CVE-2026-27141

Sending certain HTTP/2 frames can cause a server to panic in golang.org/x/net

High · published February 26, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
51.3
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00669 · 51.3th percentile
Published
2026-02-26T18:50Z
EPSS history
Timeline
  • 26 FEB 18:50Z
    Sending certain HTTP/2 frames can cause a server to panic in golang.org/x/net
    cvelistv5