CVE-2026-8224
Open5GS PCF context.c pcf_sess_set_ipv6prefix denial of service
Vexday Risk Score
33Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 6.9EPSS 0.5%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
10 May 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
A vulnerability was determined in Open5GS up to 2.7.7. Affected by this issue is the function pcf_sess_set_ipv6prefix of the file /src/pcf/context.c of the component PCF. Executing a manipulation of the argument SmPolicyContextData.ipv6AddressPrefix can lead to denial of service. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
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
Affected products
n/a · Open5GSpublic PoCs found — 1
cve_referencegithub.com/open5gs/open5gs/issues/4439unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Want to know if your infrastructure is exposed to this?
Talk to TrueHacking →