Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service.
CVE-2026-25680
Score 6.5 from GitHub Security Advisory published 2026-05-26. NVD baseline CVSS 6.5; sources differ by 0.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 6.5
- EG Score
- 6.5(medium)
- EG Risk
- 29(Track)EG Risk 29/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity65% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 25%
- KEV
- Not listed
Published
May 26, 2026
Last Modified
July 23, 2026
Advisory Details (4)
Auto-updated Jun 12, 2026x/net/html: denial of service when parsing arbitrary HTML · Issue #79573 · golang/go · GitHub
https://go.dev/issue/79573Vendor Advisories for CVE-2026-25680(5)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2026:43692Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat OpenShift API for Data Protection
- RHSA-2026:37387Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.22.0 security, enhancement & bug fix update
- RHSA-2026:34342Red Hat Product SecurityCritical
Red Hat Security Advisory: Cluster Observability Operator 1.5.0
- CVE-2026-25680Microsoft Security Response Center (MSRC)Medium
Invoking denial of service when parsing arbitrary HTML in golang.org/x/net/html
- GHSA-5cv4-jp36-h3mwGitHub Security AdvisoriesMedium
Go Net HTML parser is vulnerable to denial of service
Patch Availability(3)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | oadp/oadp-velero-rhel9:1784058822 | 2026-07-22 | redhat |
| redhat | odf4/rook-ceph-rhel9-operator:1782934284 | 2026-07-09 | redhat |
| redhat | cluster-observability-operator/monitoring-console-plugin-rhel9:1782838476 | 2026-07-01 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
Go(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| golang.org/x/net | — | 0.55.0 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 15× in last 7d / 62× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 162 total refreshes for this CVE.
- 2026-07-26 14:54 UTCEPSS rescore
- 2026-07-26 14:54 UTCEPSS rescore
- 2026-07-26 07:52 UTCEG score recompute
- 2026-07-26 07:52 UTCVendor advisory
- 2026-07-25 14:18 UTCEPSS rescore
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- 2026-07-23 03:07 UTCEG score recompute
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- 2026-07-21 15:24 UTCEPSS rescore
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- 2026-07-19 08:22 UTCOSV refresh
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- 2026-07-16 17:03 UTCEPSS rescore
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- 2026-07-15 16:57 UTCEPSS rescore
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- 2026-07-01 15:06 UTCEPSS rescore
- 2026-07-01 15:06 UTCEPSS rescore
- 2026-07-01 14:28 UTCVendor advisory
- 2026-07-01 14:28 UTCGHSA enrichment
- 2026-06-30 23:22 UTCEPSS rescore
- 2026-06-30 23:22 UTCEPSS rescore
- 2026-06-29 22:58 UTCVendor advisory
- 2026-06-29 22:58 UTCGHSA enrichment
- 2026-06-29 14:06 UTCEPSS rescore
- 2026-06-29 01:01 UTCVendor advisory
- 2026-06-29 01:01 UTCGHSA enrichment
- 2026-06-28 14:07 UTCEPSS rescore
- 2026-06-28 14:07 UTCEPSS rescore
- 2026-06-28 04:56 UTCEPSS rescore
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- 2026-06-27 19:00 UTCVendor advisory
- 2026-06-27 19:00 UTCGHSA enrichment
- 2026-06-27 03:08 UTCEPSS rescore
- 2026-06-26 18:31 UTCVendor advisory
- 2026-06-26 18:31 UTCGHSA enrichment
- 2026-06-25 13:49 UTCEPSS rescore
- 2026-06-25 13:49 UTCEPSS rescore
- 2026-06-25 12:24 UTCVendor advisory
- 2026-06-25 12:24 UTCGHSA enrichment
- 2026-06-24 14:05 UTCEPSS rescore
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- 2026-06-23 21:33 UTCEPSS rescore
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- 2026-06-22 14:25 UTCEPSS rescore
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- 2026-06-21 14:56 UTCEPSS rescore
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- 2026-06-19 19:25 UTCEPSS rescore
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- 2026-06-18 17:52 UTCEPSS rescore
- 2026-06-17 17:53 UTCEPSS rescore
- 2026-06-17 17:53 UTCEPSS rescore
- 2026-06-17 15:07 UTCGHSA enrichment
- 2026-06-16 17:52 UTCEPSS rescore
- 2026-06-16 17:26 UTCVendor advisory
- 2026-06-16 17:26 UTCGHSA enrichment
- 2026-06-15 17:48 UTCEPSS rescore
- 2026-06-15 16:45 UTCVendor advisory
- 2026-06-15 16:45 UTCGHSA enrichment
- 2026-06-14 23:18 UTCEPSS rescore
- 2026-06-14 19:03 UTCVendor advisory
- 2026-06-14 19:03 UTCGHSA enrichment
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- 2026-06-13 21:21 UTCGHSA enrichment
- 2026-06-12 23:12 UTCEPSS rescore
- 2026-06-12 23:12 UTCEPSS rescore
- 2026-06-12 20:17 UTCVendor advisory
- 2026-06-12 20:17 UTCGHSA enrichment
Frequently asked(5)
What is CVE-2026-25680?
When was CVE-2026-25680 disclosed?
Is CVE-2026-25680 actively exploited?
What is the CVSS score of CVE-2026-25680?
How do I remediate CVE-2026-25680?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-25680
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