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
44%
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 23× in last 7d / 128× 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 210 total refreshes for this CVE.

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

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 55.8% 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

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