CVE-2026-25680 - Vulnerability Details - OpenCVE

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

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 Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

golang.org/x/net

golang.org/x/net/html

unaffected

Version	Status	Constraints
`0`	affected	< 0.55.0

No data.

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OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://go.dev/cl/781702
https://go.dev/issue/79573
https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8
https://pkg.go.dev/vuln/GO-2026-5028

History

Fri, 22 May 2026 18:45:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-400

Fri, 22 May 2026 17:30:00 +0000

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Fri, 22 May 2026 15:45:00 +0000

Type	Values Removed	Values Added
Description		Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service.
Title		Invoking denial of service when parsing arbitrary HTML in golang.org/x/net/html
References		https://go.dev/cl/781702 https://go.dev/issue/79573 https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8 https://pkg.go.dev/vuln/GO-2026-5028

Projects

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MITRE

Status: PUBLISHED

Assigner: Go

Published: 2026-05-22T15:01:21.805Z

Updated: 2026-05-22T17:00:35.395Z

Reserved: 2026-02-05T01:35:43.737Z

Link: CVE-2026-25680

Vulnrichment

Updated: 2026-05-22T17:00:26.491Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-05-22T18:30:42Z

Weaknesses

CWE-400

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