CVE-2026-8289

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

12th

A vulnerability was identified in Open5GS up to 2.7.7. This vulnerability affects the function smf_nsmf_handle_update_data_in_vsmf of the file /src/smf/nsmf-handler.c of the component SMF. The manipulation of the argument qosFlowProfile leads to denial of service. Remote exploitation of the attack is possible. The exploit is publicly available and might 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 11, 2026
Last Updated	May 12, 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/362586 vuldb.com: https://vuldb.com/vuln/362586/cti vuldb.com: https://vuldb.com/submit/808490 github.com: https://github.com/open5gs/open5gs/issues/4453 github.com: https://github.com/open5gs/open5gs/

Credits

🔍 FrankLin (VulDB User) VulDB CNA Team