CVE-2026-94043

5.5 mediumEPSS 0.6%

Medium (5.5). EPSS 0.6% chance of exploitation in the next 30 days.

A vulnerability was determined in Free5GC up to 4.2.3. This vulnerability affects unknown code of the file /corefuzzer_deps/free5gc/NFs/amf/internal/gmm/handler.go of the component Gmm Handler. This manipulation causes race condition. The attack can be initiated remotely. Patch name: e323b01464355781b8b8d5dd695e05cbc00a62f2. To fix this issue, it is recommended to deploy a patch.

Severity

CVSS 4.0

5.5 medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

CVSS 3.1

5.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 47% of CVEs (scores of 2026-10-31)
CWE: CWE-362
Published: 2026-09-20
Modified: 2026-09-21
Record from: the NVD, synced 2026-10-19

References

https://github.com/free5gc/amf/commit/e323b01464355781b8b8d5dd695e05cbc00a62f2
https://github.com/free5gc/amf/pull/238
https://github.com/free5gc/free5gc/
https://github.com/free5gc/free5gc/issues/1109
https://vuldb.com/cve/CVE-2026-94043

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