CVE-2026-21575

highpriority · track · 32EPSS 0.006 · 48 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.59% (48th) EPSS

CVSS 8 · high

Is it mine?

15 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-26

This High severity RCE (Remote Code Execution) vulnerability was introduced in version 3.4.11 of Sourcetree for Mac and Sourcetree for Windows. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 7.1, allows an authenticated attacker to execute arbitrary code which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires user interaction. Atlassian recommends that Sourcetree for Mac and Sourcetree for Windows customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: * Sourcetree for Mac and Sourcetree for Windows 3.4: Upgrade to a release greater than or equal to 3.4.13 See the release notes (https://www.sourcetreeapp.com/download-archives). You can download the latest version of Sourcetree for Mac and Sourcetree for Windows from the download center (https://www.sourcetreeapp.com/download-archives). This vulnerability was reported via our Bug Bounty program.

cvss

Technical severity, 0–10. One row per scoring source.

8.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.1 · impact 5.9

v3.07.1highCVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.07.1highCVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:Hsecondary · security@atlassian.comexploitability 1.2 · impact 5.9

v3.17.3highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-94US

affected products (15)

Products and version ranges known to be affected.

Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Atlassian Bamboo≤ LTS <10.2.21cert_bundDE
Atlassian Bamboo≤ LTS <12.1.9cert_bundDE
Atlassian Bitbucket≤ LTS <10.3.2cert_bundDE
Atlassian Bitbucket≤ LTS <9.4.22cert_bundDE
Atlassian Confluence≤ LTS <9.2.22cert_bundDE
Atlassian Confluence≤ LTS <10.2.14cert_bundDE
Atlassian Crucible< 4.9.12cert_bundDE
Atlassian Fisheye< 4.9.12cert_bundDE
Atlassian Jira≤ LTS <10.3.23cert_bundDE
Atlassian Jira≤ LTS <11.3.8cert_bundDE
Dell Secure Connect Gateway< 5.36.00.16cert_bundDE
Atlassian Sourcetree for Mac≤ All versions from 3.4.11 to 3.4.12 inclusiveenisa_euvdEU
atlassian sourcetree3.4.11 → 3.4.13nvdUScpe:2.3:a:atlassian:sourcetree:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-2460Atlassian Bamboo, Bitbucket, Confluence, Fisheye, Crucible, Jira und Jira Service Management: Mehrere SchwachstellenDeutsch2026-07-21csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Atlassian Bamboo, Bitbucket, Confluence, Fisheye, Crucible, Jira und Jira Service Management ausnutzen, um beliebigen Code auszuführen, erweiterte Berechtigungen zu erlangen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand auszulösen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2026-07-21modified 2026-10-24

references (6)

External citations — patches, advisories, analysis.

scry

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