CVE-2026-25680
Invoking denial of service when parsing arbitrary HTML in golang.org/x/net/html
MEDIUM
6.5
CVSS Score
Published: May 22, 2026 at 03:01 PM UTC
Updated: July 23, 2026 at 07:32 PM UTC
2 products affected across 2 vendors.NET.NET
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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit
Description
Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 0.55.0
Affected range stops below 0.55.0, so it looks safe — our inference, not a vendor statement
v < 0.55.0
Affected range stops below 0.55.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (4)
SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
6.5MEDIUMCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusANALYZED
CWE
CWE-400
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