CVE-2026-21570

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-21570
StatePUBLISHED
Assigneratlassian
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-17 18:16:14 UTC
Updated2026-08-10 19:21:35 UTC
DescriptionThis 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.

Risk And Classification

Primary CVSS: v4.0 8.6 HIGH from [email protected]

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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-94 | RCE (Remote Code Execution) | CWE-94 CWE-94 Improper Control of Generation of Code ('Code Injection')

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary8.6HIGHCVSS: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:X/C...
4.0CNADECLARED8.6HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
3.1[email protected]Primary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Atlassian Bamboo All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Atlassian Bamboo Data Center affected 12.1.0 to 12.1.2 Not specified
CNA Atlassian Bamboo Data Center affected 12.0.0 to 12.0.2 Not specified
CNA Atlassian Bamboo Data Center affected 11.0.0 to 11.0.8 Not specified
CNA Atlassian Bamboo Data Center affected 10.2.0 to 10.2.15 Not specified
CNA Atlassian Bamboo Data Center affected 10.1.0 to 10.1.1 Not specified
CNA Atlassian Bamboo Data Center affected 10.0.0 to 10.0.3 Not specified
CNA Atlassian Bamboo Data Center affected 9.6.1 to 9.6.23 Not specified
CNA Atlassian Bamboo Data Center unaffected 12.1.3 Not specified
CNA Atlassian Bamboo Data Center unaffected 10.2.16 Not specified
CNA Atlassian Bamboo Data Center unaffected 9.6.24 Not specified

References

ReferenceSourceLinkTags
jira.atlassian.com/browse/BAM-26342 [email protected] jira.atlassian.com Issue Tracking, Vendor Advisory
confluence.atlassian.com/pages/viewpage.action [email protected] confluence.atlassian.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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