PT-2026-55100 · Go · Golang.Org/X/Net

Published 2026-05-26 · Updated 2026-05-26

OSV

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

In Go Net (golang.org/x/net) before verion 0.55.0, parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service.

Fix

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

GHSA-5CV4-JP36-H3MW

Affected Products

Golang.Org/X/Net

References · 8

• https://osv.dev/vulnerability/GHSA-5cv4-jp36-h3mw · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-25680 · Security Note
• https://go.dev/cl/781702 · Note
• https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8 · Note
• https://go.googlesource.com/net/+/08be507abce89191d78cd49da60f4501fc910472 · Note
• https://go.dev/issue/79573 · Note
• https://pkg.go.dev/vuln/GO-2026-5028 · Note
• https://go.googlesource.com/net/+/refs/tags/v0.55.0 · Note