What’s Vulnerable › Vulnerabilities

CVE-2019-8446

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 17.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-08-23 · updated 2026-06-17
• Weakness: CWE-863

Description

The /rest/issueNav/1/issueTable resource in Jira before version 8.3.2 allows remote attackers to enumerate usernames via an incorrect authorisation check.

Affected products

• Atlassian Jira: from 7.6 before 8.3.2 — fixed in 8.3.2

How to fix

Upgrade to a fixed version: Atlassian Jira 8.3.2. Check the vendor advisory for mitigations.

References

• https://jira.atlassian.com/browse/JRASERVER-69777
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0839
• https://jira.atlassian.com/browse/JRASERVER-69777
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0839

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