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Unrated severityNVD Advisory· Published Feb 6, 2026· Updated Feb 23, 2026

Free5GC SMF SessionDeletionResponse null pointer dereference

CVE-2026-1976

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.

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Affected products

2
  • Free5gc/Free5gcv52 versions
    cpe:2.3:a:free5gc:free5gc:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:free5gc:free5gc:*:*:*:*:*:*:*:*range: 4.0
    • (no CPE)range: <=4.1.0

Patches

Vulnerability mechanics

References

6

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