A vulnerability was detected in Open5GS up to 2.7.6. The affected element is the function sgwc_s5c_handle_create_bearer_request of the file /src/sgwc/s5c-handler.c of the component CreateBearerRequest Handler. Performing a manipulation results in reachable assertion. Remote exploitation of the attack is possible. The exploit is now public and may be used. To fix this issue, it is recommended to deploy a patch. The issue report is flagged as already-fixed.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00081.

Exploitation poc

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a Open5GS affected
Version Status Constraints
2.7.0 affected —
2.7.1 affected —
2.7.2 affected —
2.7.3 affected —
2.7.4 affected —
2.7.5 affected —
2.7.6 affected —

Configuration 1 [-]

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

No data.

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/open5gs/open5gs/ cve-icon cve-icon
https://github.com/open5gs/open5gs/issues/4271 cve-icon cve-icon
https://github.com/open5gs/open5gs/issues/4271#event-21968630023 cve-icon cve-icon
https://github.com/open5gs/open5gs/issues/4271#issue-3795147720 cve-icon cve-icon
https://vuldb.com/?ctiid.343636 cve-icon cve-icon
https://vuldb.com/?id.343636 cve-icon cve-icon
https://vuldb.com/?submit.741192 cve-icon cve-icon
History

Wed, 11 Feb 2026 19:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*

Tue, 03 Feb 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Open5gs
Open5gs open5gs
Vendors & Products Open5gs
Open5gs open5gs

Mon, 02 Feb 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 02 Feb 2026 01:30:00 +0000

Type Values Removed Values Added
Description A vulnerability was detected in Open5GS up to 2.7.6. The affected element is the function sgwc_s5c_handle_create_bearer_request of the file /src/sgwc/s5c-handler.c of the component CreateBearerRequest Handler. Performing a manipulation results in reachable assertion. Remote exploitation of the attack is possible. The exploit is now public and may be used. To fix this issue, it is recommended to deploy a patch. The issue report is flagged as already-fixed.
Title Open5GS CreateBearerRequest s5c-handler.c sgwc_s5c_handle_create_bearer_request assertion
Weaknesses CWE-617
References
Metrics cvssV2_0

{'score': 5, 'vector': 'AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C'}

cvssV3_0

{'score': 5.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C'}

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-02-02T16:13:17.641Z

Reserved: 2026-02-01T07:44:41.406Z

Link: CVE-2026-1737

cve-icon Vulnrichment

Updated: 2026-02-02T16:13:09.786Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-02T02:16:10.457

Modified: 2026-02-11T19:34:45.060

Link: CVE-2026-1737

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-02T09:26:13Z

Weaknesses