8.1

CVE-2026-21584

This High severity Improper Authorization vulnerability was introduced in versions 10.0.0, 10.1.0, 10.2.0, 11.0.0, 12.0.0, and 12.1.0 of Bamboo Data Center. 
	
	This Improper Authorization vulnerability, with a CVSS Score of 7.6, allows an authenticated attacker to gain unintended access and can lead to the exposure of resources or functionality, possibly providing attackers with sensitive information or even execute arbitrary code. 
	
	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 10.2: Upgrade to a release greater than or equal to 10.2.22
		
		* Bamboo Data Center 12.1: Upgrade to a release greater than or equal to 12.1.10
		
		
	
	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 Penetration Testing program.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Atlassian ≫ Bamboo Version >= 10.0.0 < 10.2.22
Atlassian ≫ Bamboo Version >= 11.0.0 < 12.1.10
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.35% 0.286
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 8.1 2.8 5.2
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Atlassian 7.6 0 0
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/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
CWE-285 Improper Authorization

The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

https://confluence.atlassian.com/pages/viewpage.action?pageId=1821999768
Vendor Advisory
https://jira.atlassian.com/browse/BAM-26468
Vendor Advisory
Issue Tracking