VulnerabilityAnalyzed
CVE-2026-1976
A weakness has been identified in Free5GC up to 4.1.0.
MEDIUM 5.5EPSS 0.55%
Does this matter?
Lower severity and a low EPSS score (0.55%). Track it; it rarely justifies an emergency change on its own.
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.
- 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
- 0.55% probability · 44th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-404, CWE-476
- Affected
- free5gc/free5gc
- Source
- cna@vuldb.com
References
- https://github.com/free5gc/free5gc/Product
- https://github.com/free5gc/free5gc/issues/817Exploit, Issue Tracking, Vendor Advisory
- https://github.com/free5gc/free5gc/issues/817#issue-3832188092Exploit, Issue Tracking, Vendor Advisory
- https://github.com/free5gc/smf/pull/189Issue Tracking
- https://vuldb.com/?ctiid.344498Permissions Required, VDB Entry
- https://vuldb.com/?id.344498Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.743239Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.