CVE-2026-40249 free5gc UDR fail-open request handling in PolicyDataSubsToNotifySubsIdPut may allow unintended subscription updates after input errors

free5GC is an open-source implementation of the 5G core network. In versions 4.2.1 and below of the UDR service, the PUT handler for updating Policy Data notification subscriptions at /nudr-dr/v2/policy-data/subs-to-notify/subsId does not return after request body retrieval or deserialization...

CVE-2026-40247 free5gc UDR improper path validation allows unauthenticated access to Traffic Influence Subscriptions

free5GC is an open-source implementation of the 5G core network. In versions 4.2.1 and below of the UDR service, the handler for reading Traffic Influence Subscriptions checks whether the influenceId path segment equals subs-to-notify, but does not return after sending the HTTP 404 response when...

CVE-2026-40246 free5gc UDR improper path validation allows unauthenticated deletion of Traffic Influence Subscriptions

free5GC is an open-source implementation of the 5G core network. In versions 1.4.2 and below of the UDR service, the handler for deleting Traffic Influence Subscriptions checks whether the influenceId path segment equals subs-to-notify, but does not return after sending the HTTP 404 response when...

CVE-2026-40245

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. Versions 4.2.1 and below contain an information disclosure vulnerability in the UDR Unified Data Repository service. The handler for GET /nudr-dr/v2/application-data/influenceData/subs-to-notify sends a...

free5GC 安全漏洞

free5GC is an open-source project for the 5th generation 5G mobile core network. Versions of free5GC prior to 4.2.1 contained security vulnerabilities. These vulnerabilities stemmed from the PUT request handler in the UDR service, which failed to properly return values after request parsing or...

CVE-2026-40245

CVE-2026-40245 concerns Free5GC’s UDR service (versions 4.2.1 and below) where an information disclosure occurs via the 5G SBI endpoint GET /nudr-dr/v2/application-data/influenceData/subs-to-notify. When required query parameters are missing, the handler returns a 400 but does not stop execution,...

CVE-2026-40245 Free5GC: UDR nudr-dr influenceData/subs-to-notify leaks SUPI in error response body without authentication

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. Versions 4.2.1 and below contain an information disclosure vulnerability in the UDR Unified Data Repository service. The handler for GET /nudr-dr/v2/application-data/influenceData/subs-to-notify sends a...

CVE-2026-40245 Free5GC: UDR nudr-dr influenceData/subs-to-notify leaks SUPI in error response body without authentication

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. Versions 4.2.1 and below contain an information disclosure vulnerability in the UDR Unified Data Repository service. The handler for GET /nudr-dr/v2/application-data/influenceData/subs-to-notify sends a...

free5gc UDR improper path validation allows unauthenticated access to Traffic Influence Subscriptions

Summary An improper path validation vulnerability in the UDR service allows any unauthenticated attacker with access to the 5G Service Based Interface SBI to read Traffic Influence Subscriptions by supplying an arbitrary value in place of the expected subs-to-notify path segment. Details The...

GHSA-X5R2-R74C-3W28 free5gc UDR improper path validation allows unauthenticated access to Traffic Influence Subscriptions

Summary An improper path validation vulnerability in the UDR service allows any unauthenticated attacker with access to the 5G Service Based Interface SBI to read Traffic Influence Subscriptions by supplying an arbitrary value in place of the expected subs-to-notify path segment. Details The...

free5gc UDR improper path validation allows unauthenticated deletion of Traffic Influence Subscriptions

Summary An improper path validation vulnerability in the UDR service allows any unauthenticated attacker with access to the 5G Service Based Interface SBI to delete Traffic Influence Subscriptions by supplying an arbitrary value in place of the expected subs-to-notify path segment. Details The...

GHSA-G9CW-QWHF-24JP free5gc UDR improper path validation allows unauthenticated deletion of Traffic Influence Subscriptions

Summary An improper path validation vulnerability in the UDR service allows any unauthenticated attacker with access to the 5G Service Based Interface SBI to delete Traffic Influence Subscriptions by supplying an arbitrary value in place of the expected subs-to-notify path segment. Details The...

PT-2026-32974

Name of the Vulnerable Software and Affected Versions free5GC versions 4.2.1 and earlier Description An improper path validation issue exists in the UDR service. The endpoint 'GET /nudr-dr/v2/application-data/influenceData/influenceId/subscriptionId' is designed to operate only when the influence...

SUSE CVE-2026-33065

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. In versions prior to 1.4.2, the UDM incorrectly converts a downstream 400 Bad Request from UDR into a 500 Internal Server Error when handling DELETE requests with an empty supi path parameter. This leak...

Linux Distros Unpatched Vulnerability : CVE-2026-33192

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. In versions prior to 1.4.2, the UDM incorrectly converts a...

CVE-2026-33192

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. In versions prior to 1.4.2, the UDM incorrectly converts a downstream 400 Bad Request from UDR into a 500 Internal Server Error when handling PATCH requests with an empty supi path parameter...

CVE-2026-33192

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. In versions prior to 1.4.2, the UDM incorrectly converts a downstream 400 Bad Request from UDR into a 500 Internal Server Error when handling PATCH requests with an empty supi path parameter...

CVE-2026-33192

CVE-2026-33192 — Free5GC UDM PATCH handling issue : In Free5GC UDM (pre-1.4.2), PATCH requests with an empty supi path parameter can trigger internal misbehavior: a 400 from UDR is converted to 500, and PATCH is inappropriately translated to PUT when forwarded to UDR. This reveals internal error ...

CVE-2026-33065

CVE-2026-33065 affects Free5GC UDM (core network component) prior to version 1.4.2. When handling DELETE requests with an empty supi path (e.g., // in the URL), UDM forwards the malformed request to UDR (which returns 400) but UDM propagates it as 500 SYSTEM_FAILURE, leaking internal error handli...

CVE-2026-33065

Free5GC is an open-source Linux Foundation project for 5th generation 5G mobile core networks. In versions prior to 1.4.2, the UDM incorrectly converts a downstream 400 Bad Request from UDR into a 500 Internal Server Error when handling DELETE requests with an empty supi path parameter. This leak...