CVE-2026-30059

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-27. 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 — 3 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: 0%CVSS: 7.5Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

An issue in the NAS decoder component of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted Registration Request message.

CVSS v3
7.5
EG Score
7.5(high)
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%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
26%
KEV
Not listed

Published

August 27, 2026

Last Modified

August 31, 2026

Advisory Details (1)

Auto-updated Aug 31, 2026
No patch confirmed yet.
generic

[Bugs] NAS decoder fails to properly validate the length of the `5GSID` Information Element · Issue #813 · free5gc/free5gc · GitHub

https://github.com/free5gc/free5gc/issues/813

Vendor Advisories for CVE-2026-30059(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 28× in last 7d / 93× 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.

  1. 2026-09-20 20:15 UTCEPSS rescore
  2. 2026-09-20 20:15 UTCEPSS rescore
  3. 2026-09-20 12:47 UTCGHSA enrichment
  4. 2026-09-20 00:50 UTCEG score recompute
  5. 2026-09-20 00:50 UTCGHSA enrichment
  6. 2026-09-19 12:53 UTCGHSA enrichment
  7. 2026-09-19 00:57 UTCEG score recompute
  8. 2026-09-19 00:56 UTCGHSA enrichment
  9. 2026-09-18 19:28 UTCEPSS rescore
  10. 2026-09-18 19:27 UTCEPSS rescore
  11. 2026-09-18 13:00 UTCGHSA enrichment
  12. 2026-09-18 01:03 UTCEG score recompute
  13. 2026-09-18 01:03 UTCGHSA enrichment
  14. 2026-09-17 19:30 UTCEPSS rescore
  15. 2026-09-17 13:06 UTCGHSA enrichment
  16. 2026-09-17 00:39 UTCEG score recompute
  17. 2026-09-17 00:39 UTCGHSA enrichment
  18. 2026-09-16 14:08 UTCEPSS rescore
  19. 2026-09-16 12:42 UTCEG score recompute
  20. 2026-09-16 12:41 UTCGHSA enrichment
  21. 2026-09-16 05:15 UTCEPSS rescore
  22. 2026-09-16 00:45 UTCGHSA enrichment
  23. 2026-09-15 12:36 UTCEG score recompute
  24. 2026-09-15 12:36 UTCGHSA enrichment
  25. 2026-09-15 00:38 UTCGHSA enrichment
Show 68 more
  1. 2026-09-14 12:41 UTCGHSA enrichment
  2. 2026-09-14 00:40 UTCEG score recompute
  3. 2026-09-14 00:40 UTCGHSA enrichment
  4. 2026-09-13 16:47 UTCEPSS rescore
  5. 2026-09-13 12:43 UTCGHSA enrichment
  6. 2026-09-13 00:46 UTCEG score recompute
  7. 2026-09-13 00:46 UTCGHSA enrichment
  8. 2026-09-12 15:01 UTCEPSS rescore
  9. 2026-09-12 12:49 UTCGHSA enrichment
  10. 2026-09-12 00:52 UTCEG score recompute
  11. 2026-09-12 00:52 UTCGHSA enrichment
  12. 2026-09-11 14:52 UTCEPSS rescore
  13. 2026-09-11 12:55 UTCEG score recompute
  14. 2026-09-11 12:55 UTCGHSA enrichment
  15. 2026-09-11 00:36 UTCGHSA enrichment
  16. 2026-09-10 12:39 UTCEG score recompute
  17. 2026-09-10 12:39 UTCGHSA enrichment
  18. 2026-09-10 09:34 UTCEPSS rescore
  19. 2026-09-10 00:42 UTCGHSA enrichment
  20. 2026-09-09 12:45 UTCGHSA enrichment
  21. 2026-09-09 00:46 UTCEG score recompute
  22. 2026-09-09 00:46 UTCGHSA enrichment
  23. 2026-09-08 22:00 UTCEPSS rescore
  24. 2026-09-08 11:26 UTCGHSA enrichment
  25. 2026-09-07 20:51 UTCEG score recompute
  26. 2026-09-07 20:51 UTCGHSA enrichment
  27. 2026-09-07 16:01 UTCEPSS rescore
  28. 2026-09-07 08:51 UTCGHSA enrichment
  29. 2026-09-06 20:51 UTCEG score recompute
  30. 2026-09-06 20:51 UTCGHSA enrichment
  31. 2026-09-06 13:47 UTCEPSS rescore
  32. 2026-09-06 13:47 UTCEPSS rescore
  33. 2026-09-06 08:53 UTCGHSA enrichment
  34. 2026-09-05 20:57 UTCEG score recompute
  35. 2026-09-05 20:57 UTCGHSA enrichment
  36. 2026-09-05 08:59 UTCGHSA enrichment
  37. 2026-09-04 21:02 UTCEG score recompute
  38. 2026-09-04 21:01 UTCGHSA enrichment
  39. 2026-09-04 09:00 UTCEG score recompute
  40. 2026-09-04 09:00 UTCGHSA enrichment
  41. 2026-09-04 05:06 UTCEPSS rescore
  42. 2026-09-03 21:01 UTCGHSA enrichment
  43. 2026-09-03 09:03 UTCGHSA enrichment
  44. 2026-09-02 21:06 UTCEG score recompute
  45. 2026-09-02 21:06 UTCGHSA enrichment
  46. 2026-09-02 14:11 UTCEPSS rescore
  47. 2026-09-02 09:09 UTCGHSA enrichment
  48. 2026-09-01 21:11 UTCEG score recompute
  49. 2026-09-01 21:11 UTCGHSA enrichment
  50. 2026-09-01 13:53 UTCEPSS rescore
  51. 2026-09-01 09:10 UTCEG score recompute
  52. 2026-09-01 09:10 UTCGHSA enrichment
  53. 2026-09-01 04:39 UTCEPSS rescore
  54. 2026-09-01 04:39 UTCEPSS rescore
  55. 2026-08-31 21:09 UTCEG score recompute
  56. 2026-08-31 21:09 UTCGHSA enrichment
  57. 2026-08-31 17:24 UTCGHSA enrichment
  58. 2026-08-31 16:30 UTCEG score recompute▲ 7.50
  59. 2026-08-31 16:29 UTCGHSA enrichment
  60. 2026-08-31 16:29 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
  61. 2026-08-30 19:17 UTCEPSS rescore
  62. 2026-08-30 11:39 UTCEG score recompute
  63. 2026-08-30 11:39 UTCGHSA enrichment
  64. 2026-08-30 01:22 UTCEPSS rescore
  65. 2026-08-28 21:41 UTCEPSS rescore
  66. 2026-08-27 17:18 UTCNVD update
  67. 2026-08-27 16:50 UTCEG score recompute
  68. 2026-08-27 16:43 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-30059?
CVE-2026-30059 is a high vulnerability published on August 27, 2026. An issue in the NAS decoder component of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted Registration Request message.
When was CVE-2026-30059 disclosed?
CVE-2026-30059 was first published in the National Vulnerability Database on August 27, 2026, with the most recent update on August 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-30059 actively exploited?
CVE-2026-30059 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 74.3% of all scored CVEs.
What is the CVSS score of CVE-2026-30059?
CVE-2026-30059 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-30059?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-30059, 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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