{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90707","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-09-13T08:02:06.451Z","datePublished":"2026-09-14T10:45:08.438Z","dateUpdated":"2026-09-15T13:57:28.132Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-09-14T10:45:08.438Z"},"title":"Open5GS Old AMF Discovery Fallback nnrf-handler.c amf_nnrf_try_old_amf_discovery_fallback use after free","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-416","lang":"en","description":"Use After Free"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-119","lang":"en","description":"Memory Corruption"}]}],"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"}],"cpes":["cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*"],"modules":["Old AMF Discovery Fallback"]}],"descriptions":[{"lang":"en","value":"A security flaw has been discovered in Open5GS up to 2.7.x. Affected is the function amf_nnrf_try_old_amf_discovery_fallback of the file src/amf/nnrf-handler.c of the component Old AMF Discovery Fallback. The manipulation of the argument discovery_option results in use after free. The attack may be performed from remote. The patch is identified as ddd683a35f8aaac2b7b9884a24cd53bddfc65238. Applying a patch is advised to resolve this issue."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":6.9,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":8.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L/E:X/RL:O/RC:C","baseSeverity":"HIGH"}},{"cvssV3_0":{"version":"3.0","baseScore":8.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L/E:X/RL:O/RC:C","baseSeverity":"HIGH"}},{"cvssV2_0":{"version":"2.0","baseScore":7.5,"vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:OF/RC:C"}}],"timeline":[{"time":"2026-09-13T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-09-13T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-09-13T10:07:19.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"centauruszzz (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/vuln/403249","name":"VDB-403249 | Open5GS Old AMF Discovery Fallback nnrf-handler.c amf_nnrf_try_old_amf_discovery_fallback use after free","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/403249/cti","name":"VDB-403249 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-90707","name":"CVE-2026-90707 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/918267","name":"Submit #918267 | Open5GS Open5GS AMF <2.8.0 CWE-416: Use After Free","tags":["third-party-advisory"]},{"url":"https://github.com/open5gs/open5gs/pull/4698","tags":["issue-tracking","patch"]},{"url":"https://github.com/open5gs/open5gs/commit/ddd683a35f8aaac2b7b9884a24cd53bddfc65238","tags":["patch"]},{"url":"https://github.com/open5gs/open5gs/","tags":["product"]}],"tags":["x_open-source"],"x_generator":["VulDB PVTS v202609"]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-15T13:33:46.758197Z","id":"CVE-2026-90707","options":[{"Exploitation":"none"},{"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":"2026-09-15T13:57:28.132Z"}}]}}