CVE-2021-26086

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Summary

CVECVE-2021-26086
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-08-16 01:15:00 UTC
Updated2022-03-30 13:13:00 UTC
DescriptionAffected versions of Atlassian Jira Server and Data Center allow remote attackers to read particular files via a path traversal vulnerability in the /WEB-INF/web.xml endpoint. The affected versions are before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1.

Risk And Classification

EPSS: 0.999990000 probability, percentile 0.999920000 (date 2026-07-22)

CISA KEV: Listed on 2024-11-12; due 2024-12-03; ransomware use Unknown

Problem Types: CWE-22

CISA Known Exploited Vulnerability

VendorAtlassian
ProductJira Server and Data Center
NameAtlassian Jira Server and Data Center Path Traversal Vulnerability
Required ActionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Noteshttps://jira.atlassian.com/browse/JRASERVER-72695 ; https://nvd.nist.gov/vuln/detail/CVE-2021-26086

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Atlassian Data Center All All All All
Application Atlassian Jira All All All All
Application Atlassian Jira Data Center All All All All
Application Atlassian Jira Server All All All All

References

ReferenceSourceLinkTags
[JRASERVER-72695] Limited Remote File Read/Include in Jira Software Server - CVE-2021-26086 - Create and track feature requests for Atlassian products. MISC jira.atlassian.com
Atlassian Jira Server/Data Center 8.4.0 File Read ≈ Packet Storm MISC packetstormsecurity.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Legacy QID Mappings

  • 150371 Atlassian Jira Server and Data Center Arbitrary File Read (CVE-2021-26086)
  • 730154 Atlassian Jira Server And Data Center Path traversal Vulnerability(JRASERVER-72695)

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