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vuln-cve/data/2026/1xxx/CVE-2026-1737.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-1737",
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"state": "PUBLISHED",
"assignerShortName": "VulDB",
"dateReserved": "2026-02-01T07:44:41.406Z",
"datePublished": "2026-02-02T01:02:07.274Z",
"dateUpdated": "2026-02-23T09:12:28.991Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB",
"dateUpdated": "2026-02-23T09:12:28.991Z"
},
"title": "Open5GS CreateBearerRequest s5c-handler.c sgwc_s5c_handle_create_bearer_request assertion",
"problemTypes": [
{
"descriptions": [
{
"type": "CWE",
"cweId": "CWE-617",
"lang": "en",
"description": "Reachable Assertion"
}
]
}
],
"affected": [
{
"vendor": "n/a",
"product": "Open5GS",
"versions": [
{
"version": "2.7.0",
"status": "affected"
},
{
"version": "2.7.1",
"status": "affected"
},
{
"version": "2.7.2",
"status": "affected"
},
{
"version": "2.7.3",
"status": "affected"
},
{
"version": "2.7.4",
"status": "affected"
},
{
"version": "2.7.5",
"status": "affected"
},
{
"version": "2.7.6",
"status": "affected"
}
],
"cpes": [
"cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*"
],
"modules": [
"CreateBearerRequest Handler"
]
}
],
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"metrics": [
{
"cvssV4_0": {
"version": "4.0",
"baseScore": 6.9,
"vectorString": "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",
"baseSeverity": "MEDIUM"
}
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"cvssV3_1": {
"version": "3.1",
"baseScore": 5.3,
"vectorString": "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",
"baseSeverity": "MEDIUM"
}
},
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"cvssV3_0": {
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"vectorString": "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",
"baseSeverity": "MEDIUM"
}
},
{
"cvssV2_0": {
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"baseScore": 5,
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C"
}
}
],
"timeline": [
{
"time": "2026-02-01T00:00:00.000Z",
"lang": "en",
"value": "Advisory disclosed"
},
{
"time": "2026-02-01T01:00:00.000Z",
"lang": "en",
"value": "VulDB entry created"
},
{
"time": "2026-02-02T03:28:46.000Z",
"lang": "en",
"value": "VulDB entry last update"
}
],
"credits": [
{
"lang": "en",
"value": "LinZiyu (VulDB User)",
"type": "reporter"
}
],
"references": [
{
"url": "https://vuldb.com/?id.343636",
"name": "VDB-343636 | Open5GS CreateBearerRequest s5c-handler.c sgwc_s5c_handle_create_bearer_request assertion",
"tags": [
"vdb-entry",
"technical-description"
]
},
{
"url": "https://vuldb.com/?ctiid.343636",
"name": "VDB-343636 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
]
},
{
"url": "https://vuldb.com/?submit.741192",
"name": "Submit #741192 | Open5GS SGWC v2.7.6 Denial of Service",
"tags": [
"third-party-advisory"
]
},
{
"url": "https://github.com/open5gs/open5gs/issues/4271",
"tags": [
"issue-tracking"
]
},
{
"url": "https://github.com/open5gs/open5gs/issues/4271#event-21968630023",
"tags": [
"issue-tracking"
]
},
{
"url": "https://github.com/open5gs/open5gs/issues/4271#issue-3795147720",
"tags": [
"exploit",
"issue-tracking"
]
},
{
"url": "https://github.com/open5gs/open5gs/",
"tags": [
"product"
]
}
]
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-02-02T16:13:03.639482Z",
"id": "CVE-2026-1737",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-02-02T16:13:17.641Z"
}
}
]
}
}