CVE-2026-1738

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 - 02:16 nvd
MEDIUM 5.3

Tags

Denial Of Service Open5gs

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.

Analysis

Remote denial of service in Open5GS up to version 2.7.6 allows unauthenticated attackers to trigger a reachable assertion in the SGWC component by manipulating PDR arguments in the sgwc_tunnel_add function. Public exploit code exists for this vulnerability, and no patch is currently available despite reports indicating a fix is planned.

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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: +0.1
CVSS: +26
POC: +20

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CVE-2026-1738 vulnerability details – vuln.today
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