CVE-2026-91855: falha de média gravidade em Open5GS
Open5GS PFCP Message handler.c denial of service
Publicada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
33Vexday Risk Score
Sem sinal de exploração. Ela tem prova de conceito 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
Produtos afetados
n/a · Open5GSPoCs públicas encontradas — 1
cve_referencegithub.com/open5gs/open5gs/issues/4699não verificado⚠ Recursos públicos, para você avaliar a exposição de sistemas que controla ou está autorizado a testar. Teste apenas com autorização.
Referências
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