CVE-2026-8728

MEDIUM 4.3

Open5GS NRF conv.c ogs_sbi_discovery_option_parse_plmn_list denial of service

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

A security vulnerability has been detected in Open5GS up to 2.7.7. The impacted element is the function ogs_sbi_discovery_option_parse_plmn_list in the library /lib/sbi/conv.c of the component NRF. Such manipulation of the argument target-plmn-list leads to denial of service. The attack can be executed remotely. The exploit has been disclosed publicly and may 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 17, 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/364317 vuldb.com: https://vuldb.com/vuln/364317/cti vuldb.com: https://vuldb.com/submit/808510 vuldb.com: https://vuldb.com/submit/808511 github.com: https://github.com/open5gs/open5gs/issues/4458 github.com: https://github.com/open5gs/open5gs/

Credits

🔍 LinJu (VulDB User) VulDB CNA Team