CVE-2023-49804

Uptime Kuma is an easy-to-use self-hosted monitoring tool. Prior to version 1.23.9, when a user changes their login password in Uptime Kuma, a previously logged-in user retains access without being logged out. This behavior persists consistently, even after system restarts or browser restarts. Th...

Regular Expression Denial Of Service

uptime-kuma is vulnerable to Regular Expression Denial of Service ReDoS. The vulnerability is due to inefficient regex processing due to catastrophic backtracking triggered by crafted input during notification creation via the web service...

GHSA-HX7H-9VF7-5XHG Uptime Kuma's Regular Expression in pushdeeer and whapi file Leads to ReDoS Vulnerability Due to Catastrophic Backtracking

Summary There is a ReDoS vulnerability risk in the system, specifically when administrators create notification through the web servicepushdeer and whapi. If a string is provided that triggers catastrophic backtracking in the regular expression, it may lead to a ReDoS attack. Details The regular...

Regular Expression Denial Of Service (ReDoS)

Uptime Kuma is vulnerable to Regular Expression Denial of Service ReDoS. The vulnerability is due to catastrophic backtracking in the regular expression when processing user-provided strings for notifications, allowing an attacker to cause a denial of service with a specially crafted string...

CVE-2025-26042

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...

Duplicate Advisory: Uptime Kuma ReDoS vulnerability

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-hx7h-9vf7-5xhg. This link is maintained to preserve external references. Original Description Uptime Kuma == 1.23.0 has a ReDoS vulnerability, specifically when an administrator creates a notification through th...

GHSA-3RW8-4XRQ-3F7P Duplicate Advisory: Uptime Kuma ReDoS vulnerability

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-hx7h-9vf7-5xhg. This link is maintained to preserve external references. Original Description Uptime Kuma == 1.23.0 has a ReDoS vulnerability, specifically when an administrator creates a notification through th...

CVE-2025-26042

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

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

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

Uptime Kuma

Uptime Kuma 安全漏洞

Uptime Kuma is an easy-to-use, self-hosted monitoring tool from the individual developer Louis Lam. A security vulnerability exists in Uptime Kuma 1.23.0 and prior versions that stems from a regular expression denial of service...

CVE-2025-26042

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...

Directory Traversal

Uptime Kuma is vulnerable to Directory Traversal. The vulnerability is due to inadequate validation of user-supplied URLs that allows attackers to exploit the file:/// protocol, enabling access to sensitive local files via the "real-browser" request type...

CVE-2024-56331

Uptime Kuma is an open source, self-hosted monitoring tool. An Improper URL Handling Vulnerability allows an attacker to access sensitive local files on the server by exploiting the file:/// protocol. This vulnerability is triggered via the "real-browser" request type, which takes a screenshot of...

CVE-2024-56331

CVE-2024-56331 affects Uptime Kuma’s real-browser monitor, enabling Local File Inclusion via file:/// URLs. The vulnerability arises from insufficient server-side validation of the URL input, allowing an authenticated user to trigger the browser to fetch and capture local files (e.g., /etc/passwd...

CVE-2024-56331 Local File Inclusion (LFI) via Improper URL Handling in uptime-kuma's `Real-Browser` monitor

Uptime Kuma is an open source, self-hosted monitoring tool. An Improper URL Handling Vulnerability allows an attacker to access sensitive local files on the server by exploiting the file:/// protocol. This vulnerability is triggered via the "real-browser" request type, which takes a screenshot of...

CVE-2024-56331 Local File Inclusion (LFI) via Improper URL Handling in uptime-kuma's `Real-Browser` monitor

Uptime Kuma is an open source, self-hosted monitoring tool. An Improper URL Handling Vulnerability allows an attacker to access sensitive local files on the server by exploiting the file:/// protocol. This vulnerability is triggered via the "real-browser" request type, which takes a screenshot of...

CVE-2024-56331 Local File Inclusion (LFI) via Improper URL Handling in uptime-kuma's `Real-Browser` monitor

Uptime Kuma is an open source, self-hosted monitoring tool. An Improper URL Handling Vulnerability allows an attacker to access sensitive local files on the server by exploiting the file:/// protocol. This vulnerability is triggered via the "real-browser" request type, which takes a screenshot of...

PT-2024-36794 · Unknown · Uptime Kuma

Name of the Vulnerable Software and Affected Versions: Uptime Kuma versions prior to 1.23.16 Description: An Improper URL Handling issue allows an attacker to access sensitive local files on the server by exploiting the file:/// protocol. This issue is triggered via the "real-browser" request typ...