Open5GS AMF/MME context.c ran_ue_find_by_amf_ue_ngap_id improper authorization
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.
CVE-2026-8743
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-8743
Open5GS
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"cpes": [
"cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*"
],
"vendor": "n/a",
"modules": [
"AMF/MME"
],
"product": "Open5GS",
"versions": [
{
"status": "affected",
"version": "2.7.0"
},
{
"status": "affected",
"version": "2.7.1"
},
{
"status": "affected",
"version": "2.7.2"
},
{
"status": "affected",
"version": "2.7.3"
},
{
"status": "affected",
"version": "2.7.4"
},
{
"status": "affected",
"version": "2.7.5"
},
{
"status": "affected",
"version": "2.7.6"
}
]
}
]- Related CVEs
- CVE-2026-8743
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #45743 · Revision 1
- Added to Heist Feed
- Publisher date