Unrated severityNVD Advisory· Published Jul 1, 2026· Updated Jul 2, 2026
Improper Output Neutralization for Logs in Kibana Leading to Log Injection
CVE-2026-49091
Description
Improper Output Neutralization for Logs (CWE-117) in Kibana can lead to log injection via Log Injection-Tampering-Forging (CAPEC-93). An attacker can supply specially crafted input that is written to log files without proper neutralization. When the log files are subsequently viewed in a terminal that interprets control sequences, the injected content may alter the displayed log data.
Patches
Vulnerability mechanics
References
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