CVE-2026-30045

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 integer overflow in the /nnrf-disc/v1/nf-instances component of open5gs v2.7.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted HTTP/2 GET 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
33%
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

[Bug]: NRF crashes due to integer overflow · Issue #4263 · open5gs/open5gs · GitHub

https://github.com/open5gs/open5gs/issues/4263

Vendor Advisories for CVE-2026-30045(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 / 90× 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 23:23 UTCEG score recompute
  2. 2026-09-20 23:23 UTCGHSA enrichment
  3. 2026-09-20 20:15 UTCEPSS rescore
  4. 2026-09-20 20:15 UTCEPSS rescore
  5. 2026-09-20 10:58 UTCGHSA enrichment
  6. 2026-09-19 22:33 UTCEG score recompute
  7. 2026-09-19 22:33 UTCGHSA enrichment
  8. 2026-09-19 10:09 UTCGHSA enrichment
  9. 2026-09-18 21:45 UTCEG score recompute
  10. 2026-09-18 21:45 UTCGHSA enrichment
  11. 2026-09-18 19:28 UTCEPSS rescore
  12. 2026-09-18 19:27 UTCEPSS rescore
  13. 2026-09-18 09:21 UTCGHSA enrichment
  14. 2026-09-17 20:57 UTCEG score recompute
  15. 2026-09-17 20:57 UTCGHSA enrichment
  16. 2026-09-17 19:30 UTCEPSS rescore
  17. 2026-09-17 07:43 UTCGHSA enrichment
  18. 2026-09-16 19:18 UTCEG score recompute
  19. 2026-09-16 19:18 UTCGHSA enrichment
  20. 2026-09-16 14:08 UTCEPSS rescore
  21. 2026-09-16 06:53 UTCEG score recompute
  22. 2026-09-16 06:53 UTCGHSA enrichment
  23. 2026-09-16 05:15 UTCEPSS rescore
  24. 2026-09-15 18:29 UTCGHSA enrichment
  25. 2026-09-15 05:46 UTCEG score recompute
Show 65 more
  1. 2026-09-15 05:45 UTCGHSA enrichment
  2. 2026-09-14 17:20 UTCGHSA enrichment
  3. 2026-09-14 04:55 UTCEG score recompute
  4. 2026-09-14 04:55 UTCGHSA enrichment
  5. 2026-09-13 16:47 UTCEPSS rescore
  6. 2026-09-13 16:31 UTCGHSA enrichment
  7. 2026-09-13 04:06 UTCGHSA enrichment
  8. 2026-09-12 15:40 UTCEG score recompute
  9. 2026-09-12 15:40 UTCGHSA enrichment
  10. 2026-09-12 15:01 UTCEPSS rescore
  11. 2026-09-12 03:16 UTCEG score recompute
  12. 2026-09-12 03:16 UTCGHSA enrichment
  13. 2026-09-11 14:52 UTCEPSS rescore
  14. 2026-09-11 14:51 UTCEG score recompute
  15. 2026-09-11 14:51 UTCGHSA enrichment
  16. 2026-09-11 02:25 UTCGHSA enrichment
  17. 2026-09-10 14:00 UTCEG score recompute
  18. 2026-09-10 14:00 UTCGHSA enrichment
  19. 2026-09-10 09:34 UTCEPSS rescore
  20. 2026-09-10 01:36 UTCGHSA enrichment
  21. 2026-09-09 13:11 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 03:33 UTCEG score recompute
  26. 2026-09-08 03:33 UTCGHSA enrichment
  27. 2026-09-07 16:01 UTCEPSS rescore
  28. 2026-09-07 15:09 UTCGHSA enrichment
  29. 2026-09-07 02:26 UTCGHSA enrichment
  30. 2026-09-06 13:53 UTCEG score recompute
  31. 2026-09-06 13:53 UTCGHSA enrichment
  32. 2026-09-06 13:47 UTCEPSS rescore
  33. 2026-09-06 13:47 UTCEPSS rescore
  34. 2026-09-06 01:28 UTCEG score recompute
  35. 2026-09-06 01:28 UTCGHSA enrichment
  36. 2026-09-05 13:03 UTCGHSA enrichment
  37. 2026-09-05 00:39 UTCEG score recompute
  38. 2026-09-05 00:39 UTCGHSA enrichment
  39. 2026-09-04 12:13 UTCEG score recompute
  40. 2026-09-04 12:13 UTCGHSA enrichment
  41. 2026-09-04 05:06 UTCEPSS rescore
  42. 2026-09-03 23:48 UTCGHSA enrichment
  43. 2026-09-03 11:22 UTCGHSA enrichment
  44. 2026-09-02 22:55 UTCEG score recompute
  45. 2026-09-02 22:55 UTCGHSA enrichment
  46. 2026-09-02 14:11 UTCEPSS rescore
  47. 2026-09-02 10:27 UTCGHSA enrichment
  48. 2026-09-01 21:59 UTCEG score recompute
  49. 2026-09-01 21:59 UTCGHSA enrichment
  50. 2026-09-01 13:53 UTCEPSS rescore
  51. 2026-09-01 09:35 UTCGHSA enrichment
  52. 2026-08-31 21:09 UTCEG score recompute
  53. 2026-08-31 21:09 UTCGHSA enrichment
  54. 2026-08-31 17:24 UTCGHSA enrichment
  55. 2026-08-31 16:37 UTCEG score recompute▲ 7.50
  56. 2026-08-31 16:36 UTCGHSA enrichment
  57. 2026-08-31 16:34 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
  58. 2026-08-30 19:17 UTCEPSS rescore
  59. 2026-08-30 18:34 UTCEG score recompute
  60. 2026-08-30 18:34 UTCGHSA enrichment
  61. 2026-08-30 01:22 UTCEPSS rescore
  62. 2026-08-28 21:41 UTCEPSS rescore
  63. 2026-08-27 17:18 UTCNVD update
  64. 2026-08-27 16:50 UTCEG score recompute
  65. 2026-08-27 16:43 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-30045?
CVE-2026-30045 is a high vulnerability published on August 27, 2026. An integer overflow in the /nnrf-disc/v1/nf-instances component of open5gs v2.7.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted HTTP/2 GET request.
When was CVE-2026-30045 disclosed?
CVE-2026-30045 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-2026-30045 actively exploited?
CVE-2026-30045 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 66.9% of all scored CVEs.
What is the CVSS score of CVE-2026-30045?
CVE-2026-30045 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-30045?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-30045, 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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