SOURCE FACT
Atlassian · Jira Server and Data Center
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.
CISA notes
https://jira.atlassian.com/browse/JRASERVER-72695 ; https://nvd.nist.gov/vuln/detail/CVE-2021-26086
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