{"id":"CVE-2026-123313","kind":"vulnerability","aliases":["CVE-2026-123313"],"related":[],"title":"JetBrains IntelliJ IDEA: disabled plugins can be re-enabled via dependency settings","description":"In JetBrains IntelliJ IDEA before 2026.3 improper checks could enable disabled plugins via external dependency settings","summary":"Before 2026.3, IntelliJ IDEA's checks were improper, so a plugin the user had disabled could be turned back on through external dependency settings. The sources do not say what an attacker gains beyond the disabled plugin running.","severity":"low","cvss":3.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["ide","intellij-idea","jetbrains","package"],"not_affected_if":["version-2026.3-or-later"],"how_to_check":"- Open IntelliJ IDEA and check the IDE version under Help > About; the sources do not name a check for plugin state.","fix":"- IntelliJ IDEA: `2026.3`\n- Source: the sources state the fix is in 2026.3 and later, from the vulnerability description.","status":"open","published_at":"2026-11-06T11:17:10+00:00","first_seen_at":"2026-11-06T11:41:26+00:00","triaged_at":"2026-11-06T11:42:47+00:00","updated_at":"2026-11-06T11:42:47+00:00","category":"package","confidence":0.5,"triage":{"at":"2026-11-06T11:42:47Z","model":"claude-haiku-5-5","output":{"fix":"- IntelliJ IDEA: `2026.3`\n- Source: the sources state the fix is in 2026.3 and later, from the vulnerability description.","reach":"local","title":"JetBrains IntelliJ IDEA: disabled plugins can be re-enabled via dependency settings","impact":"low","summary":"Before 2026.3, IntelliJ IDEA's checks were improper, so a plugin the user had disabled could be turned back on through external dependency settings. The sources do not say what an attacker gains beyond the disabled plugin running.","audience":"developers","category":"package","nicknames":[],"who_cares":["intellij-idea","jetbrains","ide"],"confidence":0.5,"fix_status":"available","needs_auth":"unknown","worst_case":"A disabled IDE plugin runs again inside the developer's editor.","analyst_note":"","how_to_check":"- Open IntelliJ IDEA and check the IDE version under Help > About; the sources do not name a check for plugin state.\n- unknown","plain_action":"","needs_analyst":false,"not_affected_if":["version-2026.3-or-later"],"who_is_affected":"Developers who run IntelliJ IDEA before 2026.3 and who have disabled plugins. The sources do not describe further conditions. unknown","user_interaction":"unknown","needs_special_setup":"yes","severity_if_unknown":"low"},"cost_usd":0.000659,"input_tokens":4173,"output_tokens":483,"severity_before":"low"},"analyst_status":null,"analyst_note":null,"search":"'-123313':16A,19A '-2026':15A,18A '2026.3':27B,69C 'attack':57B 'back':44B 'beyond':59B 'check':31B,71C 'could':41B,72C 'cve':14A,17A 'depend':12A,48B,78C 'disabl':4A,40B,61B,74C 'enabl':10A,73C 'extern':47B,77C 'gain':58B 'ide':20B 'idea':3A,23B,29B,67C 'improp':33B,70C 'intellij':2A,22B,28B,66C 'intellij-idea':21B 'jetbrain':1A,24B,65C 'packag':25B 'plugin':5A,36B,62B,75C 're':9A 're-en':8A 'run':63B 'say':54B 'set':13A,49B,79C 'sourc':51B 'turn':43B 'user':38B 'via':11A,76C","nicknames":[],"mitigations":[],"who_affected":"Developers who run IntelliJ IDEA before 2026.3 and who have disabled plugins. The sources do not describe further conditions. unknown","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"developers","plain_action":null,"pkeys":[],"ptokens":[],"labels":["ide","intellijidea","jetbrains","low","package"],"campaign_type":null,"search_a":"'-123313':16A,19A '-2026':15A,18A 'cve':14A,17A 'depend':12A 'disabl':4A 'enabl':10A 'idea':3A 'intellij':2A 'jetbrain':1A 'plugin':5A 're':9A 're-en':8A 'set':13A 'via':11A","search_b":"'2026.3':27B 'attack':57B 'back':44B 'beyond':59B 'check':31B 'could':41B 'depend':48B 'disabl':40B,61B 'extern':47B 'gain':58B 'ide':20B 'idea':23B,29B 'improp':33B 'intellij':22B,28B 'intellij-idea':21B 'jetbrain':24B 'packag':25B 'plugin':36B,62B 'run':63B 'say':54B 'set':49B 'sourc':51B 'turn':43B 'user':38B","search_c":"'2026.3':69C 'check':71C 'could':72C 'depend':78C 'disabl':74C 'enabl':73C 'extern':77C 'idea':67C 'improp':70C 'intellij':66C 'jetbrain':65C 'plugin':75C 'set':79C 'via':76C","first_public_at":"2026-11-06T11:17:10+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","cvss_by":"cve@jetbrains.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-123313","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123313","severity":null,"published_at":"2026-11-06T11:17:10+00:00","modified_at":"2026-11-06T11:17:10+00:00","first_seen_at":"2026-11-06T11:41:26+00:00","fetched_at":"2026-11-06T11:41:26+00:00","note":null}],"documents":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}