{"id":"CVE-2026-91905","kind":"vulnerability","aliases":["CVE-2026-91905"],"related":[],"title":"Dell OpenManage Enterprise: signature check flaw lets a local admin write files","description":"Dell OpenManage Enterprise, versions prior to 4.8.0, contains an Improper Verification of Cryptographic Signature vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to Filesystem access for attacker.","summary":"Dell OpenManage Enterprise versions before 4.8.0 do not properly verify a cryptographic signature. A highly privileged local attacker can exploit this to gain filesystem access.","severity":"medium","cvss":6.4,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["dell-openmanage-enterprise","infrastructure","self-hosted","windows"],"not_affected_if":["no-local-admin-access","version-4.8.0-or-later"],"how_to_check":"- Check the installed OpenManage Enterprise version in the appliance or console and compare it with `4.8.0`.","fix":"- Dell OpenManage Enterprise: move to `4.8.0` or later.","status":"open","published_at":"2026-11-02T13:17:40+00:00","first_seen_at":"2026-11-02T13:23:16+00:00","triaged_at":"2026-11-02T13:24:49+00:00","updated_at":"2026-11-02T13:24:49+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-11-02T13:24:49Z","model":"claude-haiku-5-5","output":{"fix":"- Dell OpenManage Enterprise: move to `4.8.0` or later.","reach":"local","title":"Dell OpenManage Enterprise: signature check flaw lets a local admin write files","impact":"high","summary":"Dell OpenManage Enterprise versions before 4.8.0 do not properly verify a cryptographic signature. A highly privileged local attacker can exploit this to gain filesystem access.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["dell-openmanage-enterprise","self-hosted","windows"],"confidence":0.6,"fix_status":"available","needs_auth":"yes","worst_case":"attacker gains filesystem access on the management server","analyst_note":"","how_to_check":"- Check the installed OpenManage Enterprise version in the appliance or console and compare it with `4.8.0`.\n- unknown for other checks; the sources do not say which configuration files or services are involved.","plain_action":"","needs_analyst":false,"not_affected_if":["version-4.8.0-or-later","no-local-admin-access"],"who_is_affected":"Teams running Dell OpenManage Enterprise before 4.8.0 on servers they manage. Exploitation requires a highly privileged account with local access, so exposure is limited to insiders or attackers who already hold such access. Teams on 4.8.0 or later are not affected.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000669,"input_tokens":4124,"output_tokens":513,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':14A,17A '-91905':15A,18A '4.8.0':33B,59C 'access':52B,74C,83C 'admin':10A 'attack':45B,71C,85C 'check':5A 'contain':60C 'could':75C 'cryptograph':39B,65C 'cve':13A,16A 'dell':1A,20B,28B,53C 'dell-openmanage-enterpris':19B 'enterpris':3A,22B,30B,55C 'exploit':47B,77C 'file':12A 'filesystem':51B,82C 'flaw':6A 'gain':50B 'high':42B,69C 'host':26B 'improp':62C 'infrastructur':23B 'lead':80C 'let':7A 'local':9A,44B,73C 'openmanag':2A,21B,29B,54C 'potenti':76C 'prior':57C 'privileg':43B,70C 'proper':36B 'self':25B 'self-host':24B 'signatur':4A,40B,66C 'verif':63C 'verifi':37B 'version':31B,56C 'vulner':67C,79C 'window':27B 'write':11A","nicknames":[],"mitigations":[],"who_affected":"Teams running Dell OpenManage Enterprise before 4.8.0 on servers they manage. Exploitation requires a highly privileged account with local access, so exposure is limited to insiders or attackers who already hold such access. Teams on 4.8.0 or later are not affected.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["dellopenmanageenterprise","infrastructure","medium","selfhosted","windows"],"first_public_at":"2026-11-02T13:17:40+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","cvss_by":"security_alert@emc.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-91905","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91905","severity":null,"published_at":"2026-11-02T13:17:40+00:00","modified_at":"2026-11-02T13:17:40+00:00","first_seen_at":"2026-11-02T13:23:16+00:00","fetched_at":"2026-11-02T13:23:16+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"}