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NVD Vulnerability Details :
CVE-2026-1976
Analyzed
More InfoOfficial Page
Source-cna@vuldb.com
View Known Exploited Vulnerability (KEV) details
Published At-06 Feb, 2026 | 03:15
Updated At-09 Feb, 2026 | 15:04

A weakness has been identified in Free5GC up to 4.1.0. Affected is the function SessionDeletionResponse of the component SMF. This manipulation causes null pointer dereference. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. 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
Secondary4.05.5MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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
Secondary3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Primary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Secondary2.05.0MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
Type: Secondary
Version: 4.0
Base score: 5.5
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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: Secondary
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Type: Primary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 2.0
Base score: 5.0
Base severity: MEDIUM
Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P
CPE Matches
free5gc
free5gc
>>free5gc>>Versions up to 4.1.0(inclusive)
cpe:2.3:a:free5gc:free5gc:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-404Primarycna@vuldb.com
CWE-476Primarycna@vuldb.com
CWE-476Primarynvd@nist.gov
CWE ID: CWE-404
Type: Primary
Source: cna@vuldb.com
CWE ID: CWE-476
Type: Primary
Source: cna@vuldb.com
CWE ID: CWE-476
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/free5gc/free5gc/cna@vuldb.com
Product
https://github.com/free5gc/free5gc/issues/817cna@vuldb.com
Exploit
Issue Tracking
Vendor Advisory
https://github.com/free5gc/free5gc/issues/817#issue-3832188092cna@vuldb.com
Exploit
Issue Tracking
Vendor Advisory
https://github.com/free5gc/smf/pull/189cna@vuldb.com
Issue Tracking
https://vuldb.com/?ctiid.344498cna@vuldb.com
Permissions Required
VDB Entry
https://vuldb.com/?id.344498cna@vuldb.com
Third Party Advisory
VDB Entry
https://vuldb.com/?submit.743239cna@vuldb.com
Exploit
Third Party Advisory
VDB Entry
Hyperlink: https://github.com/free5gc/free5gc/
Source: cna@vuldb.com
Resource:
Product
Hyperlink: https://github.com/free5gc/free5gc/issues/817
Source: cna@vuldb.com
Resource:
Exploit
Issue Tracking
Vendor Advisory
Hyperlink: https://github.com/free5gc/free5gc/issues/817#issue-3832188092
Source: cna@vuldb.com
Resource:
Exploit
Issue Tracking
Vendor Advisory
Hyperlink: https://github.com/free5gc/smf/pull/189
Source: cna@vuldb.com
Resource:
Issue Tracking
Hyperlink: https://vuldb.com/?ctiid.344498
Source: cna@vuldb.com
Resource:
Permissions Required
VDB Entry
Hyperlink: https://vuldb.com/?id.344498
Source: cna@vuldb.com
Resource:
Third Party Advisory
VDB Entry
Hyperlink: https://vuldb.com/?submit.743239
Source: cna@vuldb.com
Resource:
Exploit
Third Party Advisory
VDB Entry
Change History
0Changes found
Details not found