Log Injection via /j_security_check in Java EE Container (CWE-116)
CVE-2026-2404 Published on April 14, 2026
CWE-116 Improper Encoding or Escaping of Output vulnerability exists that could cause log injection and forged log when an attacker alters the POST /j_security check request payload.
Vulnerability Analysis
CVE-2026-2404 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
What is an Output Sanitization Vulnerability?
The software prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.
CVE-2026-2404 has been classified to as an Output Sanitization vulnerability or weakness.
Affected Versions
Schneider Electric PowerChute™ Serial Shutdown Version Versions 1.4 and prior is affected by CVE-2026-2404Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.