{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-1738","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-02-01T07:44:44.291Z","datePublished":"2026-02-02T01:32:07.067Z","dateUpdated":"2026-03-06T22:07:55.185Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-03-06T22:07:55.185Z"},"title":"Open5GS SGWC context.c sgwc_tunnel_add 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":["SGWC"]}],"descriptions":[{"lang":"en","value":"A flaw has been found in Open5GS up to 2.7.6. The impacted element is the function sgwc_tunnel_add of the file /src/sgwc/context.c of the component SGWC. Executing a manipulation of the argument pdr can lead to reachable assertion. The attack can be executed remotely. 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":"2026-02-01T00:00:00.000Z","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":"ZiyuLin (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/?id.343637","name":"VDB-343637 | Open5GS SGWC context.c sgwc_tunnel_add assertion","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.343637","name":"VDB-343637 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.741193","name":"Submit #741193 | Open5gs SGWC v2.7.6 Denial of Service","tags":["third-party-advisory"]},{"url":"https://github.com/open5gs/open5gs/issues/4261","tags":["issue-tracking"]},{"url":"https://github.com/open5gs/open5gs/issues/4261#event-21968563677","tags":["issue-tracking"]},{"url":"https://github.com/open5gs/open5gs/issues/4261#issue-3787803578","tags":["exploit","issue-tracking"]},{"url":"https://github.com/open5gs/open5gs/","tags":["product"]}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-02T16:00:08.477500Z","id":"CVE-2026-1738","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":"2026-02-02T16:00:44.182Z"}}]}}