CVE-2026-1736

MEDIUM
2026-02-02 [email protected]
5.3
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 22:01 vuln.today
PoC Detected
Feb 11, 2026 - 19:34 vuln.today
Public exploit code
CVE Published
Feb 02, 2026 - 01:15 nvd
MEDIUM 5.3

Tags

Denial Of Service Open5gs

Description

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.

Analysis

Open5GS versions up to 2.7.6 contain a reachable assertion vulnerability in the SGWC S11 handler that can be triggered remotely without authentication to cause a denial of service. Public exploit code exists for this vulnerability, and while a patch is reported as already-fixed, it remains unavailable for affected deployments.

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Remediation

Within 30 days: Identify affected systems running Open5GS and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

47
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: +20

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CVE-2026-1736 vulnerability details – vuln.today
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