CVE-2026-37630

HIGHNVD 7.37.3—Elevated

7.3

An issue in QuickJS-NG v.0.12.1 allows an attacker to execute arbitrary code via the js_mapped_arguments_mark function

CVSS v3: 7.3
EG Score: 7.3(high)
EPSS: 25.5%
KEV: Not listed

Published

May 11, 2026

Last Modified

May 13, 2026

References (2)

cve@mitrehttps://github.com/quickjs-ng/quickjs/issues/1400
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/quickjs-ng/quickjs/issues/1400

Weakness Classification(1)

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

CWE-94Improper Control of Generation of Code (Code Injection)

Data Freshness Timeline

(refreshed 13× in last 7d / 19× 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.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 13:08 UTCEG score recompute
2026-05-20 13:07 UTCGHSA enrichment
2026-05-20 11:22 UTCepss_batch
2026-05-20 11:22 UTCepss_batch

Frequently asked(5)

What is CVE-2026-37630?

CVE-2026-37630 is a high vulnerability published on May 11, 2026. An issue in QuickJS-NG v.0.12.1 allows an attacker to execute arbitrary code via the jsmappedarguments_mark function

When was CVE-2026-37630 disclosed?

CVE-2026-37630 was first published in the National Vulnerability Database on May 11, 2026, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-37630 actively exploited?

CVE-2026-37630 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 25.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-37630?

CVE-2026-37630 has a CVSS v3 base score of 7.3 (NVD).

How do I remediate CVE-2026-37630?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-37630, 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

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CVE-2026-37630

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-37630?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)