{"cve":{"cve_id":"CVE-2026-105134","is_kev":true,"kev_date_added":"2026-10-14","kev_vendor_project":"Ahsay","kev_product":"AhsayCBS","kev_vulnerability_name":"Ahsay AhsayCBS Command Injection Vulnerability","kev_short_description":"Ahsay AhsayCBS contains a command injection vulnerability that could allow a remote attacker to execute operating system commands via manipulation of the random parameter in the Replication Receiver component’s /rps/api/json/UpdateReceivers.do endpoint. This vulnerability can be chained with CVE-2026-105133.","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":"2026-10-17","kev_known_ransomware":false,"kev_notes":"https://www.ahsay.com/en/company/announcements/patch-cve-105133-105134-update ; ; 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-2026-105134","kev_cwes":["CWE-77","CWE-78"],"epss_score":0.03237,"epss_percentile":0.88063,"epss_as_of":"2026-10-15","description":"A flaw has been found in Ahsay AhsayCBS up to 9.15.2.69/10.3.4.44. This vulnerability affects unknown code of the file /rps/api/json/UpdateReceivers.do of the component Replication Receiver. Executing a manipulation of the argument random can lead to os command injection. It is possible to launch the attack remotely. The exploit has been published and may be used. Upgrading to version 9.15.2.70 and 10.3.4.45 is able to resolve this issue. Upgrading the affected component is advised. The initial patch did not fix the security vulnerability properly. An update of the CVE entry to reflect this became necessary.","published_at":"2026-10-04T05:30:12.882000Z","last_modified_at":"2026-10-15T13:47:12.400000Z","cvss_v3_score":10.0,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C","cvss_v3_severity":"CRITICAL","cvss_v4_score":10.0,"cvss_v4_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A","cvss_v4_severity":"CRITICAL","ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-78","CWE-77"],"nvd_references":["https://vuldb.com/vuln/413351","https://vuldb.com/vuln/413351/cti","https://vuldb.com/cve/CVE-2026-105134","https://vuldb.com/submit/942743","https://www.ahsay.com/en/company/announcements/patch-cve-105133-105134-update","https://www.huntress.com/blog/ahsaycbs-flaws-exploit"],"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":"2026-10-04T08:32:05.944751Z","updated_at":"2026-10-26T20:43:00.670415Z"},"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":"C","value_label":"Changed"},{"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"},{"metric":"E","name":"E","value":"H","value_label":"High"},{"metric":"RL","name":"RL","value":"O","value_label":"O"},{"metric":"RC","name":"RC","value":"C","value_label":"Changed"}]},"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 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System)","value":"H","value_label":"High"},{"metric":"E","name":"E","value":"A","value_label":"Adjacent"}]},"affected":[{"vendor_slug":"ahsay","vendor_name":"ahsay","product_slug":"ahsaycbs","product_name":"ahsaycbs","version_start":null,"version_start_inclusive":null,"version_end":null,"version_end_inclusive":null,"cpe23_uri":"cpe:2.3:a:ahsay:ahsaycbs:*:*:*:*:*:*:*:*"},{"vendor_slug":"ahsay","vendor_name":"ahsay","product_slug":"cloud-backup-suite","product_name":"cloud_backup_suite","version_start":null,"version_start_inclusive":null,"version_end":"10.3.4","version_end_inclusive":false,"cpe23_uri":"cpe:2.3:a:ahsay:cloud_backup_suite:*:*:*:*:*:*:*:*"}],"exploit_refs":[],"news":[{"id":2585,"source":"The Hacker News","url":"https://thehackernews.com/2026/10/ahsaycbs-flaws-exploited-to-deploy-web.html","title":"AhsayCBS Flaws Exploited to Deploy Web Shells Get New Fixes After Incomplete Patches","summary":"Singapore-based Ahsay Backup has released security updates to address two security flaws in AhsayCBS that have been exploited by bad actors to drop web shells and XMRig cryptocurrency miners.\n\nThe vulnerabilities in question are CVE-2026-105133 and CVE-2026-105134, which could be chained to sidestep authentication and execute arbitrary commands on affected systems.\n\nIn a report published earlier","thumbnail_url":"https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhH_5A4EPZ4VVdF4dve5fMe4BwreUmtWCJQrgMiBdiZyoFInoZK_nO6ouOwLMCyyQPrXWE4_n3NE39b4C2UQi-G4uE3ufyv7A9IEYEp9O3ggTu7AyDRzOqwVqhLjISLvOTasPiAcdFafFtL7B5uoKtm8GPeFFxrKDupGCoqZJ2o88sUmaGbjKk6E3sJgIKD/s1600/backup.jpg","author":"info@thehackernews.com (The Hacker 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Hacker News"},{"type":"cvss_changed","at":"2026-10-26T20:43:00.670415Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-10-26T20:43:00.670415Z","label":"CVSS score revised","source":"cvelistv5"}]}