CVE-2026-8187 | THREATINT

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Description

A flaw has been found in Open5GS up to 2.7.7. This impacts the function _gtpv1_u_recv_cb of the file src/upf/gtp-path.c of the component UPF. Executing a manipulation can lead to resource consumption. The attack may be performed from remote. The project was informed of the problem early through an issue report but has not responded yet.

PUBLISHED Reserved 2026-05-08 | Published 2026-05-09 | Updated 2026-05-09 | 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:X

MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/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:X/RL:X/RC:R

5.0AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:ND/RC:UR

Problem types

Resource Consumption

Denial of Service

Timeline

2026-05-08:	Advisory disclosed
2026-05-08:	VulDB entry created
2026-05-08:	VulDB entry last update

Credits

0wln3d (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/362339 (VDB-362339 | Open5GS UPF gtp-path.c _gtpv1_u_recv_cb resource consumption) vdb-entry technical-description

vuldb.com/vuln/362339/cti (VDB-362339 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/800025 (Submit #800025 | Open5GS 2.7.7 Denial of Service (DoS) (CWE-400)) third-party-advisory

github.com/open5gs/open5gs/issues/4492 issue-tracking

github.com/open5gs/open5gs/ product

cve.org (CVE-2026-8187)

nvd.nist.gov (CVE-2026-8187)

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