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
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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

CVSS v3
6.5
EG Score
6.5(medium)
EPSS
16.0%
KEV
Not listed

Published

May 26, 2026

Last Modified

May 29, 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(4)

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

Affected Packages

(1 across 1 ecosystem)
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 11× in last 7d / 72× 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 163 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

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 May 29, 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 16.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
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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