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CVE-2026-25680
Invoking denial of service when parsing arbitrary HTML in golang.org/x/net/html
Medium6.5EPSS 0.33%
- Published
- Updated
- Reserved
- Assigned by
- Go
Description
Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVDNVD · Analyzed | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.33% · top 74% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
- CWE-407: Inefficient Algorithmic Complexity
- CWE-400 (opens in a new tab)All about CWE-400 and its CVEs
Affected products
golang.org/x/net · golang.org/x/net/html
- affected < 0.55.0
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gogolang.org/x/netGHSA-5cv4-jp36-h3mw (opens in a new tab)
References (4)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-5cv4-jp36-h3mw (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-25680)Record last updated .