{"id":"CVE-2026-90707","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-90707","summary":"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…","details":"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.","published":"2026-09-14T10:45:08.438Z","modified":"2026-09-14T10:45:08.438Z","cvss":{"score":8.3,"severity":"HIGH","vector":"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"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/open5gs/open5gs/pull/4698","label":"open5gs/open5gs#4698"},"references":[{"type":"WEB","url":"https://vuldb.com/vuln/403249"},{"type":"WEB","url":"https://vuldb.com/vuln/403249/cti"},{"type":"ADVISORY","url":"https://vuldb.com/cve/CVE-2026-90707"},{"type":"ADVISORY","url":"https://vuldb.com/submit/918267"},{"type":"FIX","url":"https://github.com/open5gs/open5gs/pull/4698"},{"type":"FIX","url":"https://github.com/open5gs/open5gs/commit/ddd683a35f8aaac2b7b9884a24cd53bddfc65238"},{"type":"WEB","url":"https://github.com/open5gs/open5gs/"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-14T10:45:08.438Z"}}