CVE-2026-21589

En bref

Sévérité
CRITICAL 9.3
Exploitation
Exploitation connue (CISA KEV) · ajoutée le 2026-10-15
Exploitée selon l'ENISA depuis le 2026-10-15
EPSS
EPSS 99.48 % · centile 100 (2026-10-27)
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
atlassian
Statut NVD
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.

Scores

VersionScoreVecteurÉvalué par
CVSS 4.0CRITICAL 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:Hatlassian
CVSS 4.0CRITICAL 9.3CVSS: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:XNVD · security@atlassian.com (Secondary)
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NNVD · nvd@nist.gov (Primary)

Faiblesses (CWE)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Atlassian · Bamboo Data Centeraffected All other versions ; unaffected Patch version 10.2.24 and later ; unaffected Patch version 12.1.12 and later
Atlassian · Bitbucket Data Centeraffected 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 Centeraffected All other versions ; unaffected Patch version 10.2.19 and later ; unaffected Patch version 9.2.26 and later
Atlassian · Crowd Data Centeraffected 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 Centeraffected All other versions ; unaffected Patch version 4.9.15 and later
Atlassian · Fisheye Data Centeraffected All other versions ; unaffected Patch version 4.9.15 and later
Atlassian · Jira Service Management Data Centeraffected 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 Centeraffected 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

Références

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
CISA Known Exploited VulnerabilitiesCC0 1.0
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD