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CVE-2026-27141— Sending certain HTTP/2 frames can cause a server to panic in golang.org/x/net

Quick assessment

Affected
golang.org/x/net golang.org/x/net/http2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Google Go是美国谷歌（Google）公司的一种静态强类型、编译型、并发型，并具有垃圾回收功能的编程语言。 Google Go存在安全漏洞，该漏洞源于缺少空值检查，可能导致服务器内核崩溃。

AI Predicted 7.5 Difficulty: Trivial EPSS 0.65% · P50

Possible ATT&CK Techniques 1 AI

T1499.003 · Application Exhaustion Flood
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I. Basic Information for CVE-2026-27141

Vulnerability Information
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Vulnerability Title
Sending certain HTTP/2 frames can cause a server to panic in golang.org/x/net
Source: CVE Program / CVE List V5
Vulnerability Description
Due to missing nil check, sending 0x0a-0x0f HTTP/2 frames will cause a running server to panic
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Google Go 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Go是美国谷歌（Google）公司的一种静态强类型、编译型、并发型，并具有垃圾回收功能的编程语言。 Google Go存在安全漏洞，该漏洞源于缺少空值检查，可能导致服务器内核崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
golang.org/x/net golang.org/x/net/http2 0.50.0 ~ 0.51.0 -

II. Public POCs for CVE-2026-27141

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III. Intelligence Information for CVE-2026-27141

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IV. Related Vulnerabilities

Same product: golang.org/x/net/http2
Same vendor: golang.org/x/net

V. Comments for CVE-2026-27141

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