free5GC 代码问题漏洞

free5GC is an open-source project for the 5th generation 5G mobile core network. Versions of free5GC prior to 4.2.2 contained code vulnerabilities. These vulnerabilities stemmed from the UDR DELETE handler’s type assertion panic when the ueId was not present, which could potentially result in a 5...

Improper Check for Unusual or Exceptional Conditions

Overview Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions through improper handling of error conditions in the PatchIndividualApplicationPFDManagement process. An attacker can cause the application to panic and return a 500 Internal Server...

PT-2026-39246

Name of the Vulnerable Software and Affected Versions free5GC versions 4.1.0 through 4.2.1 Description A nil-pointer dereference occurs in the PCF HandleCreateSmPolicyRequest function when a downstream OpenAPI consumer call to the UDR lookup returns a 404 Not Found error. The handler logs the err...

GHSA-585V-HCGF-JHFR Free5GC UDM has Improper Input Validation and Generation of Error Messages Containing Sensitive Information

Summary The free5GC UDM component fails to validate the supi path parameter in six GET handlers of the nudm-sdm Subscriber Data Management service. An unauthenticated attacker can inject control characters into the SUPI parameter, causing UDM to forward a malformed request to UDR and return a 500...

PT-2026-38370

Name of the Vulnerable Software and Affected Versions free5GC versions prior to 4.2.2 Description The UDM component fails to validate the supi path parameter in six GET handlers of the nudm-sdm Subscriber Data Management service. An unauthenticated attacker can inject control characters into the...

CVE-2026-7708

A vulnerability was determined in Open5GS up to 2.7.7. The affected element is the function ogsdbisubscriptiondata in the library /lib/dbi/subscription.c of the component UDR. This manipulation of the argument supiid causes denial of service. The attack may be initiated remotely. The exploit has...

CVE-2026-7708 Open5GS UDR subscription.c ogs_dbi_subscription_data denial of service

A vulnerability was determined in Open5GS up to 2.7.7. The affected element is the function ogsdbisubscriptiondata in the library /lib/dbi/subscription.c of the component UDR. This manipulation of the argument supiid causes denial of service. The attack may be initiated remotely. The exploit has...

CVE-2026-7708

Summary: CVE-2026-7708 affects Open5GS up to 2.7.7, targeting the UDR component. The vulnerability lies in the function ogs_dbi_subscription_data (library path /lib/dbi/subscription.c), where manipulating the argument supi_id leads to a denial of service. Remote initiation is possible according t...

free5GC 代码问题漏洞

free5GC is an open-source project for the 5th generation 5G mobile core network. Versions of free5GC 1.4.2 and earlier contained code vulnerabilities. These vulnerabilities stemmed from a flaw in the UDR service, where open-ended failure request handling was flawed. As a result, the POST handler...

free5GC UDR: Fail-open handling in PolicyDataSubsToNotifyPost allows unintended subscription creation

Summary A fail-open request handling flaw in the UDR service causes the /nudr-dr/v2/policy-data/subs-to-notify POST handler to continue processing requests even after request body retrieval or deserialization errors. This may allow unintended creation of Policy Data notification subscriptions wit...

CVE-2026-40249

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-2026-40246

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-2026-40247

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-2026-40248

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 creating or updating Traffic Influence Subscriptions checks whether the influenceId path segment equals subs-to-notify, but does not return after sending the HTTP 404...

CVE-2026-40249

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-2026-40249

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-2026-40248

CVE-2026-40248 affects free5GC UDR (versions 4.2.1 and earlier). The vulnerability stems from improper path validation: when influenceId != subs-to-notify, the handler returns 404 but does not stop, allowing unauthenticated SBI clients to create/modify Traffic Influence Subscriptions by supplying...

CVE-2026-40247

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-2026-40246

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...