CVE-2021-26086Affected 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.
Updated under an hour ago ()
Does this affect you?
It affects Atlassian Jira Server and 1 other product. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Nov 12, 2024; federal agencies had to remediate by Dec 3, 2024. Treat that date as your deadline.
Do this next
Free account, 1 product
Affected 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.
- CVSS
- 5.3 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weakness (CWE)
- CWE-22
- Known exploited
- Added to CISA KEV Nov 12, 2024; federal remediation due Dec 3, 2024Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 100.00% (percentile 100)
- Assigned by
- atlassian
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.