CVE-2026-30073

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 NssaiAvailabilitySubscriptionCreate component of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted POST request.

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
38%
KEV
Not listed

Published

August 27, 2026

Last Modified

September 1, 2026

Advisory Details (1)

Auto-updated Sep 1, 2026
No patch confirmed yet.
generic

[Bugs] NSSF Nil Pointer Panic in NssaiAvailabilitySubscriptionCreate · Issue #764 · free5gc/free5gc · GitHub

https://github.com/free5gc/free5gc/issues/764

Vendor Advisories for CVE-2026-30073(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 27× in last 7d / 89× 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 19:59 UTCGHSA enrichment
  4. 2026-09-20 08:24 UTCGHSA enrichment
  5. 2026-09-19 20:39 UTCEG score recompute
  6. 2026-09-19 20:39 UTCGHSA enrichment
  7. 2026-09-19 09:04 UTCGHSA enrichment
  8. 2026-09-18 21:30 UTCEG score recompute
  9. 2026-09-18 21:30 UTCGHSA enrichment
  10. 2026-09-18 19:28 UTCEPSS rescore
  11. 2026-09-18 19:27 UTCEPSS rescore
  12. 2026-09-18 08:31 UTCGHSA enrichment
  13. 2026-09-17 20:56 UTCEG score recompute
  14. 2026-09-17 20:56 UTCGHSA enrichment
  15. 2026-09-17 19:30 UTCEPSS rescore
  16. 2026-09-17 09:05 UTCGHSA enrichment
  17. 2026-09-16 21:31 UTCEG score recompute
  18. 2026-09-16 21:31 UTCGHSA enrichment
  19. 2026-09-16 14:08 UTCEPSS rescore
  20. 2026-09-16 09:18 UTCEG score recompute
  21. 2026-09-16 09:18 UTCGHSA enrichment
  22. 2026-09-16 05:15 UTCEPSS rescore
  23. 2026-09-15 20:59 UTCGHSA enrichment
  24. 2026-09-15 08:49 UTCEG score recompute
  25. 2026-09-15 08:49 UTCGHSA enrichment
Show 64 more
  1. 2026-09-14 21:14 UTCGHSA enrichment
  2. 2026-09-14 09:30 UTCGHSA enrichment
  3. 2026-09-13 21:55 UTCEG score recompute
  4. 2026-09-13 21:55 UTCGHSA enrichment
  5. 2026-09-13 16:47 UTCEPSS rescore
  6. 2026-09-13 10:20 UTCGHSA enrichment
  7. 2026-09-12 22:46 UTCEG score recompute
  8. 2026-09-12 22:46 UTCGHSA enrichment
  9. 2026-09-12 15:01 UTCEPSS rescore
  10. 2026-09-12 11:11 UTCGHSA enrichment
  11. 2026-09-11 23:27 UTCEG score recompute
  12. 2026-09-11 23:27 UTCGHSA enrichment
  13. 2026-09-11 14:52 UTCEPSS rescore
  14. 2026-09-11 11:52 UTCEG score recompute
  15. 2026-09-11 11:52 UTCGHSA enrichment
  16. 2026-09-11 00:02 UTCGHSA enrichment
  17. 2026-09-10 11:54 UTCEG score recompute
  18. 2026-09-10 11:54 UTCGHSA enrichment
  19. 2026-09-10 09:34 UTCEPSS rescore
  20. 2026-09-10 00:02 UTCGHSA enrichment
  21. 2026-09-09 12:20 UTCGHSA enrichment
  22. 2026-09-09 00:46 UTCEG score recompute
  23. 2026-09-09 00:46 UTCGHSA enrichment
  24. 2026-09-08 22:00 UTCEPSS rescore
  25. 2026-09-08 02:42 UTCEG score recompute
  26. 2026-09-08 02:42 UTCGHSA enrichment
  27. 2026-09-07 16:01 UTCEPSS rescore
  28. 2026-09-07 15:08 UTCGHSA enrichment
  29. 2026-09-07 01:05 UTCEG score recompute
  30. 2026-09-07 01:05 UTCGHSA enrichment
  31. 2026-09-06 13:47 UTCEPSS rescore
  32. 2026-09-06 13:47 UTCEPSS rescore
  33. 2026-09-06 13:31 UTCGHSA enrichment
  34. 2026-09-06 01:57 UTCEG score recompute
  35. 2026-09-06 01:57 UTCGHSA enrichment
  36. 2026-09-05 14:19 UTCGHSA enrichment
  37. 2026-09-05 02:45 UTCGHSA enrichment
  38. 2026-09-04 15:10 UTCEG score recompute
  39. 2026-09-04 15:10 UTCGHSA enrichment
  40. 2026-09-04 05:06 UTCEPSS rescore
  41. 2026-09-04 03:35 UTCGHSA enrichment
  42. 2026-09-03 15:56 UTCGHSA enrichment
  43. 2026-09-03 04:21 UTCGHSA enrichment
  44. 2026-09-02 16:44 UTCEG score recompute
  45. 2026-09-02 16:44 UTCGHSA enrichment
  46. 2026-09-02 14:11 UTCEPSS rescore
  47. 2026-09-02 04:58 UTCEG score recompute
  48. 2026-09-02 04:58 UTCGHSA enrichment
  49. 2026-09-01 17:23 UTCGHSA enrichment
  50. 2026-09-01 16:53 UTCEG score recompute▲ 7.50
  51. 2026-09-01 16:53 UTCGHSA enrichment
  52. 2026-09-01 16:48 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
  53. 2026-09-01 13:53 UTCEPSS rescore
  54. 2026-09-01 04:39 UTCEPSS rescore
  55. 2026-09-01 04:39 UTCEPSS rescore
  56. 2026-08-31 20:13 UTCGHSA enrichment
  57. 2026-08-30 19:46 UTCEG score recompute
  58. 2026-08-30 19:46 UTCGHSA enrichment
  59. 2026-08-30 19:17 UTCEPSS rescore
  60. 2026-08-30 01:22 UTCEPSS rescore
  61. 2026-08-28 21:41 UTCEPSS rescore
  62. 2026-08-27 17:18 UTCNVD update
  63. 2026-08-27 16:50 UTCEG score recompute
  64. 2026-08-27 16:43 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-30073?
CVE-2026-30073 is a high vulnerability published on August 27, 2026. An issue in the NssaiAvailabilitySubscriptionCreate component of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted POST request.
When was CVE-2026-30073 disclosed?
CVE-2026-30073 was first published in the National Vulnerability Database on August 27, 2026, with the most recent update on September 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-30073 actively exploited?
CVE-2026-30073 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 62.3% of all scored CVEs.
What is the CVSS score of CVE-2026-30073?
CVE-2026-30073 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-30073?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-30073, 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

Explore the affected products and dependency analysis for CVE-2026-30073

Explore →

Is Your Infrastructure Affected by CVE-2026-30073?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs