Report by OWASP
Top 10 for LLM Applications 2026
5 FINDINGSPublished Aug 4, 2026
View Original Report →Key Findings
Practitioners rank prompt injection as the number one security challenge from GenAI tools for a third consecutive year.
AI SecurityPrompt InjectionGen AI
Sensitive information disclosure ranks as the second biggest LLM threat for a second consecutive year.
Data LeakageAI SecuritySensitive Data
Excessive agency moves from sixth place to third place in the OWASP Top 10 for LLM Applications.
AI AgentsExcessive PrivilegesApplication Security
In 2026, misinformation moves from ninth place to seventh place in the OWASP Top 10 for LLM Applications.
MisinformationInformation IntegrityAI HallucinationAI Security
Unbounded consumption moves from tenth place to sixth place in the OWASP Top 10 for LLM Applications.
Resource ExhaustionAI Security