CVE-2019-8446

MEDIUMNVD 5.35.3—Elevated

5.3

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 v3: 5.3
EG Score: 5.3(medium)
EPSS: 98.8%
KEV: Not listed

Published

August 23, 2019

Last Modified

November 21, 2024

References (4)

security@atlassianhttps://jira.atlassian.com/browse/JRASERVER-69777
security@atlassianhttps://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0839
af854a3a-2127-422b-91ae-364da2661108https://jira.atlassian.com/browse/JRASERVER-69777
af854a3a-2127-422b-91ae-364da2661108https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0839

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-863Incorrect Authorization

Data Freshness Timeline

(refreshed 7× in last 7d / 10× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-27 15:21 UTCEG score recompute
2026-05-27 15:21 UTCGHSA enrichment
2026-05-24 16:47 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Nucleihttp/cves/2019/CVE-2019-8446.yaml
First seen Jan 1, 2019
Jira Improper Authorization
Open source ↗

Frequently asked(5)

What is CVE-2019-8446?

CVE-2019-8446 is a medium vulnerability published on August 23, 2019. The /rest/issueNav/1/issueTable resource in Jira before version 8.3.2 allows remote attackers to enumerate usernames via an incorrect authorisation check.

When was CVE-2019-8446 disclosed?

CVE-2019-8446 was first published in the National Vulnerability Database on August 23, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-8446 actively exploited?

CVE-2019-8446 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-8446?

CVE-2019-8446 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2019-8446?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-8446, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2019-8446

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