{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-1586", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-01-29T05:57:08.622Z", "datePublished": "2026-01-29T12:32:06.331Z", "dateUpdated": "2026-02-23T09:03:40.681Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-02-23T09:03:40.681Z" }, "title": "Open5GS SGWC s11-handler.c ogs_gtp2_f_teid_to_ip denial of service", "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-404", "lang": "en", "description": "Denial of Service" } ] } ], "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" } ], "cpes": [ "cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*" ], "modules": [ "SGWC" ] } ], "descriptions": [ { "lang": "en", "value": "A flaw has been found in Open5GS up to 2.7.5. Impacted is the function ogs_gtp2_f_teid_to_ip of the file /sgwc/s11-handler.c of the component SGWC. Executing a manipulation can lead to denial of service. The attack may be performed from remote. The exploit has been published and may be used. It is advisable to implement a patch to correct this issue. 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" } }, { "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" } }, { "cvssV3_0": { "version": "3.0", "baseScore": 5.3, "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": { "version": "2.0", "baseScore": 5, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C" } } ], "timeline": [ { "time": "2026-01-29T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed" }, { "time": "2026-01-29T01:00:00.000Z", "lang": "en", "value": "VulDB entry created" }, { "time": "2026-02-04T03:14:37.000Z", "lang": "en", "value": "VulDB entry last update" } ], "credits": [ { "lang": "en", "value": "FrankyLin (VulDB User)", "type": "reporter" } ], "references": [ { "url": "https://vuldb.com/?id.343349", "name": "VDB-343349 | Open5GS SGWC s11-handler.c ogs_gtp2_f_teid_to_ip denial of service", "tags": [ "vdb-entry", "technical-description" ] }, { "url": "https://vuldb.com/?ctiid.343349", "name": "VDB-343349 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": [ "signature", "permissions-required" ] }, { "url": "https://vuldb.com/?submit.738375", "name": "Submit #738375 | Open5GS SGWC v2.7.6 Denial of Service", "tags": [ "third-party-advisory" ] }, { "url": "https://github.com/open5gs/open5gs/issues/4273", "tags": [ "issue-tracking" ] }, { "url": "https://github.com/open5gs/open5gs/issues/4273#event-21968643659", "tags": [ "issue-tracking" ] }, { "url": "https://github.com/open5gs/open5gs/issues/4273#issue-3796030721", "tags": [ "exploit", "issue-tracking" ] }, { "url": "https://github.com/open5gs/open5gs/", "tags": [ "product" ] } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-01-29T15:11:20.627625Z", "id": "CVE-2026-1586", "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": "2026-01-29T15:11:30.103Z" } } ] } }