CVE-2026-8290

MEDIUM 4.3

Open5GS SMF nsmf-handler.c smf_nsmf_handle_update_data_in_vsmf denial of service

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

A security flaw has been discovered in Open5GS up to 2.7.7. This issue affects the function smf_nsmf_handle_update_data_in_vsmf of the file /src/smf/nsmf-handler.c of the component SMF. The manipulation results in denial of service. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. 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 11, 2026
Last Updated	May 11, 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/362587 vuldb.com: https://vuldb.com/vuln/362587/cti vuldb.com: https://vuldb.com/submit/808507 github.com: https://github.com/open5gs/open5gs/issues/4454 github.com: https://github.com/open5gs/open5gs/

Credits

🔍 LinJu (VulDB User) VulDB CNA Team