CVE-2026-1738

MEDIUM

open5gs < 2.7.6 - Reachable Assertion in SGWC Tunnel Addition

Title source: llm
STIX 2.1

Description

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.

References (7)

Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.343637
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.343637
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.741193
Exploit, Issue Tracking issue-tracking
https://github.com/open5gs/open5gs/issues/4261
Exploit, Issue Tracking, Vendor Advisory exploit issue-tracking
https://github.com/open5gs/open5gs/issues/4261#issue-3787803578

Scores

CVSS v3 5.3
EPSS 0.0066
EPSS Percentile 46.5%
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