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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

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

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Open5gs
  • Open5gs

No data.

No data.

References
Link Providers
https://github.com/open5gs/open5gs/ cve-icon cve-icon
https://github.com/open5gs/open5gs/issues/4412 cve-icon cve-icon
https://vuldb.com/submit/805701 cve-icon cve-icon
https://vuldb.com/vuln/360884 cve-icon cve-icon
https://vuldb.com/vuln/360884/cti cve-icon cve-icon
History

Mon, 04 May 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Sun, 03 May 2026 23:00:00 +0000

Type Values Removed Values Added
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.
Title Open5GS UDR subscription.c ogs_dbi_subscription_data denial of service
First Time appeared Open5gs
Open5gs open5gs
Weaknesses CWE-404
CPEs cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*
Vendors & Products Open5gs
Open5gs open5gs
References
Metrics cvssV2_0

{'score': 4, 'vector': 'AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 4.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS: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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-05-03T22:45:13.612Z

Updated: 2026-05-04T12:56:53.880Z

Reserved: 2026-05-03T07:21:57.788Z

Link: CVE-2026-7708

cve-icon Vulnrichment

Updated: 2026-05-04T12:56:50.113Z

cve-icon NVD

Status : Deferred

Published: 2026-05-03T23:16:42.207

Modified: 2026-05-05T19:13:44.530

Link: CVE-2026-7708

cve-icon Redhat

No data.