CVE-2026-8729

MEDIUM 4.3

Open5GS NRF message.c denial of service

CVSS Score

4.3

EPSS Score

0.1%

EPSS Percentile

18th

A vulnerability was detected in Open5GS up to 2.7.7. This affects an unknown function in the library /lib/sbi/message.c of the component NRF. Performing a manipulation of the argument service-names/snssais results in denial of service. The attack is possible to be carried out remotely. The exploit is now public 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
Last Updated	May 18, 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/364318 vuldb.com: https://vuldb.com/vuln/364318/cti vuldb.com: https://vuldb.com/submit/808512 vuldb.com: https://vuldb.com/submit/808513 github.com: https://github.com/open5gs/open5gs/issues/4460 github.com: https://github.com/open5gs/open5gs/

Credits

🔍 LinJu (VulDB User) VulDB CNA Team