CVE-2021-26086

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2021-26086

Confirmed

Yes

2024-11-12 00:00 UTC

Timestamps

2024-11-12

2024-11-12

Scope

KEV entry: Atlassian Jira Server and Data Center Path Traversal Vulnerability | Affected: Atlassian / Jira Server and Data Center | Description: Atlassian Jira Server and Data Center contain a path traversal vulnerability that allows a remote attacker to read particular files in the /WEB-INF/web.xml endpoint. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2024-12-03 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://jira.atlassian.com/browse/JRASERVER-72695 ; https://nvd.nist.gov/vuln/detail/CVE-2021-26086

References
  • {'id': 'CVE-2021-26086', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-26086'}

4b3a9f76-0adf-4a9c-9d2d-8847305fda6c

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 13:24 UTC

2026-02-06 07:53 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-22"
  ],
  "date_added": "2024-11-12",
  "due_date": "2024-12-03",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Jira Server and Data Center",
  "vendorProject": "Atlassian",
  "vulnerabilityName": "Atlassian Jira Server and Data Center Path Traversal Vulnerability"
}
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