CVE-2019-15605

CRITICALNVD 9.89.8—

9.8

HTTP request smuggling in Node.js 10, 12, and 13 causes malicious payload delivery when transfer-encoding is malformed

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 96.9%
KEV: Not listed

Published

February 7, 2020

Last Modified

November 21, 2024

References (42)

support@hackeronehttp://lists.opensuse.org/opensuse-security-announce/2020-03/msg00008.html
support@hackeronehttps://access.redhat.com/errata/RHSA-2020:0573
support@hackeronehttps://access.redhat.com/errata/RHSA-2020:0579
support@hackeronehttps://access.redhat.com/errata/RHSA-2020:0597
support@hackeronehttps://access.redhat.com/errata/RHSA-2020:0598
support@hackeronehttps://access.redhat.com/errata/RHSA-2020:0602
support@hackeronehttps://access.redhat.com/errata/RHSA-2020:0703
support@hackeronehttps://access.redhat.com/errata/RHSA-2020:0707
support@hackeronehttps://access.redhat.com/errata/RHSA-2020:0708
support@hackeronehttps://hackerone.com/reports/735748
support@hackeronehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CT3WTR4P5VAJ3GJGKPYEDUPTNZ3IEDUR/
support@hackeronehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLB676PDU4RJQLWQUA277YNGYYNEYGWO/
support@hackeronehttps://nodejs.org/en/blog/release/v10.19.0/
support@hackeronehttps://nodejs.org/en/blog/release/v12.15.0/
support@hackeronehttps://nodejs.org/en/blog/release/v13.8.0/

Patch Availability(10)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	nodejs-legacy (4.2.6~dfsg-1ubuntu4.2+esm2) @ xenial	2026-05-27	ubuntu
redhat	http-parser-0:2.7.1-5.el7_6.1	2020-04-21	redhat
redhat	http-parser-0:2.7.1-8.el7_7.2	2020-03-04	redhat
redhat	http-parser-0:2.8.0-2.el8_0.2	2020-03-04	redhat
redhat	http-parser-0:2.8.0-5.el8_1.2	2020-03-04	redhat
redhat	nodejs:12-8010020200220143053.c27ad7f8	2020-02-25	redhat
redhat	rh-nodejs10-nodejs-0:10.19.0-1.el7	2020-02-25	redhat
redhat	rh-nodejs12-nodejs-0:12.16.1-1.el7	2020-02-25	redhat
redhat	nodejs:10-8010020200213140254.c27ad7f8	2020-02-25	redhat
redhat	nodejs:10-8000020200214110450.f8e95b4e	2020-02-24	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

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

CWE-444Inconsistent Interpretation of HTTP Requests (HTTP Request Smuggling)

All Vendor Advisories

(10)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 8× in last 7d / 8× 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.

2026-05-27 13:38 UTCepss_batch
2026-05-27 08:08 UTCEG score recompute
2026-05-27 08:08 UTCVendor advisory
2026-05-27 08:08 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2019-15605?

CVE-2019-15605 is a critical vulnerability published on February 7, 2020. HTTP request smuggling in Node.js 10, 12, and 13 causes malicious payload delivery when transfer-encoding is malformed

When was CVE-2019-15605 disclosed?

CVE-2019-15605 was first published in the National Vulnerability Database on February 7, 2020, 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-2019-15605 actively exploited?

CVE-2019-15605 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-15605?

CVE-2019-15605 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2019-15605?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-15605, 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-2019-15605

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