Description

A weakness has been identified in Free5GC up to 4.1.0. Affected is the function SessionDeletionResponse of the component SMF. This manipulation causes null pointer dereference. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. It is suggested to install a patch to address this issue.

INFO

Published Date :

2026-02-06T03:02:11.211Z

Last Modified :

2026-02-23T09:20:25.492Z

Source :

VulDB
AFFECTED PRODUCTS

The following products are affected by CVE-2026-1976 vulnerability.

Vendors Products
Free5gc
  • Free5gc
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-1976.

URL Resource
https://github.com/free5gc/free5gc/ cve-icon cve-icon
https://github.com/free5gc/free5gc/issues/817 cve-icon cve-icon
https://github.com/free5gc/free5gc/issues/817#issue-3832188092 cve-icon cve-icon
https://github.com/free5gc/smf/pull/189 cve-icon cve-icon
https://vuldb.com/?ctiid.344498 cve-icon cve-icon
https://vuldb.com/?id.344498 cve-icon cve-icon
https://vuldb.com/?submit.743239 cve-icon cve-icon
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CVSS Vulnerability Scoring System

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Attack Requirements
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User Interaction
VS Confidentiality
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SS Confidentiality
SS Integrity
SS Availability
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Attack Vector
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User Interaction
Scope
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Integrity Impact
Availability Impact
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Detailed values of each vector for above chart.
Access Vector
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Authentication
Confidentiality Impact
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