CWE-159

Improper Handling of Invalid Use of Special Elements

3 CVEs Avg CVSS 4.8 MITRE
0
CRITICAL
1
HIGH
1
MEDIUM
1
LOW
0
POC
0
KEV

Monthly

CVE-2026-35536 HIGH PATCH GHSA This Week

Cookie attribute injection in Tornado web framework versions before 6.5.5 allows unauthenticated remote attackers to manipulate cookie security attributes through crafted characters in domain, path, and samesite parameters of RequestHandler.set_cookie. With CVSS 7.2 and EPSS data unavailable, this represents a moderate integrity and confidentiality risk for web applications using affected Tornado versions. No public exploit identified at time of analysis, though the vulnerability mechanism is straightforward for exploitation.

Code Injection
NVD GitHub VulDB
CVSS 3.1
7.2
EPSS
0.0%
CVE-2026-2636 MEDIUM This Month

Local denial of service in Windows CLFS.sys driver allows unprivileged users to crash the system through improper handling of special elements. Affected versions include Windows 11 2024 LTSC and Windows Server 2025 prior to the September 2025 cumulative update, while Windows 25H2 and later contain the patch. No public exploit code is currently available, and the vulnerability carries a CVSS score of 5.5 with zero estimated probability of exploitation.

Microsoft Windows Denial Of Service
NVD
CVSS 3.1
5.5
EPSS
0.0%
CVE-2025-52884 LOW PATCH Monitor

A security vulnerability in RISC Zero (CVSS 1.7). Remediation should follow standard vulnerability management procedures.

Information Disclosure
NVD GitHub
CVSS 4.0
1.7
EPSS
0.1%
CVE-2026-35536
EPSS 0% CVSS 7.2
HIGH PATCH This Week

Cookie attribute injection in Tornado web framework versions before 6.5.5 allows unauthenticated remote attackers to manipulate cookie security attributes through crafted characters in domain, path, and samesite parameters of RequestHandler.set_cookie. With CVSS 7.2 and EPSS data unavailable, this represents a moderate integrity and confidentiality risk for web applications using affected Tornado versions. No public exploit identified at time of analysis, though the vulnerability mechanism is straightforward for exploitation.

Code Injection
NVD GitHub VulDB
CVE-2026-2636
EPSS 0% CVSS 5.5
MEDIUM This Month

Local denial of service in Windows CLFS.sys driver allows unprivileged users to crash the system through improper handling of special elements. Affected versions include Windows 11 2024 LTSC and Windows Server 2025 prior to the September 2025 cumulative update, while Windows 25H2 and later contain the patch. No public exploit code is currently available, and the vulnerability carries a CVSS score of 5.5 with zero estimated probability of exploitation.

Microsoft Windows Denial Of Service
NVD
CVE-2025-52884
EPSS 0% CVSS 1.7
LOW PATCH Monitor

A security vulnerability in RISC Zero (CVSS 1.7). Remediation should follow standard vulnerability management procedures.

Information Disclosure
NVD GitHub

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