Input validation error in Bamboo Data Center - CVE-2026-21570

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Main Vulnerability Database Vulnerabilities #VU124086

Input validation error in Bamboo Data Center - CVE-2026-21570

Published: March 17, 2026


Vulnerability identifier: #VU124086
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-21570
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Atlassian
Affected software:
Bamboo Data Center

Detailed vulnerability description

The vulnerability allows a remote user to execute arbitrary code on the system.

The vulnerability exists due to insufficient validation of user-supplied input. A remote privileged user can send specially crafted data to the application and execute arbitrary code on the system.


How to mitigate CVE-2026-21570

Install updates from vendor's website.

Sources