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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.

PUBLISHED Reserved 2026-05-09 | Published 2026-05-10 | Updated 2026-05-10 | Assigner VulDB




MEDIUM: 6.9CVSS: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
MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
MEDIUM: 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
5.0AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

Problem types

Denial of Service

Timeline

2026-05-09:Advisory disclosed
2026-05-09:VulDB entry created
2026-05-09:VulDB entry last update

Credits

LinZiyu (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/362441 (VDB-362441 | Open5GS PCF context.c pcf_sess_set_ipv6prefix denial of service) vdb-entry technical-description

vuldb.com/vuln/362441/cti (VDB-362441 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/808443 (Submit #808443 | Open5gs PCF v2.7.7 Denial of Service) third-party-advisory

github.com/open5gs/open5gs/issues/4439 exploit issue-tracking

github.com/open5gs/open5gs/ product

cve.org (CVE-2026-8224)

nvd.nist.gov (CVE-2026-8224)

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