Open5GS SGWC s11-handler.c assertion_CVE-2026-1736

6.9 / 10

MEDIUM

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

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.

Basic Information

ID CVE-2026-1736

Source VulDB

Published Feb 2, 2026 at 00:32

Affected Product

Vendor n/a

Product Open5GS

Version 2.7.0

Affected Versions n/a Open5GS 2.7.0
n/a Open5GS 2.7.1
n/a Open5GS 2.7.2
n/a Open5GS 2.7.3
n/a Open5GS 2.7.4
n/a Open5GS 2.7.5
n/a Open5GS 2.7.6

CWE Classification

CWE-617

References

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    "lastseen": "",
    "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.",
    "published": "2026-02-02T00:32:06.984Z",
    "modified": "2026-02-02T00:32:06.984Z",
    "type": "cve",
    "title": "Open5GS SGWC s11-handler.c assertion",
    "source": "VulDB",
    "references": "https://vuldb.com/?id.343635\nhttps://vuldb.com/?ctiid.343635\nhttps://vuldb.com/?submit.741191\nhttps://github.com/open5gs/open5gs/issues/4270\nhttps://github.com/open5gs/open5gs/issues/4270#event-21968624624\nhttps://github.com/open5gs/open5gs/issues/4270#issue-3795141303\nhttps://github.com/open5gs/open5gs/",
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    "sourceData": "n/a Open5GS 2.7.0\nn/a Open5GS 2.7.1\nn/a Open5GS 2.7.2\nn/a Open5GS 2.7.3\nn/a Open5GS 2.7.4\nn/a Open5GS 2.7.5\nn/a Open5GS 2.7.6",
    "sourceHref": "",
    "cvss": {
        "score": 6.9,
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