ratchets up risk to enterprises, now reflected in the bug's revised CVSS score of 10.