CVE-2023-40299

HIGHNVD 7.87.8—Elevated

7.8

Kong Insomnia 2023.4.0 on macOS allows attackers to execute code and access restricted files, or make requests for TCC permissions, by using the DYLD_INSERT_LIBRARIES environment variable.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 12.4%
KEV: Not listed

Published

October 4, 2023

Last Modified

November 21, 2024

References (8)

cve@mitrehttps://github.com/Kong/insomnia/pull/6217/commits
cve@mitrehttps://github.com/Kong/insomnia/releases
cve@mitrehttps://insomnia.rest/changelog
cve@mitrehttps://www.angelystor.com/posts/cve-2023-40299/
af854a3a-2127-422b-91ae-364da2661108https://github.com/Kong/insomnia/pull/6217/commits
af854a3a-2127-422b-91ae-364da2661108https://github.com/Kong/insomnia/releases
af854a3a-2127-422b-91ae-364da2661108https://insomnia.rest/changelog
af854a3a-2127-422b-91ae-364da2661108https://www.angelystor.com/posts/cve-2023-40299/

Weakness Classification(1)

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

CWE-114

Data Freshness Timeline

(refreshed 12× in last 7d / 20× 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 20:12 UTCepss_batch
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2026-06-01 13:51 UTCepss_batch
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2026-05-24 16:29 UTCEG score recompute

Frequently asked(5)

What is CVE-2023-40299?

CVE-2023-40299 is a high vulnerability published on October 4, 2023. Kong Insomnia 2023.4.0 on macOS allows attackers to execute code and access restricted files, or make requests for TCC permissions, by using the DYLDINSERTLIBRARIES environment variable.

When was CVE-2023-40299 disclosed?

CVE-2023-40299 was first published in the National Vulnerability Database on October 4, 2023, 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-2023-40299 actively exploited?

CVE-2023-40299 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 12.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-40299?

CVE-2023-40299 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2023-40299?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-40299, 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-2023-40299

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CVE-2023-40299

📅 Published

🔄 Last Modified

🔗 References (8)