CVE-2026-14618

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-07-04. the CNA's CVSS baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:vuldb, epss, ghsa
Trending — 4 sources updated this weekElevated
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: Elevated riskExposed: 0

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

A vulnerability was detected in Open5GS up to 2.7.7. Affected by this vulnerability is the function amf_nnrf_handle_nf_discover of the file src/amf/nnrf-handler.c of the component AMF. The manipulation results in denial of service. The attack may be launched remotely. The exploit is now public and may be used. The patch is identified as fb5f67703de0213fb9c6e6ef3b48b6c1707e9503. It is best practice to apply a patch to resolve this issue.

CVSS v3
4.3
EG Score
4.3(high)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
24%
KEV
Not listed

Published

July 4, 2026

Last Modified

July 27, 2026

Advisory Details (4)

Auto-updated Jul 4, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic

[Bug]: AMF DoS via unchecked NULL RAN-UE context in amf_nnrf_handle_nf_discover() during delayed NRF Discovery response · Issue #4517 · open5gs/open5gs · GitHub

https://github.com/open5gs/open5gs/issues/4517#issuecomment-4589606265
generic

[Bug]: AMF DoS via unchecked NULL RAN-UE context in amf_nnrf_handle_nf_discover() during delayed NRF Discovery response · Issue #4517 · open5gs/open5gs · GitHub

https://github.com/open5gs/open5gs/issues/4517
generic

GitHub - open5gs/open5gs: Open5GS is a C-language Open Source implementation for 5G Core and EPC, i.e. the core network of LTE/NR network (Release-19) · GitHub

https://github.com/open5gs/open5gs/
github_commit

commit fb5f67703de0 (ferrancanellas/open5gs)

Fix landed in ferrancanellas/open5gs commit fb5f67703de0 — awaiting tagged release

https://github.com/ferrancanellas/open5gs/commit/fb5f67703de0213fb9c6e6ef3b48b6c1707e9503

Vendor Advisories for CVE-2026-14618(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 16× in last 7d / 54× 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. 2026-07-28 05:23 UTCEG score recompute
  2. 2026-07-28 05:22 UTCGHSA enrichment
  3. 2026-07-27 14:13 UTCEPSS rescore
  4. 2026-07-27 07:38 UTCEG score recompute
  5. 2026-07-27 07:38 UTCGHSA enrichment
  6. 2026-07-27 07:37 UTCMITRE cvelistV5CVSS v4 → 5.3
  7. 2026-07-26 14:54 UTCEPSS rescore
  8. 2026-07-26 14:54 UTCEPSS rescore
  9. 2026-07-26 12:54 UTCEG score recompute
  10. 2026-07-26 12:54 UTCGHSA enrichment
  11. 2026-07-25 14:17 UTCEPSS rescore
  12. 2026-07-24 14:17 UTCEPSS rescore
  13. 2026-07-23 14:18 UTCEPSS rescore
  14. 2026-07-23 03:05 UTCEG score recompute
  15. 2026-07-22 14:08 UTCEPSS rescore
  16. 2026-07-21 15:24 UTCEPSS rescore
  17. 2026-07-20 17:08 UTCEPSS rescore
  18. 2026-07-19 14:30 UTCEPSS rescore
  19. 2026-07-19 02:28 UTCEPSS rescore
  20. 2026-07-18 10:04 UTCEPSS rescore
  21. 2026-07-16 22:45 UTCGHSA enrichment
  22. 2026-07-16 17:02 UTCEPSS rescore
  23. 2026-07-16 01:02 UTCGHSA enrichment
  24. 2026-07-15 16:57 UTCEPSS rescore
  25. 2026-07-15 03:18 UTCGHSA enrichment
Show 29 more
  1. 2026-07-15 02:00 UTCEPSS rescore
  2. 2026-07-14 05:33 UTCGHSA enrichment
  3. 2026-07-13 22:30 UTCEPSS rescore
  4. 2026-07-13 07:50 UTCGHSA enrichment
  5. 2026-07-13 06:12 UTCEPSS rescore
  6. 2026-07-12 10:07 UTCGHSA enrichment
  7. 2026-07-12 05:46 UTCEPSS rescore
  8. 2026-07-11 12:22 UTCGHSA enrichment
  9. 2026-07-11 08:27 UTCEPSS rescore
  10. 2026-07-10 14:37 UTCGHSA enrichment
  11. 2026-07-09 19:10 UTCEPSS rescore
  12. 2026-07-09 16:53 UTCGHSA enrichment
  13. 2026-07-08 19:10 UTCGHSA enrichment
  14. 2026-07-08 15:15 UTCEPSS rescore
  15. 2026-07-08 15:15 UTCEPSS rescore
  16. 2026-07-07 21:25 UTCGHSA enrichment
  17. 2026-07-07 13:46 UTCEPSS rescore
  18. 2026-07-06 23:41 UTCGHSA enrichment
  19. 2026-07-06 18:21 UTCNVD updateCVSS v4 → 2.1
  20. 2026-07-06 17:36 UTCMITRE cvelistV5CVSS v4 → 5.3
  21. 2026-07-06 16:27 UTCEPSS rescore
  22. 2026-07-06 02:23 UTCEPSS rescore
  23. 2026-07-06 01:57 UTCGHSA enrichment
  24. 2026-07-05 04:14 UTCGHSA enrichment
  25. 2026-07-05 02:30 UTCEPSS rescore
  26. 2026-07-05 02:30 UTCEPSS rescore
  27. 2026-07-04 08:27 UTCNVD updateCVSS v4 → 2.1
  28. 2026-07-04 06:28 UTCEG score recompute
  29. 2026-07-04 06:26 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-14618?
CVE-2026-14618 is a medium vulnerability published on July 4, 2026. A vulnerability was detected in Open5GS up to 2.7.7. Affected by this vulnerability is the function amfnnrfhandlenfdiscover of the file src/amf/nnrf-handler.c of the component AMF. The manipulation results in denial of service. The attack may be launched remotely. The exploit is now public and may…
When was CVE-2026-14618 disclosed?
CVE-2026-14618 was first published in the National Vulnerability Database on July 4, 2026, with the most recent update on July 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-14618 actively exploited?
CVE-2026-14618 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 76.1% of all scored CVEs.
What is the CVSS score of CVE-2026-14618?
CVE-2026-14618 has a CVSS v4.0 base score of 4.3 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-14618?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-14618, 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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