CVE-2026-27141

Severity CVSS v4.0:

Pending analysis

Type:

CWE-476 NULL Pointer Dereference

Publication date:

26/02/2026

Last modified:

27/02/2026

Description

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

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

References to Advisories, Solutions, and Tools

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