CVE-2026-1587

MEDIUM
2026-01-29 [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 - 22:00 vuln.today
PoC Detected
Feb 23, 2026 - 09:16 vuln.today
Public exploit code
CVE Published
Jan 29, 2026 - 13:15 nvd
MEDIUM 5.3

Tags

Denial Of Service Open5gs

Description

A vulnerability has been found in Open5GS up to 2.7.6. The affected element is the function sgwc_s11_handle_modify_bearer_request of the file /sgwc/s11-handler.c of the component SGWC. The manipulation leads to denial of service. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Applying a patch is the recommended action to fix this issue. The issue report is flagged as already-fixed.

Analysis

Denial of service in Open5GS up to version 2.7.6 allows remote attackers to crash the SGWC service by manipulating the Modify Bearer Request handler in s11-handler.c. Public exploit code exists for this vulnerability and no patch is currently available. …

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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-2026-1587 vulnerability details – vuln.today
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