CVE-2026-8270 | THREATINT

Description

A vulnerability was determined in Open5GS up to 2.7.7. The affected element is the function ogs_nas_parse_qos_rules of the component SMF. Executing a manipulation can lead to denial of service. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

PUBLISHED Reserved 2026-05-10 | Published 2026-05-11 | Updated 2026-05-11 | Assigner VulDB

MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

MEDIUM: 4.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

4.0AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

Problem types

Denial of Service

Timeline

2026-05-10:	Advisory disclosed
2026-05-10:	VulDB entry created
2026-05-10:	VulDB entry last update

Credits

FrankLin (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/362567 (VDB-362567 | Open5GS SMF ogs_nas_parse_qos_rules denial of service) vdb-entry technical-description

vuldb.com/vuln/362567/cti (VDB-362567 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/808488 (Submit #808488 | Open5gs SMF v2.7.7 Denial of Service) third-party-advisory

github.com/open5gs/open5gs/issues/4451 exploit issue-tracking

github.com/open5gs/open5gs/ product

cve.org (CVE-2026-8270)

nvd.nist.gov (CVE-2026-8270)

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