How severe is CVE-2019-5479?

CVE-2019-5479 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2019-5479 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-5479?

CVE-2019-5479 affects Larvit Larvitbase. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-5479?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-5479 published?

CVE-2019-5479 was published on 2019-09-03 and last updated on 2026-06-17.

CVE-2019-5479

CVE-2019-5479 is a high-severity vulnerability in Larvit Larvitbase with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-829.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-829
Affected product: Larvit Larvitbase
Published: 2019-09-03
Last modified: 2026-06-17

Description

An unintended require vulnerability in <v0.5.5 larvitbase-api may allow an attacker to load arbitrary non-production code (JavaScript file).

Frequently asked questions

What is CVE-2019-5479?: An unintended require vulnerability in <v0.5.5 larvitbase-api may allow an attacker to load arbitrary non-production code (JavaScript file).
How severe is CVE-2019-5479?: CVE-2019-5479 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-5479 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-5479?: CVE-2019-5479 affects Larvit Larvitbase. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-5479?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-5479 published?: CVE-2019-5479 was published on 2019-09-03 and last updated on 2026-06-17.

References

https://hackerone.com/reports/566056

Affected products (1)

cpe:2.3:a:larvit:larvitbase:*:*:*:*:*:node.js:*:*

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