Atlassian Bamboo Data Center
At a glance
- Source
- NVD
- EPSS
- EPSS 99.48 % · percentile 100 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- atlassian
- NVD status
- Analyzed
Description
This is a vulnerability in Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software Data Center, Bamboo Data Center. Crowd Data Center, Crucible and Fisheye. This Arbitrary File Access vulnerability allows an unauthenticated attacker to access specific files within the web application root directory in affected versions. Exploitation requires prior knowledge of the target file's exact name and path; this vulnerability does not allow attackers to enumerate or list directory contents. In some configurations, there may be some sensitive files that make this highly severe. This vulnerability allows an unauthenticated remote attacker to access specific files within the web application root directory in affected versions. The vulnerability must be addressed for affected versions of: -- Bitbucket Data Center, introduced in version >= 4.6.0, fix versions: 9.4.26, 10.2.8, 10.5.1 -- Confluence Data Center, introduced in version >= 5.10.0, fix versions 9.2.26, 10.2.19 -- Crowd Data Center, introduced in version >= 2.11.0, fix versions 6.3.7, 7.0.3, 7.1.7, 7.2.4 -- Jira Software Data Center, introduced in version >= 7.1.0, fix versions 9.12.40, 10.3.26, 11.3.12 -- Jira Service Management Data Center, introduced in version >= 3.1.0, fix versions 5.12.40, 10.3.26, 11.3.12 -- Bamboo Data Center >= 7.0.1, fix versions 10.2.24, 12.1.12 -- Crucible, fix versions 4.9.15 -- Fisheye, fix version 4.9.15 -- Exploitation requires prior knowledge of the target file's exact name and path. The vulnerability does not include the capability to enumerate or list directory contents.
Weaknesses (CWE)
- CWE-552 — Files or Directories Accessible to External Parties
References
- https://jira.atlassian.com/browse/BAM-26567
- https://jira.atlassian.com/browse/BSERV-20604
- https://jira.atlassian.com/browse/CONFSERVER-104488
- https://jira.atlassian.com/browse/CRUC-8741
- https://jira.atlassian.com/browse/CWD-6610
- https://jira.atlassian.com/browse/FE-7583
- https://jira.atlassian.com/browse/JRASERVER-79546
- https://jira.atlassian.com/browse/JSDSERVER-16809
- https://github.com/watchtowrlabs/watchTowr-vs-Atlassian-CVE-2026-21589
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21589
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 4.0 | CRITICAL 9.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H | atlassian |
| CVSS 4.0 | CRITICAL 9.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H/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 | NVD · security@atlassian.com (Secondary) |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2026-92807
- GCVE · GCVE-0-2026-21589
CERT-FR advisories
- CERTFR-2026-AVI-1264 — Vulnérabilité dans les produits Atlassian · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:atlassian:bitbucket_data_center:*:*:*:*:*:*:*:*≥ 7.17.0 < 9.4.26cpe:2.3:a:atlassian:bitbucket_data_center:*:*:*:*:*:*:*:*≥ 9.5.0 < 10.2.8cpe:2.3:a:atlassian:bitbucket_data_center:*:*:*:*:*:*:*:*≥ 10.3.0 < 10.5.1cpe:2.3:a:atlassian:bitbucket_server:*:*:*:*:*:*:*:*≥ 4.6.0 ≤ 8.14.6cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*≥ 5.10.0 < 9.2.26cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*≥ 9.3.0 < 10.2.19cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*≥ 2.11.0 < 6.3.7cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*≥ 7.0.0 < 7.0.3cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*≥ 7.1.0 < 7.1.7cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*≥ 7.2.0 < 7.2.4cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*≥ 7.1.0 < 9.12.40cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*≥ 9.13.0 < 10.3.26cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*≥ 10.4.0 < 11.3.12cpe:2.3:a:atlassian:jira_service_desk:*:*:*:*:data_center:*:*:*≥ 3.1.0 ≤ 4.13.27cpe:2.3:a:atlassian:jira_service_management:*:*:*:*:data_center:*:*:*≥ 4.14.0 < 5.12.40cpe:2.3:a:atlassian:jira_service_management:*:*:*:*:data_center:*:*:*≥ 5.13.0 < 10.3.26cpe:2.3:a:atlassian:jira_service_management:*:*:*:*:data_center:*:*:*≥ 10.4.0 < 11.3.12cpe:2.3:a:atlassian:bamboo:*:*:*:*:*:*:*:*≥ 7.0.1 < 10.2.24cpe:2.3:a:atlassian:bamboo:*:*:*:*:*:*:*:*≥ 11.0.0 < 12.1.12cpe:2.3:a:atlassian:crucible:*:*:*:*:*:*:*:*< 4.9.15cpe:2.3:a:atlassian:fisheye:*:*:*:*:*:*:*:*< 4.9.15
Affected products
| Product | Versions |
|---|---|
| Atlassian · Bamboo Data Center | affected All other versions ; unaffected Patch version 10.2.24 and later ; unaffected Patch version 12.1.12 and later |
| Atlassian · Bitbucket Data Center | affected All other versions ; unaffected Patch version 10.2.8 and later ; unaffected Patch version 10.5.1 and later ; unaffected Patch version 9.4.26 and later |
| Atlassian · Confluence Data Center | affected All other versions ; unaffected Patch version 10.2.19 and later ; unaffected Patch version 9.2.26 and later |
| Atlassian · Crowd Data Center | affected All other versions ; unaffected Patch version 7.2.4 and later ; unaffected Patch version 7.1.7 and later ; unaffected Patch version 7.0.3 and later ; unaffected Patch version 6.3.7 and later |
| Atlassian · Crucible Data Center | affected All other versions ; unaffected Patch version 4.9.15 and later |
| Atlassian · Fisheye Data Center | affected All other versions ; unaffected Patch version 4.9.15 and later |
| Atlassian · Jira Service Management Data Center | affected All other versions ; unaffected Patch version 11.3.12 and later ; unaffected Patch version 10.3.26 and later ; unaffected Patch version 5.12.40 and later |
| Atlassian · Jira Software Data Center | affected All other versions ; unaffected Patch version 11.3.12 and later ; unaffected Patch version 10.3.26 and later ; unaffected Patch version 9.12.40 and later |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| CISA Known Exploited Vulnerabilities | CC0 1.0 |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |