CVE-2026-8743
Open5GS AMF/MME context.c ran_ue_find_by_amf_ue_ngap_id improper authorization
Vexday Risk Score
33Atenção
Decisão SSVC (CISA)
Attend
PoC disponível → acompanhar de perto
CVSS 5.3EPSS 0.2%KEV nãoPoC públicaNuclei —Metasploit —Patch referenciado
Ciclo de vida
17 mai 2026Publicada no NVD
Recomendação: Planejar correção próxima — já existe PoC pública.
A vulnerability was found in Open5GS up to 2.7.6. This impacts the function ran_ue_find_by_amf_ue_ngap_id of the file src/amf/context.c of the component AMF/MME. Performing a manipulation results in improper authorization. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The patch is named 5746b8576cfceec18ed87eb7d8cf11b1fb4cd8b1. It is suggested to install a patch to address this issue.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Produtos afetados
n/a · Open5GSPoCs públicas encontradas — 1
cve_referencegithub.com/open5gs/open5gs/issues/4498não verificado⚠ Recursos públicos, para você avaliar a exposição de sistemas que controla ou está autorizado a testar. Teste apenas com autorização.
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Falar com a TrueHacking →Referências
https://github.com/open5gs/open5gs/https://github.com/open5gs/open5gs/commit/5746b8576cfceec18ed87eb7d8cf11b1fb4cd8b1https://github.com/open5gs/open5gs/issues/4498https://github.com/open5gs/open5gs/pull/4553https://vuldb.com/submit/814559https://vuldb.com/vuln/364330https://vuldb.com/vuln/364330/cti