CVE-2026-8266

4.3 MEDIUM
Published: May 11, 2026 Modified: May 12, 2026
View on NVD

Description

A vulnerability was detected in Open5GS up to 2.7.7. This affects the function gsm_build_pdu_session_establishment_accept of the file /src/smf/gsm-build.c of the component SMF. The manipulation results in denial of service. The attack can be launched 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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/open5gs/open5gs/
Source: cna@vuldb.com
Product
https://github.com/open5gs/open5gs/issues/4447
Source: cna@vuldb.com
Exploit Issue Tracking
https://vuldb.com/submit/808483
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/vuln/362563
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/vuln/362563/cti
Source: cna@vuldb.com
Permissions Required VDB Entry

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
4.3 / 10.0
EPSS (Exploit Probability)
0.5%
36th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

open5gs