CVE-2026-1737

MEDIUM

open5gs < 2.7.6 - Reachable Assertion in CreateBearerRequest Handler

Title source: llm
STIX 2.1

Description

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.

References (7)

Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.343636
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.343636
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.741192
Exploit, Issue Tracking, Vendor Advisory issue-tracking
https://github.com/open5gs/open5gs/issues/4271
Exploit, Issue Tracking, Vendor Advisory exploit issue-tracking
https://github.com/open5gs/open5gs/issues/4271#issue-3795147720

Scores

CVSS v3 5.3
EPSS 0.0049
EPSS Percentile 38.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-617
Status published
Products (1)
open5gs/open5gs < 2.7.6
Published Feb 02, 2026
Tracked Since Feb 18, 2026