CVE-2026-8288

MEDIUM 4.3

Open5GS SMF gsm-handler.c denial of service

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was determined in Open5GS up to 2.7.7. This affects the function gsm_handle_pdu_session_modification_qos_flow_descriptions of the file src/smf/gsm-handler.c of the component SMF. Executing a manipulation of the argument n1SmMsg can lead to denial of service. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance.

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:C

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/362585 vuldb.com: https://vuldb.com/vuln/362585/cti vuldb.com: https://vuldb.com/submit/808489 github.com: https://github.com/open5gs/open5gs/issues/4452 github.com: https://github.com/open5gs/open5gs/pull/4513 github.com: https://github.com/open5gs/open5gs/

Credits

🔍 FrankLin (VulDB User) VulDB CNA Team