VulnSocial

CVE-2026-21570Disclosure(atlassian / bamboo)

LOWCVSS 8.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch atlassian bamboo systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD 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.

atlassian CVEsBack to dashboard
0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-94

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • bamboo

Threat summary

  • Patch or workaround signal is available
  • 6 mentions across 5 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 5 signals
  • Disclosure: 3 classified signals
  • General: 1 classified signal
  • Peaked 4d ago at 2 mentions (2026-03-17); latest day: 1
  • 6 total mentions across 5 days

Affected systems

Vendors
atlassian
Products
bamboo

Deep dive

Activity timeline6 mentions / 5d
01122Mentions · 2026-03-17: 2Mentions · 2026-03-18: 1Mentions · 2026-03-19: 1Mentions · 2026-03-25: 1Mentions · 2026-03-27: 1Patch / Workaround · 2026-03-18: 1Patch / Workaround · 2026-03-19: 1Technical Details · 2026-03-17: 2Technical Details · 2026-03-18: 1Technical Details · 2026-03-19: 1Technical Details · 2026-03-27: 103-1703-1803-1903-2503-27
Signal classification3 categories
Disclosure
350.0%
Patch
233.3%
General
116.7%
Referenced assets10 URLs
Classification over time
DateTotalLabels
2026-03-172
Disclosure2
2026-03-181
Patch1
2026-03-191
Patch1
2026-03-251
Disclosure1
2026-03-271
General1
Full discourse6 posts
  • Gray Hats@the_yellow_fall
    Patch

    Atlassian warns of a high-severity RCE vulnerability (CVE-2026-21570) in Bamboo Data Center. Patch now to secure your CI/CD pipelines from malicious code. #AtlassianBamboo #CVE #RCE #CyberSecurity #DevSecOps #InfoSec #Vulnerability #PatchAlert #CICD https://securityonline.info/high-severity-rce-flaw-atlassian-bamboo-data-center-cve-2026-21570/ https://t.co/1BMx4aMzIx

    Post summary

    Atlassian warns about a high‑severity RCE flaw (CVE-2026-21570) in Bamboo Data Center and urges users to apply the available patch.

    02054400
    10.7K followersView on X
  • CERT-PY@CERTpy
    Disclosure

    ⚠️ Vulnerabilidad en productos Atlassian ❗ CVE-2026-21570 ➡️ Más info: https://www.cert.gov.py/vulnerabilidad-en-productos-atlassian-2/ https://t.co/ygK2Zo34gp

    Post summary

    The message announces a CVE‑2026‑21570 vulnerability affecting Atlassian products and directs readers to external links for additional information.

    01001164
    6.6K followersView on X
  • iototsecnews@iototsecnews
    General

    Bamboo Data Center の脆弱性 CVE-2026-21570 が FIX：ホスト上での RCE の恐れ https://iototsecnews.jp/2026/03/20/bamboo-data-center-and-server-vulnerability-let-attackers-execute-remote-code/ Atlassian の Bamboo Data Center における、リモートコード実行 (RCE) の脆弱性 CVE-2026-21570 について解説する記事です。この問題の原因は、 Bamboo アプリケーションが動作するサーバ上において、 外部からの不正なコマンド実行を許してしまうプログラム上の不備にあります。 具体的な悪用手法の詳細は伏せられていますが、 この欠陥を突く認証済みのリモート攻撃者により、 システムの基盤となるホストが完全に制御される恐れがあります。ご利用のチームは、ご注意ください。 #Atlassian #BambooDataCenter #CVE202621570 #Vulnerability

    Post summary

    The post explains Atlassian Bamboo Data Center’s RCE vulnerability CVE‑2026‑21570, noting its potential impact, but provides no PoC, exploit, patch, or evidence of active exploitation.

    01000132
    481 followersView on X
  • dbugs@ptdbugs
    Patch

    CVE: CVE-2026-21570 PT-Identifier: PT-2026-25921 Vendor: Atlassian Product: Bamboo Data Center CVSS: 8.6 Credits: n/a 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. References: • https://dbugs.ptsecurity.com/vulnerability/CVE-2026-21570 • https://confluence.atlassian.com/pages/viewpage.action?pageId=1721271371 • https://jira.atlassian.com/browse/BAM-26342 #dbugs_vuln

    Post summary

    Atlassian issued a patch advisory for CVE‑2026‑21570, a high‑severity RCE in Bamboo Data Center, providing affected versions and upgrade instructions; no evidence of active exploitation is presented.

    01000195
    633 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-21570 Remote Code Execution Vulnerability in Bamboo Data Center Versions 9.6.0-12.1.0 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-21570

    Post summary

    CVE‑2026‑21570 is a newly disclosed remote code execution vulnerability affecting Bamboo Data Center versions 9.6.0 through 12.1.0.

    0000050
    4.0K followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-21570 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 D… https://www.cve.org/CVERecord?id=CVE-2026-21570

    Post summary

    The snippet refers to CVE‑2026‑21570, a high‑severity RCE vulnerability affecting multiple Bamboo D versions, without indicating PoC, exploitation, patch, or false‑positive claims.

    00000108
    56.7K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appatlassianbamboo---

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