CVE-2026-48934

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory published 2026-06-26. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0

A fix is available — apply it.

A flaw in Node.js TLS host verification can cause an attacker to bypass certification validation. This vulnerability affects all supported release lines: Node.js 22, Node.js 24, and Node.js 26.

CVSS v3
4.3
EG Score
4.3(medium)
EG Risk
19(Track)
EG Risk 19/100SSVC: 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
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
18%
KEV
Not listed

Published

June 26, 2026

Last Modified

June 29, 2026

Advisory Details (1)

Auto-updated Jun 26, 2026
No patch confirmed yet.
generic

Node.js — Thursday, June 18, 2026 Security Releases

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

Vendor Advisories for CVE-2026-48934(12)

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

Patch Availability(11)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatnodejs:22-8100020260703140402.6d8804032026-07-20redhat
redhatnodejs:24-8100020260630152626.6d8804032026-07-15redhat
redhatnodejs:24-9080020260626074955.rhel92026-07-06redhat
redhatnodejs:22-9080020260626075442.rhel92026-07-06redhat
redhatnodejs24-1:24.18.0-1.el10_22026-07-06redhat
redhatnodejs22-1:22.23.1-2.el10_22026-07-06redhat
redhatnodejs22-main-22.23.1-2.hum12026-07-03redhat
redhatnodejs24-main-24.18.0-0.2.hum12026-07-01redhat
redhatnodejs26-main-26.4.0-1.3.hum12026-06-30redhat
redhatnodejs20-main-20.20.2-1.hum12026-04-21redhat
redhatnodejs25-main-25.9.0-1.1.hum12026-04-10redhat

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—22.23.0-r0—
Alpine:v3.22(1)
PackageVulnerable rangeFixed inDependents
nodejs—22.23.0-r0—
Alpine:v3.23(1)
PackageVulnerable rangeFixed inDependents
nodejs—24.17.0-r0—
Alpine:v3.24(1)
PackageVulnerable rangeFixed inDependents
nodejs—24.17.0-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 ... 24.18.0+dfsg+~cs24.13.2-1 (87 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 ... 24.16.0+dfsg+~cs24.13.1-2 (38 versions)24.17.0+dfsg+~cs24.13.2-1—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 25× 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 165 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-48934?
CVE-2026-48934 is a medium vulnerability published on June 26, 2026. A flaw in Node.js TLS host verification can cause an attacker to bypass certification validation. This vulnerability affects all supported release lines: Node.js 22, Node.js 24, and Node.js 26.
When was CVE-2026-48934 disclosed?
CVE-2026-48934 was first published in the National Vulnerability Database on June 26, 2026, with the most recent update on June 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-48934 actively exploited?
CVE-2026-48934 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 82.4% of all scored CVEs.
What is the CVSS score of CVE-2026-48934?
CVE-2026-48934 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-48934?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-48934, 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-2026-48934

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