CVE-2025-27520
CRITICALCVSS v3
9.8
CRITICAL
EPSS Score
77.8%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
BentoML is a Python library for building online serving systems optimized for AI apps and model inference. A Remote Code Execution (RCE) vulnerability caused by insecure deserialization has been identified in the latest version (v1.4.2) of BentoML. It allows any unauthenticated user to execute arbitrary code on the server. It exists an unsafe code segment in serde.py. This vulnerability is fixed in 1.4.3.
Technical Details
- Published
- 4/4/2025
Frequently Asked Questions
What is CVE-2025-27520?
BentoML is a Python library for building online serving systems optimized for AI apps and model inference. A Remote Code Execution (RCE) vulnerability caused by insecure deserialization has been identified in the latest version (v1.4.2) of BentoML. It allows any unauthenticated user to execute arbitrary code on the server. It exists an unsafe code segment in serde.py. This vulnerability is fixed in 1.4.3.
Is CVE-2025-27520 actively exploited?
Active exploitation of CVE-2025-27520 has not been confirmed. The EPSS score is 77.8%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2025-27520?
CVE-2025-27520 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2025-27520 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.