High severity · published Feb 6, 2026
CVE-2026-1975
Free5GC pfcp_reports.go identityTriggerType null pointer dereference
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
A security flaw has been discovered in Free5GC up to 4.1.0. This impacts the function identityTriggerType of the file pfcp_reports.go. The manipulation results in null pointer dereference. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. Applying a patch is advised to resolve this issue.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
Free5GC · Free5gc
4.0; 4.1.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1975
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1975
Product
https://github.com/free5gc/free5gc/
Exploit
https://github.com/free5gc/free5gc/issues/814
Exploit
https://github.com/free5gc/free5gc/issues/814#issue-3831993593
Issue Tracking
https://github.com/free5gc/smf/pull/189
Permissions Required
https://vuldb.com/?ctiid.344497
Third Party Advisory
https://vuldb.com/?id.344497
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