EUVD-2026-40870

In Modem, there is a possible system crash due to improper input validation. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patc...

CVE-2026-20457

The Modem component is vulnerable to a system crash caused by improper input validation . If a User Equipment (UE) connects to a rogue base station controlled by an attacker, it can lead to a remote denial of service . This vulnerability requires no additional execution privileges and no user int...

PT-2026-54452

Name of the Vulnerable Software and Affected Versions Modem affected versions not specified Description Improper input validation in the modem can cause a system crash, leading to a remote denial of service. This occurs if a User Equipment UE connects to a rogue base station controlled by an...

PT-2026-54455

Name of the Vulnerable Software and Affected Versions Modem affected versions not specified Description Improper input validation in the modem allows for remote information disclosure. This occurs when a User Equipment UE connects to a rogue base station controlled by an attacker. The exploitatio...

CVE-2026-20457: NULL Pointer Dereference

In Modem, there is a possible system crash due to improper input validation. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patc...

CVE-2026-20459: Authentication Bypass Using an Alternate Path or Channel

In Modem, there is a possible system crash due to improper input validation. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patc...

CVE-2026-20458: Out-of-bounds Write

In Modem, there is a possible memory corruption due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for...

CVE-2026-20461: Out-of-bounds Write

In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation...

CVE-2026-20460: Authentication Bypass Using an Alternate Path or Channel

In Modem, there is a possible information disclosure due to improper input validation. This could lead to remote information disclosure, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for...

CVE-2026-20449

In Modem, there is a possible system crash due to a heap buffer overflow. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch I...

CVE-2026-20450

In Modem, there is a possible system crash due to incorrect error handling. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch...

CVE-2026-37232

An issue was discovered in OpenAirInterface5G 2.4.0 nr-softmodem in the E2SM-KPM RAN Function's PRB utilization metric calculation. The functions fillRRUPrbTotDl and fillRRUPrbTotUl in openair2/E2AP/RANFUNCTION/O-RAN/ranfunckpmsubs.c lines 182 and 197 compute PRB usage percentages by dividing by...

openairinterface5G security vulnerability

openairinterface5G is an open-source implementation of the OAI project, focusing on the research, development, and testing of 5G NR New Radio core networks and access networks. Version 2.4.0 of openairinterface5G contains a security vulnerability. This vulnerability stems from the E2SM-KPM RAN...

PT-2026-45511

Name of the Vulnerable Software and Affected Versions OpenAirInterface5G version 2.4.0 Description An issue exists in the E2SM-KPM RAN Function's PRB utilization metric calculation within the nr-softmodem component. The functions fill RRU PrbTotDl and fill RRU PrbTotUl compute PRB usage percentag...

Improperly Implemented Security Check for Standard

Overview Affected versions of this package are vulnerable to Improperly Implemented Security Check for Standard due to improper enforcement of security rules during concurrent execution of Security Mode Command and N2 handover procedures. An attacker can cause handover failures and disrupt networ...

Improperly Implemented Security Check for Standard

Overview Affected versions of this package are vulnerable to Improperly Implemented Security Check for Standard due to improper enforcement of security rules during concurrent execution of Security Mode Command and N2 handover procedures. An attacker can cause handover failures and disrupt networ...

Improperly Implemented Security Check for Standard

Overview Affected versions of this package are vulnerable to Improperly Implemented Security Check for Standard due to improper enforcement of security rules during concurrent execution of Security Mode Command and N2 handover procedures. An attacker can cause handover failures and disrupt networ...

CVE-2026-44475

Ella Core is a 5G core designed for private networks. Prior to 1.10.0, Ella Core does not verify the UE Security Capabilities received in NGAP PathSwitchRequest messages against its locally stored values. A malicious gNB can overwrite Ella Core's stored UE security capabilities for any UE with...

CVE-2026-44318 free5GC: BSF concurrent PUT /nbsf-management/v1/subscriptions/{subId} crashes the BSF process via concurrent map read/write on Subscriptions

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's BSF PUT /nbsf-management/v1/subscriptions/subId handler has an unsynchronized write on the global Subscriptions map. The handler first reads the map under RLock via BSFContext.GetSubscriptionsubId, but if t...

CVE-2026-44475 Ella Core: UE Security Capability bypass on NGAP PathSwitchRequest

Ella Core is a 5G core designed for private networks. Prior to 1.10.0, Ella Core does not verify the UE Security Capabilities received in NGAP PathSwitchRequest messages against its locally stored values. A malicious gNB can overwrite Ella Core's stored UE security capabilities for any UE with...