CVE-2026-46600

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-21. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.5Exploit: None knownExposed: 0

A fix is available — apply it.

Parsing an invalid SVCB or HTTPS RR can panic when the size of a parameter value overflows the message buffer.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity75% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
45%
KEV
Not listed

Published

July 21, 2026

Last Modified

August 14, 2026

Advisory Details (3)

Auto-updated Jul 23, 2026
No patch confirmed yet.
generic

GO-2026-5942 - Go Packages

https://pkg.go.dev/vuln/GO-2026-5942
generic

x/net/dns/dnsmessage: panic when parsing invalid SVCB record · Issue #79795 · golang/go · GitHub

https://go.dev/issue/79795
generic
https://go.dev/cl/786345

Vendor Advisories for CVE-2026-46600(12)

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

Patch Availability(10)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatcert-manager/jetstack-cert-manager-rhel9:17883485712026-09-03redhat
redhatcert-manager/cert-manager-operator-rhel9:17883485222026-09-03redhat
redhatcluster-observability-operator/thanos-rhel9:17875940872026-08-31redhat
redhatrhacm2/insights-metrics-rhel9:17872590922026-08-26redhat
redhatrhacm2/multicluster-role-assignment-rhel9:17872385852026-08-26redhat
redhatrhacm2/insights-metrics-rhel9:17872276652026-08-26redhat
redhatrhacm2/insights-metrics-rhel9:17876817372026-08-26redhat
redhatrhacm2/insights-metrics-rhel9:17866465692026-08-26redhat
redhatrhacm2/insights-metrics-rhel9:17870868302026-08-26redhat
redhatrhosdt/opentelemetry-rhel9-operator:17866351752026-08-13redhat

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

(3 across 2 ecosystems)
Go(2)
PackageVulnerable rangeFixed inDependents
golang.org/x/net—0.56.0—
stdlib—1.27.0-rc.3—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
golang-golang-x-net1:0.27.0-2 ... 1:0.55.0-1 (7 versions)1:0.56.0-1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 25× in last 7d / 112× 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 241 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-46600?
CVE-2026-46600 is a high vulnerability published on July 21, 2026. Parsing an invalid SVCB or HTTPS RR can panic when the size of a parameter value overflows the message buffer.
When was CVE-2026-46600 disclosed?
CVE-2026-46600 was first published in the National Vulnerability Database on July 21, 2026, with the most recent update on August 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-46600 actively exploited?
CVE-2026-46600 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 55.2% of all scored CVEs.
What is the CVSS score of CVE-2026-46600?
CVE-2026-46600 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-46600?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-46600, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-46600

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