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CVE Vulnerability Details :
CVE-2026-1738
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 | 01:32
Updated At-02 Feb, 2026 | 16:00
Rejected At-
▼CVE Numbering Authority (CNA)
Open5GS SGWC context.c sgwc_tunnel_add assertion

A flaw has been found in Open5GS up to 2.7.6. The impacted element is the function sgwc_tunnel_add of the file /src/sgwc/context.c of the component SGWC. Executing a manipulation of the argument pdr can lead to reachable assertion. The attack can be executed remotely. The exploit has been published and may be used. It is advisable to implement a patch to correct 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
ZiyuLin (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 08:50:07
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 08:50:07
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/?id.343637
vdb-entry
technical-description
https://vuldb.com/?ctiid.343637
signature
permissions-required
https://vuldb.com/?submit.741193
third-party-advisory
https://github.com/open5gs/open5gs/issues/4261
issue-tracking
https://github.com/open5gs/open5gs/issues/4261#event-21968563677
issue-tracking
https://github.com/open5gs/open5gs/issues/4261#issue-3787803578
exploit
issue-tracking
https://github.com/open5gs/open5gs/
product
Hyperlink: https://vuldb.com/?id.343637
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.343637
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.741193
Resource:
third-party-advisory
Hyperlink: https://github.com/open5gs/open5gs/issues/4261
Resource:
issue-tracking
Hyperlink: https://github.com/open5gs/open5gs/issues/4261#event-21968563677
Resource:
issue-tracking
Hyperlink: https://github.com/open5gs/open5gs/issues/4261#issue-3787803578
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