Atlassian Crowd and Crowd Data Center - Unauthenticated Remote Code Execution

Atlassian Crowd and Crowd Data Center is susceptible to a remote code execution vulnerability because the pdkinstall development plugin is incorrectly enabled in release builds. Attackers who can send unauthenticated or authenticated requests to a Crowd or Crowd Data Center instance can exploit...

EUVD-2026-62206

This High severity BASM Broken Authentication & Session Management vulnerability known as CVE-2026-21582 was introduced in version 7.2.1 of Crowd Data Center. This BASM Broken Authentication & Session Management vulnerability, with a CVSS Score of 8.8, allows an unauthenticated attacker to perfor...

CVE-2026-21582

This High severity BASM Broken Authentication & Session Management vulnerability known as CVE-2026-21582 was introduced in version 7.2.1 of Crowd Data Center. This BASM Broken Authentication & Session Management vulnerability, with a CVSS Score of 8.8, allows an unauthenticated attacker to perfor...

CVE-2026-21582

Crowd Data Center 7.2.1 has a Broken Authentication & Session Management flaw (CVSS 8.8) letting unauthenticated attackers act as other users; Atlassian advises upgrading to 7.2.2 or later . No exploitation details are provided in the documents.

CVE-2026-21582

This High severity BASM Broken Authentication & Session Management vulnerability known as CVE-2026-21582 was introduced in version 7.2.1 of Crowd Data Center. This BASM Broken Authentication & Session Management vulnerability, with a CVSS Score of 8.8, allows an unauthenticated attacker to perfor...

PT-2026-78243

Name of the Vulnerable Software and Affected Versions Crowd Data Center version 7.2.1 Description An issue involving Broken Authentication and Session Management BASM allows an unauthenticated attacker to perform actions as another user. Recommendations Upgrade to version 7.2.2 or a later release...

BASM (Broken Authentication & Session Management) in Crowd Data Center

This High severity BASM Broken Authentication & Session Management vulnerability known as CVE-2026-21582 was introduced in version 7.2.1 of Crowd Data Center. This BASM Broken Authentication & Session Management vulnerability, with a CVSS Score of 8.8, allows an unauthenticated attacker to perfor...

DOM-based XSS org.springframework:spring-webmvc Dependency in Crowd Data Center

This High severity DOM-based XSS vulnerability was introduced in versions 7.0.0, 7.1.0, and 7.2.0 of Crowd Data Center. This DOM-based XSS vulnerability, with a CVSS Score of 7.1 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N allows an unauthenticated attacker to execute...

DoS (Denial of Service) org.springframework:spring-webmvc Dependency in Crowd Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 7.0.0, 7.1.0, and 7.2.0 of Crowd 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 unauthenticated attacker t...

RCE (Remote Code Execution) c3p0 Dependency in Crowd Data Center

This High severity RCE Remote Code Execution vulnerability was introduced in versions 5.3.0, 6.0.0, 6.1.3, 6.2.0, 6.3.1, 7.1.0, and 7.2.0 of Crowd Data Center. This RCE Remote Code Execution vulnerability, with a CVSS Score of 8.9 and a CVSS Vector of CVSS:4.0/AV:A/AC:L/AT:...

DoS (Denial of Service) io.netty:netty-codec-http2 Dependency in Crowd Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 6.2.0, 6.3.0, 7.0.0, 7.1.0, and 7.2.0 of Crowd 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...

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

This High severity HTTP Request Smuggling vulnerability was introduced in versions 6.2.0, 6.3.0, 7.0.0, 7.1.0, 7.2.0 of Crowd Data Center. This HTTP Request Smuggling 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:H/A:N allows an...

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

This is a vulnerability in a non-Atlassian dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk. This Critical severity HTTP Request Smuggling vulnerability was introduced in versions 6.2.0, 6.3.0, 7.0.0, 7.1.0, 7.2.0 of Crowd Data Center. This HTTP...

DoS (Denial of Service) io.netty:netty-codec Dependency in Crowd Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 6.2.0, 6.3.0, 7.0.0, 7.1.0, and 7.2.0 of Crowd 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...

DoS (Denial of Service) org.postgresql:postgresql Dependency in Crowd Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 6.0.0, 6.1.0, 6.2.0, 6.3.6, 7.0.0, 7.1.0, and 7.2.0 of Crowd 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 a...

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

This is a vulnerability in a non-Atlassian dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk. This Critical severity HTTP Request Smuggling vulnerability was introduced in versions 6.2.0, 6.3.0, 7.0.0, 7.1.0, 7.2.0 of Crowd Data Center. This HTTP...

Business Logic Vulnerability org.springframework.security:spring-security-web Dependency in Crowd Data Center

This is a vulnerability in a non-Atlassian dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk. This Critical severity Business Logic vulnerability was introduced in versions 5.3.0, 6.0.0, 6.1.0, 6.2.0, 6.3.0, 7.0.1, 7.1.0 of Crowd Data Center. This...

DOM-based XSS react-router-dom Dependency in Crowd Data Center

This High severity DOM-based XSS vulnerability was introduced in version 7.1.0 of Crowd Data Center. This DOM-based XSS vulnerability, with a CVSS Score of 8.2 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N allows an unauthenticated attacker to execute arbitrary HTML or...

DoS (Denial of Service) axios Dependency in Crowd Data Center

This High severity RCE Remote Code Execution vulnerability was introduced in versions 5.3.1, 6.0.0, 6.1.3, 6.2.2, 6.3.0, 7.0.0, and 7.1.0 of Crowd Data Center. This RCE Remote Code Execution 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...

DOM-based XSS @remix-run/router Dependency in Crowd Data Center

This High severity DOM-based XSS vulnerability was introduced in version 7.1.0 of Crowd Data Center. This DOM-based XSS vulnerability, with a CVSS Score of 8 and a CVSS Vector of CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N allows an unauthenticated attacker to execute arbitrary HTML or JavaScrip...