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CVE-2021-26086: Atlassian Jira Server and Data Center Path Traversal Vulnerability
Atlassian Jira Server and Data Center · in CISA KEV since 2024-11-12
2024-11-12added to KEV
2024-12-03federal remediation due date
100.00%EPSS exploit probability (30 days) 100.0th percentile
5.3 MEDIUMCVSS 3.1
Unknownknown ransomware use
1,184days from NVD publication to KEV
What it is
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 (CISA)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
| CWE | CWE-22 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD published | 2021-08-16 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2021-26086.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.