EUVD-2026-12590

| CVE-2026-21570 HIGH
2026-03-17 atlassian
8.6
CVSS 4.0
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CVSS Vector

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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None

Lifecycle Timeline

3
Analysis Generated
Mar 17, 2026 - 20:30 vuln.today
EUVD ID Assigned
Mar 17, 2026 - 20:30 euvd
EUVD-2026-12590
CVE Published
Mar 17, 2026 - 18:00 nvd
HIGH 8.6

Description

This High severity RCE (Remote Code Execution)  vulnerability was introduced in versions 9.6.0, 10.0.0, 10.1.0, 10.2.0, 11.0.0, 11.1.0, 12.0.0, and 12.1.0 of Bamboo Data Center. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 8.6, allows an authenticated attacker to execute malicious code on the remote system. Atlassian recommends that Bamboo Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: Bamboo Data Center 9.6: Upgrade to a release greater than or equal to 9.6.24 Bamboo Data Center 10.2: Upgrade to a release greater than or equal to 10.2.16 Bamboo Data Center 12.1: Upgrade to a release greater than or equal to 12.1.3 See the release notes ([https://confluence.atlassian.com/bambooreleases/bamboo-release-notes-1189793869.html]). You can download the latest version of Bamboo Data Center from the download center ([https://www.atlassian.com/software/bamboo/download-archives]). This vulnerability was reported via our Atlassian (Internal) program.

Analysis

Remote code execution in Atlassian Bamboo Data Center versions 9.6.0 through 12.1.0 allows authenticated attackers with high privileges to execute arbitrary code on affected systems with a CVSS score of 8.6. The vulnerability impacts multiple major versions with no patch currently available, requiring immediate upgrade to patched releases such as 9.6.24, 10.2.16, or 12.1.3. …

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Remediation

Within 24 hours: Audit all Bamboo Data Center instances to identify affected versions (9.6.0-12.1.0). Restrict administrative access and review recent user activity logs for suspicious behavior. …

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Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: +0.6
CVSS: +43
POC: 0

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EUVD-2026-12590 vulnerability details – vuln.today

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