CVE-2026-25680

MEDIUM

Invoking denial of service when parsing arbitrary HTML in golang.org/x/net/html

Title source: cna
STIX 2.1

Description

Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service.

Scores

CVSS v3 6.5
EPSS 0.0034
EPSS Percentile 25.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (2)
golang/net < 0.55.0
golang.org/x/net/golang.org/x/net/html < 0.55.0
Published May 22, 2026
Tracked Since May 22, 2026