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Vulnerability record · CVE-2019-16276 · published 30 September 2019
CVE-2019-16276: Golang go http request smuggling vulnerability
Golang · Go
Go before 1.12.10 and 1.13.x before 1.13.1 allow HTTP Request Smuggling.
7.5 CVSS 3.1 High EPSS 5.3% · top 7.7% CWE-444 · HTTP request smuggling
7.5CVSS 3.1 base score, v2 5.0
5.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
9Affected product versions listed by NVD
26References
17 Jun 2026Last modified by NVD
Description
Go before 1.12.10 and 1.13.x before 1.13.1 allow HTTP Request Smuggling.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected products
9 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
Track CVE-2019-16276 inside VULONE
Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.
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Same products first, then exploited flaws of the same weakness class.
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Source: NIST National Vulnerability Database (record CVE-2019-16276), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.
