CVE-2026-82551

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory published 2026-08-30. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: Elevated riskExposed: 0

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

A weakness has been identified in Linux Foundation Magma 1.9.0. Affected is an unknown function of the file ngap_amf_handlers.c of the component NGSetup Handler. Executing a manipulation can lead to state issue. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
55(Attend)
EG Risk 55/100SSVC: 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
Severity53% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
24%
KEV
Not listed

Published

August 30, 2026

Last Modified

September 1, 2026

Advisory Details (2)

Auto-updated Aug 30, 2026
No patch confirmed yet.
generic

Linux Foundation - Decentralized innovation, built with trust

https://www.linuxfoundation.org/
generic

[Bug] AMF accepts message without NGSetup is successful · Issue #16021 · magma/magma · GitHub

https://github.com/magma/magma/issues/16021

Vendor Advisories for CVE-2026-82551(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 18× in last 7d / 59× 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. 2026-09-18 21:27 UTCEG score recompute
  2. 2026-09-18 21:27 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-17 21:08 UTCEG score recompute
  5. 2026-09-17 21:08 UTCGHSA enrichment
  6. 2026-09-16 21:33 UTCEG score recompute
  7. 2026-09-16 21:33 UTCGHSA enrichment
  8. 2026-09-16 14:08 UTCEPSS rescore
  9. 2026-09-16 05:15 UTCEPSS rescore
  10. 2026-09-15 21:57 UTCEG score recompute
  11. 2026-09-15 21:57 UTCGHSA enrichment
  12. 2026-09-15 03:12 UTCEPSS rescore
  13. 2026-09-15 03:12 UTCEPSS rescore
  14. 2026-09-14 22:21 UTCGHSA enrichment
  15. 2026-09-13 22:44 UTCEG score recompute
  16. 2026-09-13 22:44 UTCGHSA enrichment
  17. 2026-09-12 23:09 UTCEG score recompute
  18. 2026-09-12 23:09 UTCGHSA enrichment
  19. 2026-09-11 23:33 UTCEG score recompute
  20. 2026-09-11 23:33 UTCGHSA enrichment
  21. 2026-09-10 23:57 UTCEG score recompute
  22. 2026-09-10 23:57 UTCGHSA enrichment
  23. 2026-09-09 23:50 UTCGHSA enrichment
  24. 2026-09-08 23:36 UTCEG score recompute
  25. 2026-09-08 23:36 UTCGHSA enrichment
Show 34 more
  1. 2026-09-08 22:01 UTCEPSS rescore
  2. 2026-09-07 18:36 UTCEG score recompute
  3. 2026-09-07 18:36 UTCGHSA enrichment
  4. 2026-09-06 19:01 UTCEG score recompute
  5. 2026-09-06 19:01 UTCGHSA enrichment
  6. 2026-09-06 13:48 UTCEPSS rescore
  7. 2026-09-05 19:26 UTCEG score recompute
  8. 2026-09-05 19:26 UTCGHSA enrichment
  9. 2026-09-05 15:31 UTCEPSS rescore
  10. 2026-09-04 19:51 UTCEG score recompute
  11. 2026-09-04 19:50 UTCGHSA enrichment
  12. 2026-09-04 05:07 UTCEPSS rescore
  13. 2026-09-03 20:14 UTCGHSA enrichment
  14. 2026-09-02 20:39 UTCEG score recompute
  15. 2026-09-02 20:38 UTCGHSA enrichment
  16. 2026-09-02 14:12 UTCEPSS rescore
  17. 2026-09-01 21:02 UTCGHSA enrichment
  18. 2026-09-01 19:09 UTCEG score recompute
  19. 2026-09-01 19:09 UTCGHSA enrichment
  20. 2026-09-01 13:54 UTCEPSS rescore
  21. 2026-09-01 04:40 UTCEPSS rescore
  22. 2026-09-01 04:40 UTCEPSS rescore
  23. 2026-08-31 19:28 UTCEG score recompute
  24. 2026-08-31 19:28 UTCGHSA enrichment
  25. 2026-08-31 19:21 UTCNVD updateCVSS v4 → 5.5
  26. 2026-08-31 19:07 UTCEG score recompute
  27. 2026-08-31 19:07 UTCGHSA enrichment
  28. 2026-08-31 19:04 UTCMITRE cvelistV5CVSS v4 → 6.9
  29. 2026-08-31 17:07 UTCEG score recompute
  30. 2026-08-31 17:06 UTCGHSA enrichment
  31. 2026-08-30 17:24 UTCEG score recompute
  32. 2026-08-30 17:24 UTCNVD updateCVSS v4 → 5.5
  33. 2026-08-30 16:35 UTCEG score recompute
  34. 2026-08-30 16:34 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-82551?
CVE-2026-82551 is a medium vulnerability published on August 30, 2026. A weakness has been identified in Linux Foundation Magma 1.9.0. Affected is an unknown function of the file ngapamfhandlers.c of the component NGSetup Handler. Executing a manipulation can lead to state issue. The attack can be executed remotely. The exploit has been made available to the public…
When was CVE-2026-82551 disclosed?
CVE-2026-82551 was first published in the National Vulnerability Database on August 30, 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-2026-82551 actively exploited?
CVE-2026-82551 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 76.3% of all scored CVEs.
What is the CVSS score of CVE-2026-82551?
CVE-2026-82551 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-82551?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-82551, 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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