{"id":"CVE-2018-18836","details":"An issue was discovered in Netdata 1.10.0. JSON injection exists via the api/v1/data tqx parameter because of web_client_api_request_v1_data in web/api/web_api_v1.c.","modified":"2026-04-11T11:39:45.687581Z","published":"2019-06-18T16:15:10.587Z","related":["openSUSE-SU-2021:0647-1","openSUSE-SU-2021:0730-1","openSUSE-SU-2021:1603-1","openSUSE-SU-2024:11083-1"],"references":[{"type":"ADVISORY","url":"https://github.com/netdata/netdata/pull/4521"},{"type":"ADVISORY","url":"https://www.red4sec.com/cve/netdata_json_injection.txt"},{"type":"FIX","url":"https://github.com/netdata/netdata/commit/92327c9ec211bd1616315abcb255861b130b97ca"},{"type":"EVIDENCE","url":"https://github.com/netdata/netdata/blob/798c141c49ee85bddc8f48f25d2cb593ec96da07/web/api/web_api_v1.c#L388"},{"type":"EVIDENCE","url":"https://github.com/netdata/netdata/blob/798c141c49ee85bddc8f48f25d2cb593ec96da07/web/api/web_api_v1.c#L403"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/netdata/netdata","events":[{"introduced":"0"},{"last_affected":"c92349444f88427d8ddef2fb1ac6c4932cf6c8bb"},{"fixed":"92327c9ec211bd1616315abcb255861b130b97ca"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"1.10.0"}]}}],"versions":["untagged-10d59b9e5fa68b9500e1","v0.1","v0.2","v1.0.0","v1.0rc","v1.1.0","v1.10.0","v1.2.0","v1.3.0","v1.4.0","v1.5.0","v1.6.0","v1.7.0","v1.8.0","v1.9.0"],"database_specific":{"vanir_signatures":[{"target":{"file":"web/api/web_api_v1.c"},"signature_type":"Line","source":"https://github.com/netdata/netdata/commit/92327c9ec211bd1616315abcb255861b130b97ca","digest":{"line_hashes":["66543347973657702719146160550183012649","338539389829895664211686211858862033147","181613397865496398390060114766203357490","311939904960053635228447904840087471795","69162383861090423052578740815008696676","295754951258971798843125484558902277741"],"threshold":0.9},"id":"CVE-2018-18836-1abb3bcc","signature_version":"v1","deprecated":false},{"target":{"file":"web/api/web_api_v1.c","function":"web_client_api_request_v1_data"},"signature_type":"Function","source":"https://github.com/netdata/netdata/commit/92327c9ec211bd1616315abcb255861b130b97ca","digest":{"length":4676,"function_hash":"204881456466600532908895856298960794977"},"id":"CVE-2018-18836-8953f44d","signature_version":"v1","deprecated":false},{"target":{"file":"libnetdata/url/url.c"},"signature_type":"Line","source":"https://github.com/netdata/netdata/commit/92327c9ec211bd1616315abcb255861b130b97ca","digest":{"line_hashes":["179904335846742252483163393046264994826","190346668020436203569205258275860151209","168848541308149862787108906740940067034","149049622975872964869544566748975749382"],"threshold":0.9},"id":"CVE-2018-18836-a1c71538","signature_version":"v1","deprecated":false},{"target":{"file":"libnetdata/url/url.c","function":"url_decode_r"},"signature_type":"Function","source":"https://github.com/netdata/netdata/commit/92327c9ec211bd1616315abcb255861b130b97ca","digest":{"length":450,"function_hash":"145019406472654216900235053973844180715"},"id":"CVE-2018-18836-f8c8e8f7","signature_version":"v1","deprecated":false}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18836.json","vanir_signatures_modified":"2026-04-11T11:39:45Z"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"}]}