CVE-2026-1587

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.

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/open5gs/open5gs/issues/4272	Exploit Issue Tracking Vendor Advisory
https://github.com/open5gs/open5gs/issues/4272#event-21968635948	Issue Tracking Exploit Vendor Advisory
https://github.com/open5gs/open5gs/issues/4272#issue-3795156752	Exploit Issue Tracking Vendor Advisory
https://vuldb.com/?ctiid.343350	Permissions Required VDB Entry
https://vuldb.com/?id.343350	Third Party Advisory VDB Entry
https://vuldb.com/?submit.738376	Third Party Advisory VDB Entry Exploit

Configurations

Configuration 1 (hide)

cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-01-29 13:15

Updated : 2026-02-02 18:40

NVD link : CVE-2026-1587

Mitre link : CVE-2026-1587

CVE.ORG link : CVE-2026-1587

JSON object : View

Products Affected

open5gs

open5gs

CWE

CWE-404

Improper Resource Shutdown or Release

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