CVE-2026-21571

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

April 22, 2026

Last Seen

April 22, 2026

API

Exploited in Wild

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Ransomware Use

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Public Exploits

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Attack Vector

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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Critical OS Command Injection Vulnerability in Atlassian Bamboo Disclosed75.8

Atlassian has announced two critical vulnerabilities in its Bamboo Data Center and Server product, including a severe OS command injection flaw (CVE-2026-21571) and a high-severity denial-of-service issue. The command injection vulnerability, which has a CVSS score of 9.4, allows authenticated attac...

Public Exploits

Checking GitHub for proof-of-concept code…

Related Clusters (1)

Critical OS Command Injection Vulnerability in Atlassian Bamboo Disclosed

Apr 22·2 sources

Related Entities

Command Injection Denial of Service Zero-day Exploit Atlassian CWE-78 - OS Command Injection T1059 - Command and Scripting Interpreter Atlassian Bamboo Server Atlassian Bamboo Data Centre Atlassian Bamboo Data Center

CVE-2026-21571

Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Public Exploits

CVE Details

Related Clusters (1)

Critical OS Command Injection Vulnerability in Atlassian Bamboo Disclosed

Related Articles (2)

Critical Bamboo Data Centre and Server Flaw Enables Command Injection Attacks

Critical Atlassian Bamboo Data Center and Server Flaw Enables Command Injection Attacks

Related Entities