CVE-2026-4988

Open5GS 2.7.6 contains a denial-of-service vulnerability in the CCA Message Handler, affecting the functions smf_gx_cca_cb, smf_gy_cca_cb, and smf_s6b. The issue can be triggered remotely and stems from the manipulation of the mentioned components. Exploitability is described as difficult, and ex...

Open5GS 安全漏洞

Open5GS is an open-source implementation of 5G Core and EPC in C language, which serves as the core network for Lte/Nr networks. Version 2.7.6 of Open5GS contains a security vulnerability. This vulnerability stems from defects in the CCA message processing function, which may lead to...

PT-2026-28707

Name of the Vulnerable Software and Affected Versions Open5GS version 2.7.6 Description A security flaw exists in Open5GS 2.7.6, specifically within the CCA Message Handler component and the smf gx cca cb/smf gy cca cb/smf s6b function. This manipulation can lead to a denial of service. The attac...

CVE-2026-4240

A vulnerability was determined in Open5GS up to 2.7.6. The affected element is the function smfgxccacb/smfgyccacb/smfs6baaacb/smfs6bstacb of the component CCA Handler. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been publicly disclosed and may...

Open5GS Denial of Service Vulnerability (CNVD-2026-14249)

Open5GS is Open5GS open source an open source implementation in C of 5G Core and Epc, the core network of the Lte/Nr network. A denial of service vulnerability exists in Open5GS version 2.7.6 and earlier. The vulnerability stems from the function smfgxccacb/smfgyccacb/smfs6baaacb/smfs6bstacb of t...

EUVD-2026-12433

A vulnerability was determined in Open5GS up to 2.7.6. The affected element is the function smfgxccacb/smfgyccacb/smfs6baaacb/smfs6bstacb of the component CCA Handler. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been publicly disclosed and may...

CVE-2026-4240

A vulnerability was determined in Open5GS up to 2.7.6. The affected element is the function smfgxccacb/smfgyccacb/smfs6baaacb/smfs6bstacb of the component CCA Handler. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been publicly disclosed and may...

CVE-2026-4240

A vulnerability was determined in Open5GS up to 2.7.6. The affected element is the function smfgxccacb/smfgyccacb/smfs6baaacb/smfs6bstacb of the component CCA Handler. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been publicly disclosed and may...

CVE-2026-4240 Open5GS CCA smf_s6b_sta_cb denial of service

A vulnerability was determined in Open5GS up to 2.7.6. The affected element is the function smfgxccacb/smfgyccacb/smfs6baaacb/smfs6bstacb of the component CCA Handler. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been publicly disclosed and may...

CVE-2026-4240 Open5GS CCA smf_s6b_sta_cb denial of service

A vulnerability was determined in Open5GS up to 2.7.6. The affected element is the function smfgxccacb/smfgyccacb/smfs6baaacb/smfs6bstacb of the component CCA Handler. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been publicly disclosed and may...

CVE-2026-4240

Open5GS CVE-2026-4240 affects the CCA Handler in versions up to 2.7.6. The vulnerable functions are smf_gx_cca_cb, smf_gy_cca_cb, smf_s6b_aaa_cb, and smf_s6b_sta_cb. Root cause: improper handling in the CCA Handler leads to denial of service. Impact is remote, with no authentication required for ...

Open5GS 安全漏洞

Open5GS is Open5GS open source an open source implementation in C of 5G Core and Epc, the core network of the Lte/Nr network. A denial of service vulnerability exists in Open5GS version 2.7.6 and earlier. The vulnerability stems from the function smfgxccacb/smfgyccacb/smfs6baaacb/smfs6bstacb of t...

PT-2026-25744

A vulnerability was determined in Open5GS up to 2.7.6. The affected element is the function smf gx cca cb/smf gy cca cb/smf s6b aaa cb/smf s6b sta cb of the component CCA Handler. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been publicly...

CVE-2026-2524

A flaw has been found in Open5GS 2.7.6. The impacted element is the function mmes11handlecreatesessionresponse of the component MME. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been published and may be used. The project was informed of the...

CVE-2026-2523

A vulnerability was detected in Open5GS up to 2.7.6. The affected element is the function smfgnhandlecreatepdpcontextrequest of the file /src/smf/gn-handler.c of the component SMF. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The exploit is now...

CVE-2026-2522

A security vulnerability has been detected in Open5GS up to 2.7.6. Impacted is an unknown function of the file /src/mme/esm-build.c of the component MME. The manipulation leads to memory corruption. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be...

CVE-2026-2521

A weakness has been identified in Open5GS up to 2.7.6. This issue affects the function sgwcs5chandlecreatesessionresponse of the component SGW-C. Executing a manipulation can lead to memory corruption. The attack may be performed from remote. The exploit has been made available to the public and...

CVE-2026-2517

A security flaw has been discovered in Open5GS up to 2.7.6. This vulnerability affects the function ogsgtp2parsetft in the library lib/gtp/v2/types.c of the component SMF. Performing a manipulation of the argument pf0.content.length results in denial of service. The attack is possible to be carri...

EUVD-2026-6137

A flaw has been found in Open5GS 2.7.6. The impacted element is the function mmes11handlecreatesessionresponse of the component MME. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been published and may be used. The project was informed of the...

EUVD-2026-6136

A vulnerability was detected in Open5GS up to 2.7.6. The affected element is the function smfgnhandlecreatepdpcontextrequest of the file /src/smf/gn-handler.c of the component SMF. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The exploit is now...