CVE-2026-94043

MEDIUM 5.3

Free5GC Gmm handler.go race condition

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-362
Vendor	n/a
Product	free5gc
Published	Sep 20, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

n/a / Free5GC

4.2.0 4.2.1 4.2.2 4.2.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/407972 vuldb.com: https://vuldb.com/vuln/407972/cti vuldb.com: https://vuldb.com/cve/CVE-2026-94043 vuldb.com: https://vuldb.com/submit/949261 github.com: https://github.com/free5gc/free5gc/issues/1109 github.com: https://github.com/free5gc/amf/pull/238 github.com: https://github.com/free5gc/amf/commit/e323b01464355781b8b8d5dd695e05cbc00a62f2 github.com: https://github.com/free5gc/free5gc/

Credits

🔍 JinboXu (VulDB User)