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Vulnerability record · CVE-2019-8446 · published 23 August 2019

CVE-2019-8446: Atlassian jira server incorrect authorization vulnerability

Atlassian · Jira Server

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

5.3 CVSS 3.1 Medium EPSS 18% · top 3.0% CWE-863 · Incorrect authorization
5.3CVSS 3.1 base score, v2 5.0
18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://jira.atlassian.com/browse/JRASERVER-69777 Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0839 ExploitThird Party Advisory
https://jira.atlassian.com/browse/JRASERVER-69777 Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0839 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-8446), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.