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critical advisory

Out-of-bounds Read Vulnerability in fabiangreffrath woof (CVE-2026-4750)

CVE-2026-4750 is a critical out-of-bounds read vulnerability affecting fabiangreffrath woof versions before 15.3.0, potentially leading to information disclosure or denial of service.

An out-of-bounds read vulnerability exists in fabiangreffrath woof, a web server for simple file sharing. This vulnerability, identified as CVE-2026-4750, affects woof versions prior to 15.3.0. The vulnerability was reported by the Government Technology Agency of Singapore Cyber Security Group (GovTech CSG). An attacker could potentially exploit this vulnerability to read sensitive information from the server’s memory or cause a denial-of-service condition. This poses a risk to organizations…

Detection coverage 2

Detect Woof Out-of-Bounds Read Attempt

high

Detects potential exploitation attempts of CVE-2026-4750 in woof by identifying suspicious HTTP requests.

sigma tactics: discovery techniques: T1068 sources: webserver, linux

Detect Woof Out-of-Bounds Read Attempt (Path Traversal)

high

Detects potential exploitation attempts of CVE-2026-4750 in woof by identifying suspicious HTTP requests with path traversal.

sigma tactics: discovery techniques: T1068 sources: webserver, linux

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