CVE-2026-7708

MEDIUM

Open5GS UDR subscription.c ogs_dbi_subscription_data denial of service

Title source: cna
STIX 2.1

Description

A vulnerability was determined in Open5GS up to 2.7.7. The affected element is the function ogs_dbi_subscription_data in the library /lib/dbi/subscription.c of the component UDR. This manipulation of the argument supi_id causes denial of service. The attack may be initiated 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.

References (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-360884 | Open5GS UDR subscription.c ogs_dbi_subscription_data denial of service
https://vuldb.com/vuln/360884
Signature, Permissions Required signature permissions-required
VDB-360884 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/360884/cti
Third Party Advisory third-party-advisory
Submit #805701 | Open5gs UDR v2.7.7 Denial of Service
https://vuldb.com/submit/805701
Exploit exploit issue-tracking
https://github.com/open5gs/open5gs/issues/4412

Scores

CVSS v3 4.3
EPSS 0.0004
EPSS Percentile 11.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-404
Status published
Products (8)
None/Open5GS 2.7.0
None/Open5GS 2.7.1
None/Open5GS 2.7.2
None/Open5GS 2.7.3
None/Open5GS 2.7.4
None/Open5GS 2.7.5
None/Open5GS 2.7.6
None/Open5GS 2.7.7
Published May 03, 2026
Tracked Since May 04, 2026