CVE-2026-58040

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreMEDIUM confidence

Score 6.3 from GitHub Security Advisory published 2026-07-30. a secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
6.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.3Exploit: None knownExposed: 0

A fix is available — apply it.

An incomplete fix has been identified in Node.js: HTTPS Agent TLS session reuse skips hostname verification across identity policies (incomplete fix of CVE-2026-48934). This vulnerability affects Node.js 22.x, 24.x, and 26.x.

CVSS v3
6.3
EG Score
6.3(medium)
EG Risk
28(Track)
EG Risk 28/100SSVC: 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
Severity63% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
20%
KEV
Not listed

Published

July 30, 2026

Last Modified

September 3, 2026

Advisory Details (1)

Auto-updated Jul 30, 2026
No patch confirmed yet.
generic

Node.js — Wednesday, July 29, 2026 Security Releases

https://nodejs.org/en/blog/vulnerability/july-2026-security-releases

Vendor Advisories for CVE-2026-58040(4)

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

Patch Availability(3)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatnodejs24-main-24.18.1-0.1.hum12026-07-30redhat
redhatnodejs26-main-26.5.1-1.5.hum12026-07-29redhat
redhatnodejs22-main-22.23.2-2.3.hum12026-07-29redhat

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

(8 across 8 ecosystems)
Alpine:v3.21(1)
PackageVulnerable rangeFixed inDependents
nodejs—22.23.2-r0—
Alpine:v3.22(1)
PackageVulnerable rangeFixed inDependents
nodejs—22.23.2-r0—
Alpine:v3.23(1)
PackageVulnerable rangeFixed inDependents
nodejs—24.18.1-r0—
Alpine:v3.24(1)
PackageVulnerable rangeFixed inDependents
nodejs—24.18.1-r0—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
nodejs12.21.0~dfsg-5 ... 24.18.0+dfsg+~cs24.13.2-1 (174 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
nodejs18.13.0+dfsg1-1 ... 24.20.0+dfsg+~cs24.13.3-2 (90 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
nodejs20.19.2+dfsg-1 ... 24.18.0+dfsg+~cs24.13.2-1 (42 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
nodejs20.19.2+dfsg-1 ... 24.18.0+dfsg+~cs24.13.2-1 (40 versions)24.19.0+dfsg+~cs24.13.3-1—

Weakness Classification(1)

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

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 27× in last 7d / 101× 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 179 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-58040?
CVE-2026-58040 is a medium vulnerability published on July 30, 2026. An incomplete fix has been identified in Node.js: HTTPS Agent TLS session reuse skips hostname verification across identity policies (incomplete fix of CVE-2026-48934). This vulnerability affects Node.js 22.x, 24.x, and 26.x.
When was CVE-2026-58040 disclosed?
CVE-2026-58040 was first published in the National Vulnerability Database on July 30, 2026, with the most recent update on September 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-58040 actively exploited?
CVE-2026-58040 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 80.2% of all scored CVEs.
What is the CVSS score of CVE-2026-58040?
CVE-2026-58040 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-58040?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-58040, 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-2026-58040

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