What is CVE-2019-5483?

CVE-2019-5483 is a medium-severity vulnerability in Senecajs Seneca, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.3/10. Published 2019-09-09.

How severe is CVE-2019-5483?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2019-5483 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Information disclosure in Senecajs Seneca

CVE-2019-5483

Seneca < 3.9.0 contains a vulnerability that could lead to exposing environment variables to unauthorized users.

Published 2019-09-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.012 (66.6th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Senecajs Seneca
Seneca — versions Fixed versions >= 3.9.0

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

Public proof-of-concept exploits

ossf-cve-benchmark/CVE-2019-5483

References

hackerone.com/reports/526258 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2019-5483?: CVE-2019-5483 is a medium-severity vulnerability in Senecajs Seneca, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.3/10. Published 2019-09-09.
How severe is CVE-2019-5483?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2019-5483 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.