CVE-2026-1973
A vulnerability was determined in Free5GC up to 4.1.0.
Does this matter?
Lower severity and a low EPSS score (0.61%). Track it; it rarely justifies an emergency change on its own.
Description
A vulnerability was determined in Free5GC up to 4.1.0. The impacted element is the function establishPfcpSession of the component SMF. Executing a manipulation can lead to null pointer dereference. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. It is best practice to apply a patch to resolve this issue.
- CVSS 4.0
- 5.5 MEDIUMCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.61% probability · 49th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-404, CWE-476
- Affected
- free5gc/free5gc
- Source
- cna@vuldb.com
EPSS 0.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/free5gc/free5gc/Product
- https://github.com/free5gc/free5gc/issues/815Exploit, Issue Tracking, Vendor Advisory
- https://github.com/free5gc/free5gc/issues/815#issue-3832032062Exploit, Issue Tracking, Vendor Advisory
- https://github.com/free5gc/smf/pull/189Issue Tracking
- https://vuldb.com/?ctiid.344495Permissions Required, VDB Entry
- https://vuldb.com/?id.344495Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.743236Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.