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

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
nodejs22.23.0-r0
Alpine:v3.22(1)
PackageVulnerable rangeFixed inDependents
nodejs22.23.0-r0
Alpine:v3.23(1)
PackageVulnerable rangeFixed inDependents
nodejs24.17.0-r0
Alpine:v3.24(1)
PackageVulnerable rangeFixed inDependents
nodejs24.17.0-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 ... 24.20.0+dfsg+~cs24.13.3-2 (90 versions)
Debian:13(1)
PackageVulnerable rangeFixed inDependents
nodejs20.19.2+dfsg-1 ... 24.20.0+dfsg+~cs24.13.3-2 (45 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 13× in last 7d / 49× 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. 2026-09-18 19:28 UTCEPSS rescore
  2. 2026-09-18 07:17 UTCEG score recompute
  3. 2026-09-18 07:17 UTCVendor advisory
  4. 2026-09-18 07:17 UTCGHSA enrichment
  5. 2026-09-16 14:08 UTCEPSS rescore
  6. 2026-09-16 05:15 UTCEPSS rescore
  7. 2026-09-14 01:15 UTCEG score recompute
  8. 2026-09-14 01:15 UTCVendor advisory
  9. 2026-09-14 01:15 UTCGHSA enrichment
  10. 2026-09-13 16:47 UTCEPSS rescore
  11. 2026-09-12 15:40 UTCEG score recompute
  12. 2026-09-12 15:40 UTCVendor advisory
  13. 2026-09-12 15:40 UTCGHSA enrichment
  14. 2026-09-11 14:53 UTCEPSS rescore
  15. 2026-09-10 09:35 UTCEPSS rescore
  16. 2026-09-08 22:01 UTCEPSS rescore
  17. 2026-09-07 16:01 UTCEPSS rescore
  18. 2026-09-06 13:47 UTCEPSS rescore
  19. 2026-09-04 05:06 UTCEPSS rescore
  20. 2026-09-02 14:12 UTCEPSS rescore
  21. 2026-09-01 13:54 UTCEPSS rescore
  22. 2026-09-01 04:40 UTCEPSS rescore
  23. 2026-08-30 19:27 UTCEG score recompute
  24. 2026-08-30 19:27 UTCVendor advisory
  25. 2026-08-30 19:26 UTCGHSA enrichment
Show 75 more
  1. 2026-08-30 19:17 UTCEPSS rescore
  2. 2026-08-30 01:22 UTCEPSS rescore
  3. 2026-08-28 21:41 UTCEPSS rescore
  4. 2026-08-27 23:14 UTCEG score recompute
  5. 2026-08-27 23:14 UTCVendor advisory
  6. 2026-08-27 23:14 UTCGHSA enrichment
  7. 2026-08-27 14:25 UTCEPSS rescore
  8. 2026-08-26 14:46 UTCEPSS rescore
  9. 2026-08-25 13:49 UTCEPSS rescore
  10. 2026-08-24 13:07 UTCEG score recompute
  11. 2026-08-24 13:07 UTCVendor advisory
  12. 2026-08-24 13:07 UTCGHSA enrichment
  13. 2026-08-23 08:56 UTCEG score recompute
  14. 2026-08-23 08:56 UTCVendor advisory
  15. 2026-08-23 08:56 UTCGHSA enrichment
  16. 2026-08-23 00:19 UTCEPSS rescore
  17. 2026-08-22 09:52 UTCEG score recompute
  18. 2026-08-22 09:52 UTCVendor advisory
  19. 2026-08-22 09:52 UTCGHSA enrichment
  20. 2026-08-21 23:49 UTCEPSS rescore
  21. 2026-08-21 06:12 UTCEG score recompute
  22. 2026-08-21 06:12 UTCVendor advisory
  23. 2026-08-21 06:12 UTCGHSA enrichment
  24. 2026-08-20 22:55 UTCEPSS rescore
  25. 2026-08-20 06:59 UTCEG score recompute
  26. 2026-08-20 06:59 UTCVendor advisory
  27. 2026-08-20 06:59 UTCGHSA enrichment
  28. 2026-08-19 17:04 UTCEPSS rescore
  29. 2026-08-19 01:07 UTCEG score recompute
  30. 2026-08-19 01:07 UTCVendor advisory
  31. 2026-08-19 01:07 UTCGHSA enrichment
  32. 2026-08-18 13:48 UTCEPSS rescore
  33. 2026-08-17 13:47 UTCEPSS rescore
  34. 2026-08-17 06:37 UTCEG score recompute
  35. 2026-08-17 06:37 UTCVendor advisory
  36. 2026-08-17 06:37 UTCGHSA enrichment
  37. 2026-08-16 14:56 UTCEPSS rescore
  38. 2026-08-16 07:23 UTCEG score recompute
  39. 2026-08-16 07:23 UTCVendor advisory
  40. 2026-08-16 07:23 UTCGHSA enrichment
  41. 2026-08-16 02:14 UTCEPSS rescore
  42. 2026-08-15 08:23 UTCEG score recompute
  43. 2026-08-15 08:23 UTCVendor advisory
  44. 2026-08-15 08:23 UTCGHSA enrichment
  45. 2026-08-15 01:30 UTCEPSS rescore
  46. 2026-08-14 08:55 UTCEG score recompute
  47. 2026-08-14 08:55 UTCVendor advisory
  48. 2026-08-14 08:55 UTCGHSA enrichment
  49. 2026-08-13 22:00 UTCEPSS rescore
  50. 2026-08-13 09:53 UTCEG score recompute
  51. 2026-08-13 09:53 UTCVendor advisory
  52. 2026-08-13 09:53 UTCGHSA enrichment
  53. 2026-08-12 13:51 UTCEPSS rescore
  54. 2026-08-12 10:53 UTCEG score recompute
  55. 2026-08-12 10:53 UTCVendor advisory
  56. 2026-08-12 10:53 UTCGHSA enrichment
  57. 2026-08-11 11:51 UTCEG score recompute
  58. 2026-08-11 11:51 UTCVendor advisory
  59. 2026-08-11 11:51 UTCGHSA enrichment
  60. 2026-08-11 00:00 UTCEPSS rescore
  61. 2026-08-10 12:50 UTCVendor advisory
  62. 2026-08-10 12:50 UTCGHSA enrichment
  63. 2026-08-09 13:49 UTCEG score recompute
  64. 2026-08-09 13:49 UTCVendor advisory
  65. 2026-08-09 13:49 UTCGHSA enrichment
  66. 2026-08-09 13:46 UTCEPSS rescore
  67. 2026-08-08 16:37 UTCEPSS rescore
  68. 2026-08-08 14:49 UTCEG score recompute
  69. 2026-08-08 14:49 UTCVendor advisory
  70. 2026-08-08 14:49 UTCGHSA enrichment
  71. 2026-08-07 15:47 UTCVendor advisory
  72. 2026-08-07 15:47 UTCGHSA enrichment
  73. 2026-08-06 16:46 UTCEG score recompute
  74. 2026-08-06 16:46 UTCVendor advisory
  75. 2026-08-06 16:46 UTCGHSA enrichment

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 82.2% 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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