{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-78186","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-08-23T16:44:41.636Z","datePublished":"2026-08-24T04:15:08.586Z","dateUpdated":"2026-08-24T14:00:05.908Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-08-24T04:15:08.586Z"},"title":"Open5GS HSS hss-cx-path.c assertion","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-617","lang":"en","description":"Reachable Assertion"}]}],"affected":[{"vendor":"n/a","product":"Open5GS","versions":[{"version":"2.0","status":"affected"},{"version":"2.1","status":"affected"},{"version":"2.2","status":"affected"},{"version":"2.3","status":"affected"},{"version":"2.4","status":"affected"},{"version":"2.5","status":"affected"},{"version":"2.6","status":"affected"},{"version":"2.7","status":"affected"},{"version":"2.8.0","status":"affected"}],"cpes":["cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*"],"modules":["HSS"]}],"descriptions":[{"lang":"en","value":"A flaw has been found in Open5GS up to 2.8.0. This affects an unknown function of the file src/hss/hss-cx-path.c of the component HSS. This manipulation of the argument User-Name causes reachable assertion. The attack is possible to be carried out remotely. The exploit has been published and may be used. Patch name: c9abe09421eb99bbf1cd7862a3d375e58a4eb9e4. It is recommended to apply a patch to fix this issue."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":5.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":4.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":4.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":4,"vectorString":"AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C"}}],"timeline":[{"time":"2026-08-23T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-08-23T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-08-23T18:49:46.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"WeiYi (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/vuln/394568","name":"VDB-394568 | Open5GS HSS hss-cx-path.c assertion","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/394568/cti","name":"VDB-394568 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-78186","name":"CVE-2026-78186 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/885203","name":"Submit #885203 | open5gs Open5GS 2.8.0 and earlier Reachable Assertion","tags":["third-party-advisory"]},{"url":"https://github.com/open5gs/open5gs/issues/4675","tags":["exploit","issue-tracking"]},{"url":"https://github.com/open5gs/open5gs/commit/c9abe09421eb99bbf1cd7862a3d375e58a4eb9e4","tags":["patch"]},{"url":"https://github.com/open5gs/open5gs/","tags":["product"]}],"tags":["x_open-source"],"x_generator":["VulDB PVTS v202608"]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-24T13:59:44.394577Z","id":"CVE-2026-78186","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"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":"2026-08-24T14:00:05.908Z"}}]}}