PYSEC-2026-408 MCP Atlassian has an arbitrary file write leading to arbitrary code execution via unconstrained download_path in confluence_download_attachment

Summary The confluencedownloadattachment MCP tool accepts a downloadpath parameter that is written to without any directory boundary enforcement. An attacker who can call this tool and supply or access a Confluence attachment with malicious content can write arbitrary content to any path the serv...

DoS (Denial of Service) ws Dependency in Confluence Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 9.0.1, 9.1.0, 9.2.3, and 9.4.0 of Confluence Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H allows an unauthenticate...

EUVD-2026-37066

syracom AG Secure Login 2FA for Atlassian Jira, Confluence, and Bitbucket 3.4.0.x contains an authentication bypass vulnerability. An attacker with valid credentials for a user account can bypass the two-factor authentication flow by sending HTTP requests with a crafted User-Agent header containi...

CVE-2026-12225

CVE-2026-12225 affects syracom Secure Login (2FA) for Atlassian Jira, Confluence and Bitbucket (v3.4.0.x). The vulnerability enables an authentication bypass: an attacker with valid credentials can bypass 2FA by sending requests with a crafted User-Agent (e.g., AtlassianMobileApp, JIRA), allowing...

CVE-2026-12225 syracom Secure Login (2FA) for Confluence allows 2FA bypass via spoofed User-Agent

syracom AG Secure Login 2FA for Atlassian Jira, Confluence, and Bitbucket 3.4.0.x contains an authentication bypass vulnerability. An attacker with valid credentials for a user account can bypass the two-factor authentication flow by sending HTTP requests with a crafted User-Agent header containi...

Atlassian Confluence Server - Improper Authorization

All versions of Confluence Data Center and Server are affected by this unexploited vulnerability. There is no impact to confidentiality as an attacker cannot exfiltrate any instance data. Atlassian Cloud sites are not affected by this vulnerability. If your Confluence site is accessed via an...

Confluence Server - Remote Code Execution

Confluence Server and Data Center contain an OGNL injection vulnerability that could allow an authenticated user, and in some instances an unauthenticated user, to execute arbitrary code on a Confluence Server or Data Center instance. The affected versions are before version 6.13.23, from version...

Atlassian Confluence - Remote Code Execution

A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. Customers using an affected version must take immediate action. Most recent supported versions of Confluence Data Center and Server...

PT-2026-49655

Name of the Vulnerable Software and Affected Versions syracom AG Secure Login 2FA for Atlassian Jira, Confluence, and Bitbucket versions 3.4.0.x Description An authentication bypass exists where an attacker with valid user credentials can circumvent the two-factor authentication 2FA flow. By...

Information Disclosure org.apache.tomcat:tomcat-websocket Dependency in Confluence Data Center

This High severity Information Disclosure vulnerability was introduced in versions 6.13.0, 7.4.0, 7.13.0, 7.19.0, 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, 10.1.1, and 10.2.0 of Confluence Data Center. This Information Disclosure vulnerability, with a CVSS Score of 7.3 and a...

Injection io.netty:netty-codec-dns Dependency in Confluence Data Center

This is a vulnerability in a non-Atlassian Confluence dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk. This Critical severity Injection vulnerability was introduced in versions 7.0.1, 7.4.0, 7.13.0, 7.19.0, 8.5.0, 8.9.0, 9.0.1, 9.1.0, 9.2.0,...

DoS (Denial of Service) minimatch Dependency in Confluence Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 8.9.0, 9.0.1, 9.0.3, 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, with a CVSS Score of 7.5 and a CVSS Vector of...

HTTP Request Smuggling io.netty:netty-codec-http Dependency in Confluence Data Center

This High severity HTTP Request Smuggling vulnerability was introduced in versions 7.0.1, 7.4.0, 7.13.0, 7.19.0, 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 HTTP Request Smuggling vulnerability, with a CVSS Score of 7.5 and a...

HTTP Request Smuggling io.netty:netty-codec-http Dependency in Confluence Data Center

This is a vulnerability in a non-Atlassian Confluence dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk. This High severity HTTP Request Smuggling vulnerability was introduced in versions 7.0.1, 7.4.0, 7.13.0, 7.19.0, 8.5.0, 8.9.0, 9.0.1, 9.1.0,...

Business Logic Vulnerability Apache Tomcat Dependency in Confluence Data Center

This High severity Business Logic vulnerability was introduced in versions 6.13.0, 7.4.0, 7.13.0, 7.19.0, 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 Business Logic vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of...

DoS (Denial of Service) org.apache.tomcat:tomcat-catalina Dependency in Confluence Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 6.13.0, 7.4.0, 7.13.0, 7.19.0, 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 DoS Denial of Service vulnerability, with a CVSS Score of 7.5 and a...

BASM (Broken Authentication & Session Management) org.apache.tomcat:tomcat-catalina Dependency in Confluence Data Center and Server

This is a vulnerability in a non-Atlassian Confluence dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk. This Critical severity BASM Broken Authentication & Session Management vulnerability was introduced in versions 6.13.0, 7.4.0, 7.13.0, 7.19.0,...

Improper Authorization org.apache.tomcat:tomcat-catalina Dependency in Confluence Data Center

This is a vulnerability in a non-Atlassian Confluence dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk. This Critical severity Improper Authorization vulnerability was introduced in versions 6.13.0, 7.4.0, 7.13.0, 7.19.0, 8.5.0, 8.9.0, 9.0.1,...

Injection org.apache.tomcat:tomcat-coyote Dependency in Confluence Data Center

This is a vulnerability in a non-Atlassian Confluence dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk. This Critical severity Injection vulnerability was introduced in versions 6.13.0, 7.4.0, 7.13.0, 7.19.0, 8.5.0, 8.9.0, 9.0.1, 9.1.0, 9.2.0,...

Restricted page for a user is getting displayed in "Recently Updated" macro.

h3. Issue Summary Restricted page for a user is getting displayed in "Recently Updated" macro. h3. Steps to Reproduce In confluence 10.2.x create 3 normal users user01, user02, user03. Create a sample space using admin user. Create a page using admin user and add "Recently Updated" macro. Switch ...