VulnerabilityAnalyzed

CVE-2026-8224

A vulnerability was determined in Open5GS up to 2.7.7.

MEDIUM 5.5EPSS 0.50%

Does this matter?

Lower severity and a low EPSS score (0.50%). Track it; it rarely justifies an emergency change on its own.

Description

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: 5.5 MEDIUMCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.50% probability · 41th percentile
CISA KEV: Not listed
Weakness: CWE-404
Affected: open5gs/open5gs
Source: cna@vuldb.com

References

https://github.com/open5gs/open5gs/Product
https://github.com/open5gs/open5gs/issues/4439Exploit, Issue Tracking
https://vuldb.com/submit/808443Third Party Advisory, VDB Entry
https://vuldb.com/vuln/362441Third Party Advisory, VDB Entry
https://vuldb.com/vuln/362441/ctiPermissions Required, VDB Entry

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.