{"id":"CVE-2026-58677","kind":"vulnerability","aliases":["CVE-2026-58677"],"related":[],"title":"Secure boot root signature check bypassable by physical fault injection","description":"In get_secure_boot_mode of auth.rs, there is a possible way to bypass root signature verification via fault injection due to a logic error. This could lead to physical escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","summary":"A logic error in get_secure_boot_mode in auth.rs lets an attacker with physical access skip root signature verification using fault injection. The sources say this leads to privilege escalation with no extra execution privileges and no user interaction.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["firmware","infrastructure","secure-boot"],"not_affected_if":["no-physical-access"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T20:19:22+00:00","first_seen_at":"2026-11-10T20:46:09+00:00","triaged_at":"2026-11-10T20:52:04+00:00","updated_at":"2026-11-10T20:52:04+00:00","category":"infrastructure","confidence":0.4,"triage":{"at":"2026-11-10T20:52:04Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Secure boot root signature check bypassable by physical fault injection","impact":"high","summary":"A logic error in get_secure_boot_mode in auth.rs lets an attacker with physical access skip root signature verification using fault injection. The sources say this leads to privilege escalation with no extra execution privileges and no user interaction.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["secure-boot","firmware"],"confidence":0.4,"fix_status":"unknown","needs_auth":"no","worst_case":"Attacker bypasses secure boot and escalates privileges on the device","analyst_note":"Identify the affected product and firmware from the NVD entry (https://nvd.nist.gov/vuln/detail/CVE-2026-58677) and the vendor advisory, then find the fixed version.","how_to_check":"unknown","plain_action":"","product_name":"unknown","needs_analyst":true,"not_affected_if":["no-physical-access"],"who_is_affected":"The sources do not name the affected product or firmware version. Exposure needs physical access to the device and fault-injection equipment, so it applies to hardware where an attacker can reach the chip. unknown","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"low"},"cost_usd":0.000687,"input_tokens":4530,"output_tokens":468,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-58677':13A,16A 'access':37B 'addit':97C 'attack':34B 'auth.rs':31B,68C 'boot':2A,21B,28B,65C 'bypass':6A,75C 'check':5A 'could':88C 'cve':11A,14A 'due':82C 'error':24B,86C 'escal':52B,92C 'execut':56B,98C 'exploit':107C 'extra':55B 'fault':9A,43B,80C 'firmwar':17B 'get':26B,63C 'infrastructur':18B 'inject':10A,44B,81C 'interact':61B,102C 'lead':49B,89C 'let':32B 'logic':23B,85C 'mode':29B,66C 'need':100C,105C 'physic':8A,36B,91C 'possibl':72C 'privileg':51B,57B,94C,99C 'root':3A,39B,76C 'say':47B 'secur':1A,20B,27B,64C 'secure-boot':19B 'signatur':4A,40B,77C 'skip':38B 'sourc':46B 'use':42B 'user':60B,101C 'verif':41B,78C 'via':79C 'way':73C","nicknames":[],"mitigations":[],"who_affected":"The sources do not name the affected product or firmware version. Exposure needs physical access to the device and fault-injection equipment, so it applies to hardware where an attacker can reach the chip. unknown","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["firmware","infrastructure","secureboot","unknown"],"campaign_type":null,"search_a":"'-2026':12A,15A '-58677':13A,16A 'boot':2A 'bypass':6A 'check':5A 'cve':11A,14A 'fault':9A 'inject':10A 'physic':8A 'root':3A 'secur':1A 'signatur':4A","search_b":"'access':37B 'attack':34B 'auth.rs':31B 'boot':21B,28B 'error':24B 'escal':52B 'execut':56B 'extra':55B 'fault':43B 'firmwar':17B 'get':26B 'infrastructur':18B 'inject':44B 'interact':61B 'lead':49B 'let':32B 'logic':23B 'mode':29B 'physic':36B 'privileg':51B,57B 'root':39B 'say':47B 'secur':20B,27B 'secure-boot':19B 'signatur':40B 'skip':38B 'sourc':46B 'use':42B 'user':60B 'verif':41B","search_c":"'addit':97C 'auth.rs':68C 'boot':65C 'bypass':75C 'could':88C 'due':82C 'error':86C 'escal':92C 'execut':98C 'exploit':107C 'fault':80C 'get':63C 'inject':81C 'interact':102C 'lead':89C 'logic':85C 'mode':66C 'need':100C,105C 'physic':91C 'possibl':72C 'privileg':94C,99C 'root':76C 'secur':64C 'signatur':77C 'user':101C 'verif':78C 'via':79C 'way':73C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T20:19:22+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-58677","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58677","severity":null,"published_at":"2026-11-10T20:19:22+00:00","modified_at":"2026-11-10T20:19:22+00:00","first_seen_at":"2026-11-10T20:46:09+00:00","fetched_at":"2026-11-10T20:46:09+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}