CVE-2026-44317

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 ascReqData.suppFeat == "1" enabling traffic-routing feature negotiation and whose medComponents...

EUVD-2026-32551

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 ascReqData.suppFeat == "1" enabling traffic-routing feature negotiation and whose medComponents...

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...

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 null pointer dereferencing in the PCF’s app-sessions handler under certain conditions, which could lead to a 500...

free5GC's PCF npcf-policyauthorization POST /app-sessions panics on suppFeat=1 with missing AfRoutReq via nil pointer dereference

Summary free5GC's PCF POST /npcf-policyauthorization/v1/app-sessions handler panics on a single authenticated request whose ascReqData.suppFeat == "1" enabling traffic-routing feature negotiation and whose medComponents entries supply an afAppId but NO AfRoutReq. The create path then calls...

Published app sessions not ending due to WEM UI agent appearing in the system tray

In configuration sets where the WEM UI agent is configured to launch for both server desktop and app sessions, published app sessions remain connected after closing the published app. Checking the Connection Center in Citrix Receiver, the WEM agent icon is listed as the only connection back to th...