CVE-2026-27141 - Vulnerability Details - OpenCVE

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

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

Vendors	Products
Go Standard Library	Net/http

No data.

No data.

References

Link	Providers
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
https://www.cve.org/CVERecord?id=CVE-2026-27141

History

Sat, 28 Feb 2026 12:15:00 +0000

Type	Values Removed	Values Added
References		https://www.cve.org/CVERecord?id=CVE-2026-27141
Metrics	threat_severity `None`	threat_severity `Moderate`

Fri, 27 Feb 2026 20:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-476
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Fri, 27 Feb 2026 09:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Go Standard Library Go Standard Library net/http
Vendors & Products		Go Standard Library Go Standard Library net/http

Thu, 26 Feb 2026 19:30:00 +0000

Type	Values Removed	Values Added
Description		Due to missing nil check, sending 0x0a-0x0f HTTP/2 frames will cause a running server to panic
Title		Sending certain HTTP/2 frames can cause a server to panic in golang.org/x/net
References		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

MITRE

Status: PUBLISHED

Assigner: Go

Published: 2026-02-26T18:50:31.830Z

Updated: 2026-02-27T19:11:57.260Z

Reserved: 2026-02-17T19:57:28.435Z

Link: CVE-2026-27141

Vulnrichment

Updated: 2026-02-27T19:10:05.895Z

NVD

Status : Awaiting Analysis

Published: 2026-02-26T20:31:38.017

Modified: 2026-02-27T20:21:37.657

Link: CVE-2026-27141

Redhat

Severity : Moderate

Publid Date: 2026-02-26T18:50:31Z

Links: CVE-2026-27141 - Bugzilla

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