CVE-2026-21570CWE-94code-injection

CVE-2026-21570

High · published March 17, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
47.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00593 · 47.7th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-03-17T22:16Z
Affected products (3)
ProductVersionsFixed in
atlassian/bamboo≥ 9.6.1, < 9.6.249.6.24
atlassian/bamboo≥ 10.0.0, < 10.2.1610.2.16
atlassian/bamboo≥ 11.0.0, < 12.1.312.1.3
References (2)
EPSS history
Timeline
  • 17 MAR 18:00Z
    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…
    cvelistv5