A10:2025: Mishandling of Exceptional Conditions
New in 2025. Poor error and exception handling that leads to unpredictable or insecure behavior. Replaces SSRF as a standalone category, which moved into A01.
How it's found
Identified by sending malformed and boundary-condition inputs to observe error handling, verbose stack traces, and unpredictable failure states.
Standards mapping
- References
- https://owasp.org/Top10/2025/
Where this fits in a TurboPentest engagement
This weakness is not covered by the automated black-box pentest. IntegSec pentesters cover it in a manual engagement.
Frequently asked questions
What is A10:2025 Mishandling of Exceptional Conditions?
New in 2025. Poor error and exception handling that leads to unpredictable or insecure behavior. Replaces SSRF as a standalone category, which moved into A01.
How do you find Mishandling of Exceptional Conditions?
Identified by sending malformed and boundary-condition inputs to observe error handling, verbose stack traces, and unpredictable failure states.
Which CWEs map to A10:2025?
A10:2025 maps to CWE-755, CWE-703, CWE-248.
Does TurboPentest test for Mishandling of Exceptional Conditions?
This weakness is not covered by the automated black-box pentest. IntegSec pentesters cover it in a manual engagement.
Related OWASP categories
Written and reviewed by
Michel Chamberland - Founder & CEO, IntegSec
CISSP, OSCP, OSCE, CEH, GIAC, CCSK · 20+ years in offensive security
Michel has spent 20+ years on offensive security teams including IBM X-Force Red and Trustwave SpiderLabs, leading penetration tests, red team engagements, and breach response for Fortune 500 customers. He is the founder of IntegSec and the architect of TurboPentest.
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