CVE-2026-8743
Open5GS AMF/MME context.c ran_ue_find_by_amf_ue_ngap_id improper authorization
Vexday Risk Score
33Atención
Decisión SSVC (CISA)
Attend
PoC disponible → seguir de cerca
CVSS 5.3EPSS 0.2%KEV nãoPoC públicaNuclei —Metasploit —Patch referenciado
Ciclo de vida
17 may 2026Publicada en NVD
Recomendación: Planificar corrección próxima — ya 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
Productos afectados
n/a · Open5GSPoCs públicas encontradas — 1
cve_referencegithub.com/open5gs/open5gs/issues/4498no verificado⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
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Hablar con TrueHacking →Referencias
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