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CVE Vulnerability Details :
CVE-2026-1683
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-30 Jan, 2026 | 14:02
Updated At-23 Feb, 2026 | 09:08
Rejected At-
▼CVE Numbering Authority (CNA)
Free5GC SMF PFCP handler.go HandlePfcpSessionReportRequest denial of service

A vulnerability has been found in Free5GC SMF up to 4.1.0. Affected by this vulnerability is the function HandlePfcpSessionReportRequest of the file internal/pfcp/handler/handler.go of the component PFCP. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. To fix this issue, it is recommended to deploy a patch.

Affected Products
Vendor
Free5GC
Product
SMF
Modules
  • PFCP
Versions
Affected
  • 4.0
  • 4.1.0
Problem Types
TypeCWE IDDescription
CWECWE-404Denial of Service
Type: CWE
CWE ID: CWE-404
Description: Denial of Service
Metrics
VersionBase scoreBase severityVector
4.06.9MEDIUM
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
3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
3.05.3MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
2.05.0N/A
AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C
Version: 4.0
Base score: 6.9
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
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/E:P/RL:O/RC:C
Version: 3.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
Version: 2.0
Base score: 5.0
Base severity: N/A
Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
ZiyuLin (VulDB User)
Timeline
EventDate
Advisory disclosed2026-01-30 00:00:00
VulDB entry created2026-01-30 01:00:00
VulDB entry last update2026-02-17 20:46:42
Event: Advisory disclosed
Date: 2026-01-30 00:00:00
Event: VulDB entry created
Date: 2026-01-30 01:00:00
Event: VulDB entry last update
Date: 2026-02-17 20:46:42
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/?id.343476
vdb-entry
technical-description
https://vuldb.com/?ctiid.343476
signature
permissions-required
https://vuldb.com/?submit.739653
third-party-advisory
https://vuldb.com/?submit.739654
third-party-advisory
https://github.com/free5gc/free5gc/issues/804
issue-tracking
https://github.com/free5gc/free5gc/issues/804#issue-3816086696
exploit
issue-tracking
https://github.com/free5gc/smf/pull/188
issue-tracking
patch
https://github.com/free5gc/smf/
product
Hyperlink: https://vuldb.com/?id.343476
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.343476
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.739653
Resource:
third-party-advisory
Hyperlink: https://vuldb.com/?submit.739654
Resource:
third-party-advisory
Hyperlink: https://github.com/free5gc/free5gc/issues/804
Resource:
issue-tracking
Hyperlink: https://github.com/free5gc/free5gc/issues/804#issue-3816086696
Resource:
exploit
issue-tracking
Hyperlink: https://github.com/free5gc/smf/pull/188
Resource:
issue-tracking
patch
Hyperlink: https://github.com/free5gc/smf/
Resource:
product
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found