{"id":"CVE-2026-77691","kind":"vulnerability","aliases":["CVE-2026-77691"],"related":[],"title":"ManageEngine Key Manager Plus: input when configuring Microsoft CA lets users attack","description":"ZohoCorp ManageEngine Key Manager Plus versions before 7151 allow authenticated users to enter malicious input when configuring a Microsoft CA","summary":"ManageEngine Key Manager Plus versions before 7151 accept malicious input when an authenticated user configures a Microsoft certificate authority. The sources do not state the exact impact beyond this input handling flaw.","severity":"high","cvss":8.1,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["key-manager-plus","manageengine","microsoft-ca","vendor","windows"],"not_affected_if":["managed-hosting","no-microsoft-ca-configured","version-7151-or-later"],"how_to_check":"- Check the installed Key Manager Plus version in the product's About page or install directory; compare against `7151`","fix":"- Key Manager Plus: move to version `7151` or later (per the NVD description)","status":"open","published_at":"2026-11-03T10:17:18+00:00","first_seen_at":"2026-11-03T10:20:16+00:00","triaged_at":"2026-11-03T10:20:32+00:00","updated_at":"2026-11-03T10:20:32+00:00","category":"vendor","confidence":0.5,"triage":{"at":"2026-11-03T10:20:32Z","model":"claude-haiku-5-5","output":{"fix":"- Key Manager Plus: move to version `7151` or later (per the NVD description)","reach":"network","title":"ManageEngine Key Manager Plus: input when configuring Microsoft CA lets users attack","impact":"medium","summary":"ManageEngine Key Manager Plus versions before 7151 accept malicious input when an authenticated user configures a Microsoft certificate authority. The sources do not state the exact impact beyond this input handling flaw.","audience":"businesses","category":"vendor","nicknames":[],"who_cares":["manageengine","key-manager-plus","microsoft-ca","windows"],"confidence":0.5,"fix_status":"available","needs_auth":"yes","worst_case":"unknown impact beyond malicious input in CA configuration","analyst_note":"Check the NVD entry and the ManageEngine advisory for the specific impact (XSS, injection) and whether the flaw is reachable beyond authenticated users.","how_to_check":"- Check the installed Key Manager Plus version in the product's About page or install directory; compare against `7151`\n- unknown","plain_action":"","needs_analyst":true,"not_affected_if":["version-7151-or-later","no-microsoft-ca-configured","managed-hosting"],"who_is_affected":"Organisations running ManageEngine Key Manager Plus before version 7151 that have Microsoft CA integration configured. The attacker needs a valid user account, so the exposure is limited to authenticated users who can reach the configuration screen.","user_interaction":"unknown","needs_special_setup":"yes","severity_if_unknown":"high"},"cost_usd":0.000684,"input_tokens":4085,"output_tokens":551,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-2026':14A,17A '-77691':15A,18A '7151':35B,68C 'accept':36B 'allow':69C 'attack':12A 'authent':41B,70C 'author':47B 'beyond':56B 'ca':9A,26B,80C 'certif':46B 'configur':7A,43B,77C 'cve':13A,16A 'enter':73C 'exact':54B 'flaw':60B 'handl':59B 'impact':55B 'input':5A,38B,58B,75C 'key':2A,20B,30B,63C 'key-manager-plus':19B 'let':10A 'malici':37B,74C 'manag':3A,21B,31B,64C 'manageengin':1A,23B,29B,62C 'microsoft':8A,25B,45B,79C 'microsoft-ca':24B 'plus':4A,22B,32B,65C 'sourc':49B 'state':52B 'user':11A,42B,71C 'vendor':27B 'version':33B,66C 'window':28B 'zohocorp':61C","nicknames":[],"mitigations":[],"who_affected":"Organisations running ManageEngine Key Manager Plus before version 7151 that have Microsoft CA integration configured. The attacker needs a valid user account, so the exposure is limited to authenticated users who can reach the configuration screen.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["high","keymanagerplus","manageengine","microsoftca","vendor","windows"],"first_public_at":"2026-11-03T10:17:18+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","cvss_by":"0fc0942c-577d-436f-ae8e-945763c79b02","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-77691","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77691","severity":null,"published_at":"2026-11-03T10:17:18+00:00","modified_at":"2026-11-03T10:17:18+00:00","first_seen_at":"2026-11-03T10:20:16+00:00","fetched_at":"2026-11-03T10:20:16+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}