CVE-2026-71675

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-18. 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 weekElevated
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: Elevated riskExposed: 0

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

An issue in Open5GS v.2.7.0 allows a remote attacker to cause a denial of service via the ngap_send_to_nas() function in src/amf/ngap-path.c

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
65(Attend)
EG Risk 65/100SSVC: Attend

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%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
33%
KEV
Not listed

Published

August 18, 2026

Last Modified

August 31, 2026

Advisory Details (1)

Auto-updated Aug 19, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Memory Leakage in Open5GS AMF · GitHub

https://gist.github.com/centauruszzz/fa7e78c6657132dae95318bc4600194b

Vendor Advisories for CVE-2026-71675(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 25× in last 7d / 112× 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 130 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-71675?
CVE-2026-71675 is a high vulnerability published on August 18, 2026. An issue in Open5GS v.2.7.0 allows a remote attacker to cause a denial of service via the ngapsendto_nas() function in src/amf/ngap-path.c
When was CVE-2026-71675 disclosed?
CVE-2026-71675 was first published in the National Vulnerability Database on August 18, 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-2026-71675 actively exploited?
CVE-2026-71675 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 67.4% of all scored CVEs.
What is the CVSS score of CVE-2026-71675?
CVE-2026-71675 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-71675?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-71675, 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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