{"id":"CVE-2026-1586","summary":"Open5GS SGWC s11-handler.c ogs_gtp2_f_teid_to_ip denial of service","details":"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.","modified":"2026-08-12T03:51:22.987247523Z","published":"2026-01-29T12:32:06.331Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1586.json","unresolved_ranges":[{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"2.7.3"},{"last_affected":"2.7.3"},{"introduced":"2.7.4"},{"last_affected":"2.7.4"}]}],"cna_assigner":"VulDB","cwe_ids":["CWE-404"]},"references":[{"type":"WEB","url":"https://github.com/open5gs/open5gs/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1586.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1586"},{"type":"ADVISORY","url":"https://vuldb.com/?id.343349"},{"type":"ADVISORY","url":"https://vuldb.com/?submit.738375"},{"type":"REPORT","url":"https://github.com/open5gs/open5gs/issues/4273"},{"type":"REPORT","url":"https://github.com/open5gs/open5gs/issues/4273#event-21968643659"},{"type":"REPORT","url":"https://github.com/open5gs/open5gs/issues/4273#issue-3796030721"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.343349"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/open5gs/open5gs","events":[{"introduced":"83e35bb2de7e67646fdba849580184422b10006a"},{"fixed":"d9d3abdd480be96fac3bc8a997e83446648763ca"}],"database_specific":{"extracted_events":[{"introduced":"2.7.0"},{"last_affected":"2.7.0"},{"introduced":"2.7.1"},{"last_affected":"2.7.1"},{"introduced":"2.7.2"},{"last_affected":"2.7.2"},{"introduced":"2.7.5"},{"last_affected":"2.7.5"},{"introduced":"0"},{"fixed":"2.7.6"}],"source":["AFFECTED_FIELD","CPE_RANGE"],"cpe":"cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*"}}],"versions":["2.7.0","2.7.1","2.7.2","2.7.5","v2.7.5","v2.7.2","v2.7.1","v2.7.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-1586.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}