CVE-2026-8783

MEDIUMNVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-05-18. NVD baseline CVSS 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.3Exploit: NoneExposed: 0

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

A security vulnerability has been detected in omec-project amf up to 2.1.3-dev. This impacts the function UERadioCapabilityCheckResponse of the file ngap/dispatcher.go. Such manipulation leads to null pointer dereference. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2.2.0 will fix this issue. Upgrading the affected component is advised. The same pull request fixes multiple security issues.

CVSS v3
4.3
EG Score
4.3(medium)
EPSS
32.0%
KEV
Not listed

Published

May 18, 2026

Last Modified

May 18, 2026

Advisory Details (4)

Auto-updated May 18, 2026
No patch confirmed yet.
generic

Release v2.2.0 · omec-project/amf · GitHub

https://github.com/omec-project/amf/releases/tag/v2.2.0
generic

Address multiple cases of crashes due to malformed NGAP input by gab-arrobo · Pull Request #666 · omec-project/amf · GitHub

https://github.com/omec-project/amf/pull/666
generic

Malformed UERadioCapabilityCheckResponse crashes the AMF · Issue #675 · omec-project/amf · GitHub

https://github.com/omec-project/amf/issues/675
generic

GitHub - omec-project/amf · GitHub

https://github.com/omec-project/amf/

Vendor Advisories for CVE-2026-8783(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(1 across 1 ecosystem)
Go(1)
PackageVulnerable rangeFixed inDependents
github.com/omec-project/amf—2.2.0—

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 45× 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. 2026-07-12 05:46 UTCEPSS rescore
  2. 2026-07-11 08:27 UTCEPSS rescore
  3. 2026-07-09 19:10 UTCEPSS rescore
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  15. 2026-06-30 23:22 UTCEPSS rescore
  16. 2026-06-29 21:12 UTCEG score recompute
  17. 2026-06-29 14:06 UTCEPSS rescore
  18. 2026-06-28 14:07 UTCEPSS rescore
  19. 2026-06-28 04:56 UTCEPSS rescore
  20. 2026-06-27 21:26 UTCEG score recompute
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  22. 2026-06-26 19:58 UTCEG score recompute
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  24. 2026-06-25 13:50 UTCEPSS rescore
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  1. 2026-06-23 21:33 UTCEPSS rescore
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  3. 2026-06-21 14:56 UTCEPSS rescore
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  5. 2026-06-19 19:26 UTCEPSS rescore
  6. 2026-06-18 17:52 UTCEPSS rescore
  7. 2026-06-17 21:33 UTCEG score recompute
  8. 2026-06-17 17:53 UTCEPSS rescore
  9. 2026-06-16 22:18 UTCEG score recompute
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  11. 2026-06-15 23:16 UTCEG score recompute
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  15. 2026-06-14 22:02 UTCEG score recompute
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  17. 2026-06-13 23:00 UTCEPSS rescore
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  20. 2026-06-12 17:49 UTCEG score recompute
  21. 2026-06-11 18:47 UTCEG score recompute
  22. 2026-06-11 14:00 UTCEPSS rescore
  23. 2026-06-10 22:19 UTCEPSS rescore
  24. 2026-06-10 19:46 UTCEG score recompute
  25. 2026-06-10 13:22 UTCEPSS rescore
  26. 2026-06-09 20:44 UTCEG score recompute
  27. 2026-06-08 21:40 UTCEG score recompute
  28. 2026-06-08 14:17 UTCEPSS rescore
  29. 2026-06-07 22:33 UTCEG score recompute
  30. 2026-06-07 15:25 UTCEPSS rescore
  31. 2026-06-06 23:31 UTCEG score recompute
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  36. 2026-06-05 01:28 UTCEG score recompute
  37. 2026-06-04 13:12 UTCEPSS rescore
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  40. 2026-06-02 20:13 UTCEPSS rescore
  41. 2026-06-02 04:21 UTCEG score recompute
  42. 2026-06-01 13:52 UTCEPSS rescore
  43. 2026-06-01 05:19 UTCEG score recompute
  44. 2026-05-31 22:30 UTCEPSS rescore
  45. 2026-05-31 00:16 UTCEPSS rescore
  46. 2026-05-29 13:44 UTCEPSS rescore
  47. 2026-05-28 13:44 UTCEPSS rescore
  48. 2026-05-27 13:40 UTCEPSS rescore
  49. 2026-05-26 13:44 UTCEPSS rescore
  50. 2026-05-26 07:18 UTCEPSS rescore
  51. 2026-05-21 22:43 UTCEPSS rescore
  52. 2026-05-20 22:38 UTCEPSS rescore
  53. 2026-05-20 11:51 UTCEG score recompute
  54. 2026-05-20 11:51 UTCGHSA enrichment
  55. 2026-05-20 11:22 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-8783?
CVE-2026-8783 is a medium vulnerability published on May 18, 2026. A security vulnerability has been detected in omec-project amf up to 2.1.3-dev. This impacts the function UERadioCapabilityCheckResponse of the file ngap/dispatcher.go. Such manipulation leads to null pointer dereference. The attack can be executed remotely. The exploit has been disclosed publicly…
When was CVE-2026-8783 disclosed?
CVE-2026-8783 was first published in the National Vulnerability Database on May 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-8783 actively exploited?
CVE-2026-8783 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 32.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-8783?
CVE-2026-8783 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-8783?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-8783, 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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