CVE-2026-8122

MEDIUM 4.3

Open5GS NSSF message.c ogs_sbi_discovery_option_add_service_names denial of service

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

12th

A vulnerability was found in Open5GS up to 2.7.7. This affects the function ogs_sbi_discovery_option_add_service_names in the library /lib/sbi/message.c of the component NSSF. The manipulation results in denial of service. The attack may be performed from remote. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

CWE	CWE-404
Vendor	n/a
Product	open5gs
Published	May 8, 2026
Last Updated	May 8, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

n/a / Open5GS

2.7.0 2.7.1 2.7.2 2.7.3 2.7.4 2.7.5 2.7.6 2.7.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/361909 vuldb.com: https://vuldb.com/vuln/361909/cti vuldb.com: https://vuldb.com/submit/808425 github.com: https://github.com/open5gs/open5gs/issues/4435 github.com: https://github.com/open5gs/open5gs/

Credits

🔍 LinZiyu (VulDB User) VulDB CNA Team