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CVE Vulnerability Details :
CVE-2026-1737
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 | 01:02
Updated At-02 Feb, 2026 | 16:13
Rejected At-
▼CVE Numbering Authority (CNA)
Open5GS CreateBearerRequest s5c-handler.c sgwc_s5c_handle_create_bearer_request assertion

A vulnerability was detected in Open5GS up to 2.7.6. The affected element is the function sgwc_s5c_handle_create_bearer_request of the file /src/sgwc/s5c-handler.c of the component CreateBearerRequest Handler. Performing a manipulation results in reachable assertion. Remote exploitation of the attack is possible. The exploit is now public and may be used. To fix this issue, it is recommended to deploy a patch. The issue report is flagged as already-fixed.

Affected Products
Vendor
n/a
Product
Open5GS
Modules
  • CreateBearerRequest Handler
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 08:50:05
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 08:50:05
Replaced By

Rejected Reason

References
HyperlinkResource
https://vuldb.com/?id.343636
vdb-entry
technical-description
https://vuldb.com/?ctiid.343636
signature
permissions-required
https://vuldb.com/?submit.741192
third-party-advisory
https://github.com/open5gs/open5gs/issues/4271
issue-tracking
https://github.com/open5gs/open5gs/issues/4271#event-21968630023
issue-tracking
https://github.com/open5gs/open5gs/issues/4271#issue-3795147720
exploit
issue-tracking
https://github.com/open5gs/open5gs/
product
Hyperlink: https://vuldb.com/?id.343636
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.343636
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.741192
Resource:
third-party-advisory
Hyperlink: https://github.com/open5gs/open5gs/issues/4271
Resource:
issue-tracking
Hyperlink: https://github.com/open5gs/open5gs/issues/4271#event-21968630023
Resource:
issue-tracking
Hyperlink: https://github.com/open5gs/open5gs/issues/4271#issue-3795147720
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