CVE-2026-8743

6.3 MEDIUM
Published: May 17, 2026 Modified: May 19, 2026
View on NVD

Description

A vulnerability was found in Open5GS up to 2.7.6. This impacts the function ran_ue_find_by_amf_ue_ngap_id of the file src/amf/context.c of the component AMF/MME. Performing a manipulation results in improper authorization. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The patch is named 5746b8576cfceec18ed87eb7d8cf11b1fb4cd8b1. It is suggested to install a patch to address this issue.

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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:L/I:L/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/4498
Source: cna@vuldb.com
Exploit Issue Tracking
https://github.com/open5gs/open5gs/pull/4553
Source: cna@vuldb.com
Issue Tracking Patch
https://vuldb.com/submit/814559
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/vuln/364330
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/vuln/364330/cti
Source: cna@vuldb.com
Permissions Required VDB Entry

7 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.3 / 10.0
EPSS (Exploit Probability)
0.2%
13th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

open5gs