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Vulnerabilities published in the last 30 days. Filter by severity, exploit status, or attack vector.

Score
Vulnerability
Published
10.0 CRITICAL
CVE-2026-44329 — free5GC: SMF UPI management interface lacks auth middleware; unauthenticated topology rea…

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's SMF mounts the UPI management route group without OAuth2/bearer-token authorization middleware. A network at…

Remote | Authorization
May 27, 2026 May 27, 2026
May 27, 2026
May 27, 2026
8.2 HIGH
CVE-2026-44328 — free5GC: SMF UPI DELETE /upi/v1/upNodesLinks/{ref} panics on AN-node deletion via nil UPF…

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's SMF mounts the UPI management route group without inbound OAuth2 middleware. On top of that, the DELETE /upi…

Remote | Denial of Service
May 27, 2026 May 27, 2026
May 27, 2026
May 27, 2026
10.0 CRITICAL
CVE-2026-44327 — free5GC: NEF nnef-oam route group is unauthenticated; no-token requests reach the OAM han…

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the nnef-oam route group without inbound OAuth2/bearer-token authorization. A network attacker wh…

Remote | Authorization
May 27, 2026 May 27, 2026
May 27, 2026
May 27, 2026
9.4 CRITICAL
CVE-2026-44326 — free5GC: NEF 3gpp-traffic-influence API is unauthenticated; missing or forged bearer toke…

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the 3gpp-traffic-influence API without inbound OAuth2/bearer-token authorization. A network attac…

Remote | Authentication
May 27, 2026 May 27, 2026
May 27, 2026
May 27, 2026
7.5 HIGH
CVE-2026-44325 — free5GC: NRF POST /oauth2/token structured-form parser type-confusion panic family (Refle…

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NRF root SBI endpoint POST /oauth2/token contains a parser-level type-confusion bug family. The handler in N…

Remote | Memory Corruption
May 27, 2026 May 27, 2026
May 27, 2026
May 27, 2026
6.5 MEDIUM
CVE-2026-44324 — free5GC: UDR nudr-dr DELETE amf-subscriptions panics on missing UE state via nil interfac…

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's UDR nudr-dr DELETE /subscription-data/{ueId}/{servingPlmnId}/ee-subscriptions/{subsId}/amf-subscriptions han…

Remote | Denial of Service
May 27, 2026 May 27, 2026
May 27, 2026
May 27, 2026
4.3 MEDIUM
CVE-2026-44323 — free5GC: UDR nudr-dr DELETE amf-subscriptions panics on missing subsId when UE state exis…

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's UDR nudr-dr DELETE /subscription-data/{ueId}/{servingPlmnId}/ee-subscriptions/{subsId}/amf-subscriptions han…

Remote | Information Disclosure
May 27, 2026 May 27, 2026
May 27, 2026
May 27, 2026
7.5 HIGH
CVE-2026-44322 — free5GC: NEF 3gpp-pfd-management PATCH applications/{appId} panics on UDR access failure …

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF PATCH /3gpp-pfd-management/v1/{afId}/transactions/{transId}/applications/{appId} handler panics with a n…

Remote | Information Disclosure
May 27, 2026 May 27, 2026
May 27, 2026
May 27, 2026
7.5 HIGH
CVE-2026-44321 — free5GC: SMF UPI POST /upi/v1/upNodesLinks exits the SMF process on overlapping UE pools …

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's SMF mounts the UPI management route group without inbound OAuth2 middleware. The POST /upi/v1/upNodesLinks c…

Remote | Denial of Service
May 27, 2026 May 27, 2026
May 27, 2026
May 27, 2026
7.3 HIGH
CVE-2026-44320 — free5GC: NEF nnef-callback route group is unauthenticated; forged callback requests are a…

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the nnef-callback route group without inbound OAuth2/bearer-token authorization. A forged or arbi…

Remote | Authentication
May 27, 2026 May 27, 2026
May 27, 2026
May 27, 2026
7.5 HIGH
CVE-2026-44319 — free5GC: NEF crashes via logger.Fatal on PFD notification delivery failure (attacker-cont…

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF terminates the entire process when a stored PFD-subscription notifyUri cannot be reached. In PfdChangeNo…

Remote | Denial of Service
May 27, 2026 May 27, 2026
May 27, 2026
May 27, 2026
6.5 MEDIUM
CVE-2026-44318 — free5GC: BSF concurrent PUT /nbsf-management/v1/subscriptions/{subId} crashes the BSF pro…

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 Subscrip…

Remote | Race Condition
May 27, 2026 May 27, 2026
May 27, 2026
May 27, 2026
6.5 MEDIUM
CVE-2026-44317 — free5GC: PCF npcf-policyauthorization POST /app-sessions panics on suppFeat=1 with missin…

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's PCF POST /npcf-policyauthorization/v1/app-sessions handler panics on a single authenticated request whose as…

Remote | Memory Corruption
May 27, 2026 May 27, 2026
May 27, 2026
May 27, 2026
7.5 HIGH
CVE-2026-44316 — free5GC: PCF npcf-smpolicycontrol POST /sm-policies panics on downstream UDR/OpenAPI 404 …

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's PCF POST /npcf-smpolicycontrol/v1/sm-policies handler (HandleCreateSmPolicyRequest) panics with a nil-pointe…

Remote | Denial of Service
May 27, 2026 May 27, 2026
May 27, 2026
May 27, 2026
9.4 CRITICAL
CVE-2026-44315 — free5GC: NEF 3gpp-pfd-management API is unauthenticated; forged bearer tokens can create,…

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the 3gpp-pfd-management API without inbound OAuth2/bearer-token authorization. A network attacker…

Remote | Authentication
May 27, 2026 May 27, 2026
May 27, 2026
May 27, 2026
7.6 HIGH
CVE-2026-42790 — nameConstraints DNS bypass via subject CommonName fallback in public_key hostname verific…

Improper Certificate Validation vulnerability in Erlang OTP public_key (pubkey_cert and public_key modules) allows a DNS nameConstraints bypass via subject CommonName fallback in TLS hostname verific…

Remote
May 27, 2026 May 27, 2026
May 27, 2026
May 27, 2026
7.7 HIGH
CVE-2026-42459 — free5GC: Improper Input Validation and Generation of Error Message Containing Sensitive I…

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, the free5GC UDM component fails to validate the supi path parameter in six GET handlers of the nudm-sdm (Subscriber Da…

Remote | Injection
May 27, 2026 May 27, 2026
May 27, 2026
May 27, 2026
8.2 HIGH
CVE-2026-42083 — free5GC: PCF Npcf_SMPolicyControl missing authentication middleware allows unauthenticate…

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, PCF Npcf_SMPolicyControl missing authentication middleware allows unauthenticated access to SM policy handlers and dis…

Remote | Authentication
May 27, 2026 May 27, 2026
May 27, 2026
May 27, 2026
3.7 LOW
CVE-2026-42082 — free5GC: Missing Concurrent NAS SMC Validation During NGAP Handover

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, the AMF in Free5GC does not enforce the concurrent security procedure rules defined in 3GPP TS 33.501 §6.9.5.1. The AM…

| Authentication
May 27, 2026 May 27, 2026
May 27, 2026
May 27, 2026
6.1 MEDIUM
CVE-2026-42081 — free5GC: UE Security Capability bypass on NGAP PathSwitchRequest

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, the AMF in Free5GC does not verify the UE Security Capabilities received in NGAP PathSwitchRequest messages against it…

| Denial of Service
May 27, 2026 May 27, 2026
May 27, 2026
May 27, 2026
Showing 20 of 6585 Results