CVE-2026-27141: NULL pointer dereference vulnerability

Due to missing nil check, sending 0x0a-0x0f HTTP/2 frames will cause a running server to panic

7.5 CVSS 3.1 High EPSS 0.65% · top 50.7% CWE-476 · NULL pointer dereference Deferred

7.5CVSS 3.1 base score

0.65%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

4References

17 Jun 2026Last modified by NVD

Description

Due to missing nil check, sending 0x0a-0x0f HTTP/2 frames will cause a running server to panic

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Link	Tags
https://go.dev/cl/746180
https://go.dev/issue/77652
https://nvd.nist.gov/vuln/detail/CVE-2026-27141
https://pkg.go.dev/vuln/GO-2026-4559

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

6.2CVE-2026-21525Windows Remote Access Connection Manager null pointer dereference DoSWindows Remote Access Connection Manager contains a null pointer dereference (CWE-476) that lets an unauthorized attacker deny service locally. The f…KEVEPSS 4.8%analysed10 Feb 2026

Source: NIST National Vulnerability Database (record CVE-2026-27141), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.