CVE-2026-25680

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-05-26. NVD baseline CVSS 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: None knownExposed: 0

A fix is available — apply it.

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

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 computed
Severity65% × 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, 2026
No patch confirmed yet.
generic

GO-2026-5028 - Go Packages

https://pkg.go.dev/vuln/GO-2026-5028
generic
https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8
generic

x/net/html: denial of service when parsing arbitrary HTML · Issue #79573 · golang/go · GitHub

https://go.dev/issue/79573
generic
https://go.dev/cl/781702

Vendor Advisories for CVE-2026-25680(6)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatmulticluster-engine/hypershift-addon-rhel9-operator:17869120062026-08-19redhat
redhatoadp/oadp-velero-rhel9:17840588222026-07-22redhat
redhatodf4/rook-ceph-rhel9-operator:17829342842026-07-09redhat
redhatcluster-observability-operator/monitoring-console-plugin-rhel9:17828384762026-07-01redhat

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

(5 across 5 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
golang-golang-x-net1:0.0+git20210119.5f4716e+dfsg-4 ... 1:0.7.0+dfsg-1 (40 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
golang-golang-x-net1:0.10.0-1 ... 1:0.7.0+dfsg-1 (26 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
golang-golang-x-net1:0.27.0-2 ... 1:0.57.0-1 (9 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
golang-golang-x-net1:0.27.0-2 ... 1:0.53.0-2~bpo13+1 (6 versions)1:0.55.0-1—
Go(1)
PackageVulnerable rangeFixed inDependents
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 6× in last 7d / 55× 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 233 total refreshes for this CVE.

  1. 2026-09-04 05:06 UTCEPSS rescore
  2. 2026-09-02 14:11 UTCEPSS rescore
  3. 2026-09-01 13:53 UTCEPSS rescore
  4. 2026-09-01 04:39 UTCEPSS rescore
  5. 2026-08-30 19:17 UTCEPSS rescore
  6. 2026-08-30 01:22 UTCEPSS rescore
  7. 2026-08-28 21:41 UTCEPSS rescore
  8. 2026-08-27 14:25 UTCEPSS rescore
  9. 2026-08-26 14:46 UTCEPSS rescore
  10. 2026-08-25 13:48 UTCEPSS rescore
  11. 2026-08-23 16:23 UTCEG score recompute
  12. 2026-08-23 16:23 UTCVendor advisory
  13. 2026-08-23 00:19 UTCEPSS rescore
  14. 2026-08-21 23:49 UTCEPSS rescore
  15. 2026-08-21 21:30 UTCEG score recompute
  16. 2026-08-21 21:30 UTCVendor advisory
  17. 2026-08-20 22:55 UTCEPSS rescore
  18. 2026-08-20 18:16 UTCEG score recompute
  19. 2026-08-20 18:16 UTCVendor advisory
  20. 2026-08-19 17:03 UTCEPSS rescore
  21. 2026-08-18 13:48 UTCEPSS rescore
  22. 2026-08-17 13:47 UTCEPSS rescore
  23. 2026-08-17 09:34 UTCEG score recompute
  24. 2026-08-17 09:34 UTCVendor advisory
  25. 2026-08-16 14:56 UTCEPSS rescore
Show 75 more
  1. 2026-08-16 03:08 UTCEG score recompute
  2. 2026-08-16 03:08 UTCVendor advisory
  3. 2026-08-16 02:14 UTCEPSS rescore
  4. 2026-08-15 03:27 UTCEG score recompute
  5. 2026-08-15 03:27 UTCVendor advisory
  6. 2026-08-15 01:30 UTCEPSS rescore
  7. 2026-08-14 05:44 UTCEG score recompute
  8. 2026-08-14 05:44 UTCVendor advisory
  9. 2026-08-13 22:00 UTCEPSS rescore
  10. 2026-08-13 08:03 UTCEG score recompute
  11. 2026-08-13 08:03 UTCVendor advisory
  12. 2026-08-12 13:50 UTCEPSS rescore
  13. 2026-08-12 09:46 UTCEG score recompute
  14. 2026-08-12 09:46 UTCVendor advisory
  15. 2026-08-11 13:42 UTCEPSS rescore
  16. 2026-08-11 07:45 UTCEG score recompute
  17. 2026-08-11 07:45 UTCVendor advisory
  18. 2026-08-11 00:00 UTCEPSS rescore
  19. 2026-08-10 10:04 UTCEG score recompute
  20. 2026-08-10 10:04 UTCVendor advisory
  21. 2026-08-09 13:46 UTCEPSS rescore
  22. 2026-08-09 12:23 UTCEG score recompute
  23. 2026-08-09 12:23 UTCVendor advisory
  24. 2026-08-08 16:37 UTCEPSS rescore
  25. 2026-08-08 14:08 UTCEG score recompute
  26. 2026-08-08 14:08 UTCVendor advisory
  27. 2026-08-07 16:26 UTCVendor advisory
  28. 2026-08-06 18:45 UTCEG score recompute
  29. 2026-08-06 18:45 UTCVendor advisory
  30. 2026-08-06 13:46 UTCEPSS rescore
  31. 2026-08-05 21:04 UTCEG score recompute
  32. 2026-08-05 21:04 UTCVendor advisory
  33. 2026-08-05 19:17 UTCEPSS rescore
  34. 2026-08-04 15:10 UTCEPSS rescore
  35. 2026-08-03 16:42 UTCVendor advisory
  36. 2026-08-02 14:20 UTCEG score recompute
  37. 2026-08-02 14:20 UTCVendor advisory
  38. 2026-08-02 02:26 UTCEPSS rescore
  39. 2026-08-01 16:39 UTCEG score recompute
  40. 2026-08-01 16:39 UTCVendor advisory
  41. 2026-08-01 04:16 UTCEPSS rescore
  42. 2026-07-30 16:27 UTCEPSS rescore
  43. 2026-07-30 01:30 UTCEPSS rescore
  44. 2026-07-29 16:54 UTCEG score recompute
  45. 2026-07-29 16:54 UTCVendor advisory
  46. 2026-07-28 15:36 UTCEPSS rescore
  47. 2026-07-26 14:54 UTCEPSS rescore
  48. 2026-07-26 14:54 UTCEPSS rescore
  49. 2026-07-26 07:52 UTCEG score recompute
  50. 2026-07-26 07:52 UTCVendor advisory
  51. 2026-07-25 14:18 UTCEPSS rescore
  52. 2026-07-25 14:17 UTCEPSS rescore
  53. 2026-07-24 14:17 UTCEPSS rescore
  54. 2026-07-23 14:18 UTCEPSS rescore
  55. 2026-07-23 14:18 UTCEPSS rescore
  56. 2026-07-23 03:07 UTCEG score recompute
  57. 2026-07-22 14:08 UTCEPSS rescore
  58. 2026-07-22 14:08 UTCEPSS rescore
  59. 2026-07-21 15:24 UTCEPSS rescore
  60. 2026-07-21 15:24 UTCEPSS rescore
  61. 2026-07-20 17:08 UTCEPSS rescore
  62. 2026-07-19 14:31 UTCEPSS rescore
  63. 2026-07-19 14:31 UTCEPSS rescore
  64. 2026-07-19 08:22 UTCOSV refresh
  65. 2026-07-19 02:29 UTCEPSS rescore
  66. 2026-07-19 02:28 UTCEPSS rescore
  67. 2026-07-18 10:04 UTCEPSS rescore
  68. 2026-07-18 10:04 UTCEPSS rescore
  69. 2026-07-16 17:03 UTCEPSS rescore
  70. 2026-07-16 17:03 UTCEPSS rescore
  71. 2026-07-15 16:57 UTCEPSS rescore
  72. 2026-07-15 16:57 UTCEPSS rescore
  73. 2026-07-15 02:00 UTCEPSS rescore
  74. 2026-07-15 02:00 UTCEPSS rescore
  75. 2026-07-13 22:30 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-25680?
CVE-2026-25680 is a medium vulnerability published on May 26, 2026. Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service.
When was CVE-2026-25680 disclosed?
CVE-2026-25680 was first published in the National Vulnerability Database on May 26, 2026, with the most recent update on July 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-25680 actively exploited?
CVE-2026-25680 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 74.7% of all scored CVEs.
What is the CVSS score of CVE-2026-25680?
CVE-2026-25680 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-25680?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-25680, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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