{"cve":{"cve_id":"CVE-2026-102764","is_kev":true,"kev_date_added":"2026-10-16","kev_vendor_project":"BeyondTrust","kev_product":"Remote Support","kev_vulnerability_name":"BeyondTrust Remote Support Authentication Bypass by Spoofing Vulnerability","kev_short_description":"BeyondTrust Remote Support contains an authentication bypass by spoofing vulnerability that could allow a remote attacker to perform file operations on the appliance.","kev_required_action":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","kev_due_date":"2026-10-19","kev_known_ransomware":false,"kev_notes":"https://www.beyondtrust.com/trust-center/security-advisories/bt26-05 ; ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-102764","kev_cwes":["CWE-290"],"epss_score":null,"epss_percentile":null,"epss_as_of":null,"description":"The vulnerability exists within internal components of BeyondTrust’s Remote Support product. The components did not adequately validate the origin of the messages it received. Under the right conditions, this could allow an attacker to perform file operations on the appliance.","published_at":"2026-10-15T20:30:32.240000Z","last_modified_at":"2026-10-17T04:16:47.117000Z","cvss_v3_score":9.8,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_v3_severity":"CRITICAL","cvss_v4_score":9.3,"cvss_v4_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","cvss_v4_severity":"CRITICAL","ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-290"],"nvd_references":["https://nvd.nist.gov/vuln/detail/CVE-2026-102764","https://www.beyondtrust.com/blog/entry/bt26-05","https://beyondtrustcorp.service-now.com/csm?id=csm_kb_article&sysparm_article=KB0024066"],"vuln_status":"Analyzed","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-10-15T22:02:21.122801Z","updated_at":"2026-10-20T02:39:49.131671Z"},"effective_severity":"CRITICAL","badges":["kev","news"],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":"4.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"AT","name":"Attack Requirements","value":"N","value_label":"None"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"VC","name":"Confidentiality (Vulnerable System)","value":"H","value_label":"High"},{"metric":"VI","name":"Integrity (Vulnerable System)","value":"H","value_label":"High"},{"metric":"VA","name":"Availability (Vulnerable System)","value":"H","value_label":"High"},{"metric":"SC","name":"Confidentiality (Subsequent System)","value":"N","value_label":"None"},{"metric":"SI","name":"Integrity (Subsequent System)","value":"N","value_label":"None"},{"metric":"SA","name":"Availability (Subsequent System)","value":"N","value_label":"None"}]},"affected":[{"vendor_slug":"beyondtrust","vendor_name":"BeyondTrust","product_slug":"remote-support","product_name":"Remote Support","version_start":"0","version_start_inclusive":true,"version_end":"26.2.3","version_end_inclusive":true,"cpe23_uri":"cve5:beyondtrust:remote-support:0:26.2.3"},{"vendor_slug":"beyondtrust","vendor_name":"BeyondTrust","product_slug":"remote-support","product_name":"Remote Support","version_start":null,"version_start_inclusive":null,"version_end":"26.2.3","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:beyondtrust:remote_support:*:*:*:*:*:*:*:*"}],"exploit_refs":[],"news":[{"id":2612,"source":"The Hacker News","url":"https://thehackernews.com/2026/10/china-linked-hackers-exploited.html","title":"China-Linked Hackers Exploited BeyondTrust Zero-Day to Take Over Remote Support Servers","summary":"The China-nexus cyber espionage group tracked as Armory Castle (previously UNC5221 or Warp Panda) exploited a newly disclosed security flaw in BeyondTrust Remote Support (formerly Bomgar) as a zero-day in late August 2026.\n\nThe vulnerability, tracked as CVE-2026-102764 (CVSS score: 9.3), is a case of improper origin validation in an internal messaging component that could be exploited by a","thumbnail_url":"https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEic5zD5GBvYxe93igsDOMdwS6eyfDORIWio42Z9UY0enK0XKWYcQlLB9RLx3iO_V1xm8vqBxMVZ_R8Lt-xxOumO5_RIFN3hgB-yZyGGlVMypRx5lm2GJq-1c9cbzfRcjrMAIfBI67L4QUI-MwjjQjKL1RcgPnzFdYuAF3k1y2Ev-ppSmiG8sdQ5dbJkbjKR/s1600/beyond.jpg","author":"info@thehackernews.com (The Hacker News)","published_at":"2026-10-16T06:55:55Z","fetched_at":"2026-10-16T08:00:21.367912Z","trending_score":0.034201255662174516,"cve_ids":["CVE-2026-102764"]}],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102764","source_type":"CONFIRM","tags":[]},{"url":"https://www.beyondtrust.com/blog/entry/bt26-05","source_type":"MISC","tags":[]},{"url":"https://beyondtrustcorp.service-now.com/csm?id=csm_kb_article&sysparm_article=KB0024066","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-10-15T20:30:32.240000Z","label":"CVE published","source":null},{"type":"cisa_reported","at":"2026-10-16T00:00:00Z","label":"Added to CISA KEV catalog","source":"kev"},{"type":"first_article","at":"2026-10-16T06:55:55Z","label":"First news coverage","source":"The Hacker News"},{"type":"cvss_changed","at":"2026-10-20T02:39:49.131671Z","label":"CVSS score revised","source":"nvd"},{"type":"cvss_changed","at":"2026-10-20T02:39:49.131671Z","label":"CVSS score revised","source":"nvd"},{"type":"cvss_changed","at":"2026-10-20T02:39:49.131671Z","label":"CVSS score revised","source":"nvd"}]}