{"id":55012,"date":"2025-06-25T03:46:27","date_gmt":"2025-06-25T03:46:27","guid":{"rendered":""},"modified":"2025-10-03T12:32:27","modified_gmt":"2025-10-03T18:32:27","slug":"cve-2025-49651-critical-unauthorized-access-vulnerability-in-backendai","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-49651-critical-unauthorized-access-vulnerability-in-backendai\/","title":{"rendered":"CVE-2025-49651: Critical Unauthorized Access Vulnerability in BackendAI<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

Lablup’s BackendAI, a popular AI management solution, has a critical vulnerability identified as CVE-2025-49651. This vulnerability allows attackers to take over all active sessions, thereby accessing, stealing, or altering any data accessible in the session. All current versions of BackendAI are affected, making a large portion of AI servers vulnerable<\/a>. This issue is significant due to the potential system compromise and data leakage that could occur if successfully exploited<\/a>, posing a severe risk to the integrity and confidentiality of sensitive data.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-49651
\nSeverity: Critical (CVSS: 8.1)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: System compromise and data<\/a> leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

BackendAI | All current versions<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The CVE-2025-49651 exploit takes advantage of a missing authorization<\/a> check in BackendAI’s session management. This flaw allows attackers to remotely<\/a> seize control of any active session by simply sending specially crafted network requests. Once a session is hijacked, the attacker has unrestricted access to all data<\/a> and resources within the session, leading to potential system compromise and data leakage.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

The following conceptual example demonstrates how this vulnerability might be exploited. This is a sample HTTP request<\/a>, which an attacker might use to hijack an active session:<\/p>\n

GET \/BackendAI\/sessionID12345\/takeover HTTP\/1.1\nHost: vulnerable.example.com\nContent-Type: application\/json\n{\"session_control\": \"hijack\"}<\/code><\/pre>\n
Mitigation and Prevention<\/strong><\/p>\n
Users of BackendAI should immediately apply the vendor-provided patch to remediate this vulnerability. If the patch cannot be applied immediately, users are advised to use a Web<\/a> Application Firewall (WAF) or Intrusion Detection System (IDS) as temporary mitigation. These systems can detect and block attempts to exploit this vulnerability<\/a>.
\nRemember, in the realm of cybersecurity<\/a>, staying updated is equally as important as staying informed. Therefore, system administrators are always advised to keep software and security systems up-to-date to protect against the latest known vulnerabilities<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview Lablup’s BackendAI, a popular AI management solution, has a critical vulnerability identified as CVE-2025-49651. This vulnerability allows attackers to take over all active sessions, thereby accessing, stealing, or altering any data accessible in the session. All current versions of BackendAI are affected, making a large portion of AI servers vulnerable. This issue is significant […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-55012","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t