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Ai2 playground web service (playground.allenai.org) LLM chat through 2025-06-03 is vulnerable to Insecure Direct Object Reference (IDOR), allowing attackers to gain sensitvie information via enumerating thread keys in the URL.

CVE-2025-51865 is a vulnerability identified in the Ai2 playground web service (playground.allenai.org), specifically affecting its large language model (LLM) chat functionality as of June 3, 2025. The vulnerability is classified as an Insecure Direct Object Reference (IDOR), which occurs when an application exposes a reference to an internal implementation object, such as a file, directory, or database key, without proper access control. In this case, attackers can enumerate thread keys embedded in the URL to access sensitive information that they should not be authorized to view. This enumeration can be performed by iterating over possible thread identifiers, exploiting the lack of proper authorization checks on these references. The vulnerability does not have a CVSS score yet, and no known exploits are reported in the wild. The affected versions are unspecified, but the vulnerability is tied to the service state as of June 3, 2025. Since the vulnerability involves direct URL manipulation, it likely requires no authentication or minimal user interaction, making it easier for attackers to exploit. The impact primarily concerns confidentiality breaches, as unauthorized users can access sensitive chat threads or data. The vulnerability is significant because it exposes potentially private or proprietary information handled by the LLM chat service, which could include user conversations, intellectual property, or other sensitive data processed by the AI platform.

Detailed information about CVE-2025-51865: n/a. Get real-time updates, technical details, and mitigation strategies.

CVE-2025-51865: n/a - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2025-51865: n/a

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