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Threats Tagged 'cve-2026-45689'

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Threats Tagged 'cve-2026-45689'

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CVE-2026-45689: CWE-943: Improper Neutralization of Special Elements in Data Query Logic in RocketChat Rocket.ChatCVE-2026-45689
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CVE-2026-45689 is a critical vulnerability in Rocket.Chat prior to versions 7.10.11, 7.13.7, 8.0.5, 8.1.4, 8.2.3, 8.3.3, 8.4.1, and 8.5.0. It allows an unauthenticated attacker to obtain valid OAuth access tokens for arbitrary users by exploiting improper input validation in the OAuth token endpoint. This enables the attacker to impersonate users, including administrators, and gain full API access without any credentials or prior interaction. The vulnerability arises from the server failing to validate that grant parameters are strings before using them in MongoDB queries, allowing injection of query operators to bypass authentication controls.

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