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AlienVault OTX Vulnerabilities

AlienVault OTX Malware

uptime-kuma

Uptime Kuma >== 1.23.0 has a ReDoS vulnerability, specifically when an administrator creates a notification through the web service. If a string is provided it triggers catastrophic backtracking in the regular expression, leading to a ReDoS attack.

CVE-2025-26042 identifies a ReDoS vulnerability in Uptime Kuma, an open-source self-hosted monitoring tool, specifically in versions 1.23.0 and later. The vulnerability arises when an administrator creates a notification through the web interface and inputs a string that triggers catastrophic backtracking in the underlying regular expression engine. Catastrophic backtracking occurs when certain regex patterns cause the engine to consume exponentially increasing CPU resources when processing crafted input, leading to denial of service. This vulnerability is classified under CWE-1333, which relates to inefficient regular expressions causing performance degradation. The attack vector is network-based (AV:N), requiring high attack complexity (AC:H), administrator privileges (PR:H), and user interaction (UI:R). The scope is unchanged (S:U), with low confidentiality impact (C:L), but high integrity (I:H) and availability (A:H) impacts, resulting in a CVSS v3.1 base score of 6.0 (medium severity). Although no known exploits are currently reported in the wild, the vulnerability could be leveraged by attackers to disrupt monitoring services, potentially masking other malicious activities or causing operational downtime. The lack of available patches at the time of publication necessitates immediate mitigation strategies to reduce risk.

Detailed information about CVE-2025-26042: n/a. Get real-time updates, technical details, and mitigation strategies.

CVE-2025-26042: n/a - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2025-26042: n/a

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