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NVD Vulnerability Details :
CVE-2026-8743
Analyzed
More InfoOfficial Page
Source-cna@vuldb.com
View Known Exploited Vulnerability (KEV) details
Published At-17 May, 2026 | 10:16
Updated At-19 May, 2026 | 01:35

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.02.1LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary3.16.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Secondary2.06.5MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:P
Type: Secondary
Version: 4.0
Base score: 2.1
Base severity: LOW
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Primary
Version: 3.1
Base score: 6.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Type: Secondary
Version: 2.0
Base score: 6.5
Base severity: MEDIUM
Vector:
AV:N/AC:L/Au:S/C:P/I:P/A:P
CPE Matches
open5gs
open5gs
>>open5gs>>Versions up to 2.7.6(inclusive)
cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-266Primarycna@vuldb.com
CWE-285Primarycna@vuldb.com
CWE ID: CWE-266
Type: Primary
Source: cna@vuldb.com
CWE ID: CWE-285
Type: Primary
Source: cna@vuldb.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/open5gs/open5gs/cna@vuldb.com
Product
https://github.com/open5gs/open5gs/commit/5746b8576cfceec18ed87eb7d8cf11b1fb4cd8b1cna@vuldb.com
Patch
https://github.com/open5gs/open5gs/issues/4498cna@vuldb.com
Exploit
Issue Tracking
https://github.com/open5gs/open5gs/pull/4553cna@vuldb.com
Issue Tracking
Patch
https://vuldb.com/submit/814559cna@vuldb.com
Third Party Advisory
VDB Entry
https://vuldb.com/vuln/364330cna@vuldb.com
Third Party Advisory
VDB Entry
https://vuldb.com/vuln/364330/cticna@vuldb.com
Permissions Required
VDB Entry
Hyperlink: https://github.com/open5gs/open5gs/
Source: cna@vuldb.com
Resource:
Product
Hyperlink: https://github.com/open5gs/open5gs/commit/5746b8576cfceec18ed87eb7d8cf11b1fb4cd8b1
Source: cna@vuldb.com
Resource:
Patch
Hyperlink: https://github.com/open5gs/open5gs/issues/4498
Source: cna@vuldb.com
Resource:
Exploit
Issue Tracking
Hyperlink: https://github.com/open5gs/open5gs/pull/4553
Source: cna@vuldb.com
Resource:
Issue Tracking
Patch
Hyperlink: https://vuldb.com/submit/814559
Source: cna@vuldb.com
Resource:
Third Party Advisory
VDB Entry
Hyperlink: https://vuldb.com/vuln/364330
Source: cna@vuldb.com
Resource:
Third Party Advisory
VDB Entry
Hyperlink: https://vuldb.com/vuln/364330/cti
Source: cna@vuldb.com
Resource:
Permissions Required
VDB Entry
Change History
0Changes found
Details not found