CVE-2026-91855: fallo de gravedad media en Open5GS
Open5GS PFCP Message handler.c denial of service
Publicada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
33Vexday Risk Score
Sin señal de explotación. Ella tiene prueba de concepto pública.
ssvc Attendcvss 6.9epss 0.7%
A security flaw has been discovered in Open5GS up to 2.7.7. Affected by this vulnerability is an unknown functionality of the file lib/pfcp/handler.c of the component PFCP Message Handler. Performing a manipulation results in denial of service. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. The patch is named 028e1dbb5e3271035ccee906ef417a97fc523f71. Applying a patch is the recommended action to fix this issue. CVE-2025-29339 describes a different assertion failure vulnerability in Open5GS UPF.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Productos afectados
n/a · Open5GSPoCs públicas encontradas — 1
cve_referencegithub.com/open5gs/open5gs/issues/4699no verificado⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
Referencias
https://github.com/open5gs/open5gs/https://github.com/open5gs/open5gs/commit/028e1dbb5e3271035ccee906ef417a97fc523f71https://github.com/open5gs/open5gs/issues/4699https://vuldb.com/cve/CVE-2026-91855https://vuldb.com/submit/933834https://vuldb.com/vuln/404086https://vuldb.com/vuln/404086/cti