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CVE Vulnerability Details :
CVE-2026-1736
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-02 Feb, 2026 | 00:32
Updated At-02 Feb, 2026 | 16:32
Rejected At-
▼CVE Numbering Authority (CNA)
Open5GS SGWC s11-handler.c assertion

A security vulnerability has been detected in Open5GS up to 2.7.6. Impacted is the function sgwc_s11_handle_create_indirect_data_forwarding_tunnel_request of the file /src/sgwc/s11-handler.c of the component SGWC. Such manipulation leads to reachable assertion. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. A patch should be applied to remediate this issue. The issue report is flagged as already-fixed.

Affected Products
Vendor
n/a
Product
Open5GS
Modules
  • SGWC
Versions
Affected
  • 2.7.0
  • 2.7.1
  • 2.7.2
  • 2.7.3
  • 2.7.4
  • 2.7.5
  • 2.7.6
Problem Types
TypeCWE IDDescription
CWECWE-617Reachable Assertion
Type: CWE
CWE ID: CWE-617
Description: Reachable Assertion
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
LinZiyu (VulDB User)
Timeline
EventDate
Advisory disclosed2026-02-01 00:00:00
VulDB entry created2026-02-01 01:00:00
VulDB entry last update2026-02-01 08:49:52
Event: Advisory disclosed
Date: 2026-02-01 00:00:00
Event: VulDB entry created
Date: 2026-02-01 01:00:00
Event: VulDB entry last update
Date: 2026-02-01 08:49:52
Replaced By

Rejected Reason

References
HyperlinkResource
https://vuldb.com/?id.343635
vdb-entry
technical-description
https://vuldb.com/?ctiid.343635
signature
permissions-required
https://vuldb.com/?submit.741191
third-party-advisory
https://github.com/open5gs/open5gs/issues/4270
issue-tracking
https://github.com/open5gs/open5gs/issues/4270#event-21968624624
issue-tracking
https://github.com/open5gs/open5gs/issues/4270#issue-3795141303
exploit
issue-tracking
https://github.com/open5gs/open5gs/
product
Hyperlink: https://vuldb.com/?id.343635
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.343635
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.741191
Resource:
third-party-advisory
Hyperlink: https://github.com/open5gs/open5gs/issues/4270
Resource:
issue-tracking
Hyperlink: https://github.com/open5gs/open5gs/issues/4270#event-21968624624
Resource:
issue-tracking
Hyperlink: https://github.com/open5gs/open5gs/issues/4270#issue-3795141303
Resource:
exploit
issue-tracking
Hyperlink: https://github.com/open5gs/open5gs/
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