CVE-2026-44317

Summary of findings (CVE-2026-44317) : In free5GC’s PCF component, the POST /npcf-policyauthorization/v1/app-sessions handler can panic on a single authenticated request when ascReqData.suppFeat == "1" (traffic-routing feature negotiation) and medComponents includes an AfAppId but no AfRoutReq. T...

CVE-2026-44322 free5GC: NEF 3gpp-pfd-management PATCH applications/{appId} panics on UDR access failure due to nil ProblemDetails dereference

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 nil-pointer dereference when the upstream UDR call fails AND the consumer wrapper returns err != nil...

CVE-2026-44322 free5GC: NEF 3gpp-pfd-management PATCH applications/{appId} panics on UDR access failure due to nil ProblemDetails dereference

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 nil-pointer dereference when the upstream UDR call fails AND the consumer wrapper returns err != nil...

CVE-2026-44322

The CVE-2026-44322 family describes a nil-pointer dereference panic in free5GC NEF PATCH /3gpp-pfd-management/v1/{afId}/transactions/{transId}/applications/{appId} that occurs when upstream UDR calls fail and the consumer wrapper returns err != nil with a nil *ProblemDetails. In the errPfdData br...

EUVD-2026-32576

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 nil-pointer dereference when the upstream UDR call fails AND the consumer wrapper returns err != nil...

CVE-2026-44322

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 nil-pointer dereference when the upstream UDR call fails AND the consumer wrapper returns err != nil...

CVE-2026-44323

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 handler contains a nil-pointer dereference reachable from a single authenticated request, after one...

CVE-2026-44323 free5GC: UDR nudr-dr DELETE amf-subscriptions panics on missing subsId when UE state exists (nil pointer dereference)

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 handler contains a nil-pointer dereference reachable from a single authenticated request, after one...

CVE-2026-44323 free5GC: UDR nudr-dr DELETE amf-subscriptions panics on missing subsId when UE state exists (nil pointer dereference)

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 handler contains a nil-pointer dereference reachable from a single authenticated request, after one...

CVE-2026-44323 free5GC: UDR nudr-dr DELETE amf-subscriptions panics on missing subsId when UE state exists (nil pointer dereference)

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 handler contains a nil-pointer dereference reachable from a single authenticated request, after one...

EUVD-2026-32575

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 handler contains a nil-pointer dereference reachable from a single authenticated request, after one...

CVE-2026-44328

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/v1/upNodesLinks/upNodeRef handler unconditionally dereferences upNode.UPF after the type-guarded...

CVE-2026-44328 free5GC: SMF UPI DELETE /upi/v1/upNodesLinks/{ref} panics on AN-node deletion via nil UPF dereference; unauthenticated, state-mutating

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/v1/upNodesLinks/upNodeRef handler unconditionally dereferences upNode.UPF after the type-guarded...

CVE-2026-44328

Summary: CVE-2026-44328 affects free5GC SMF 4.2.1 and is fixed in 4.2.2 via upstream patch PR#199. The SMBI UPI route group was left without inbound OAuth2 middleware, allowing unauthenticated access to delete endpoints. The DELETE /upi/v1/upNodesLinks/{upNodeRef} handler unconditionally derefere...

CLSA-2026-1779462193 Fix CVE(s): CVE-2026-33515

SECURITY UPDATE: out-of-bounds read when handling malformed ICP traffic - debian/patches/CVE-2026-33515.patch: validate ICP packet sizes and URLs in icpGetUrl; reject non-NUL-terminated URLs, URLs with embedded NULs or trailing garbage; guard icpHandleUdp against a nil icpOutgoingConn pointer -...

golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: SSH client panic due to unexpected SSH_AGENT_SUCCESS

A flaw in golang.org/x/crypto/ssh/agent causes the SSH agent client to panic when a peer responds with the generic SSHAGENTSUCCESS 0x06 message to requests expecting typed replies e.g., List, Sign. The unmarshal layer produces an unexpected message type, which the client code does not handle,...

CVE-2026-40195

A flaw was found in Incus, a system container and virtual machine manager. An authenticated user with access to the storage bucket feature can exploit a missing validation logic in the storage bucket import process. By providing a malicious or malformed index.yaml file that omits the configuratio...

BIT-ARGO-WORKFLOWS-2026-42183 Argo Workflows: SSO RBAC Delegation Nil Pointer Dereference DoS (gatekeeper.go)

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. From version 4.0.0 to before version 4.0.5, a nil pointer dereference in server/auth/gatekeeper.go rbacAuthorization causes a panic denial of service for SSO users whose claims match a...

PT-2026-40269

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. From version 4.0.0 to before version 4.0.5, a nil pointer dereference in server/auth/gatekeeper.go rbacAuthorization causes a panic denial of service for SSO users whose claims match a...

CVE-2026-42183

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. From version 4.0.0 to before version 4.0.5, a nil pointer dereference in server/auth/gatekeeper.go rbacAuthorization causes a panic denial of service for SSO users whose claims match a...