PYSEC-2026-2399 BentoML has Information Disclosure in `bentoml build` via symlink traversal in the build context

Summary BentoML's bentoml build packaging workflow follows attacker-controlled symlinks inside the build context and copies the referenced file contents into the generated Bento artifact. If a victim builds an untrusted repository or other attacker-supplied build context, the attacker can place a...

PYSEC-2026-2398 BentoML Vulnerable to Arbitrary File Write via Symlink Path Traversal in Tar Extraction

Arbitrary File Write via Symlink Path Traversal in Tar Extraction Summary The safeextracttarfile function validates that each tar member's path is within the destination directory, but for symlink members it only validates the symlink's own path, not the symlink's target. An attacker can create a...

Exploit for Deserialization of Untrusted Data in Bentoml

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EUVD-2026-42271

A vulnerability was found in bentoml OpenLLM 0.6.30. This affects the function asyncruncommand of the file src/openllm/common.py of the component Model Repository Directory Name Handler. Performing a manipulation of the argument cmd results in command injection. Attacking locally is a requirement...

CVE-2026-15035 bentoml OpenLLM Model Repository Directory Name common.py async_run_command command injection

A vulnerability was found in bentoml OpenLLM 0.6.30. This affects the function asyncruncommand of the file src/openllm/common.py of the component Model Repository Directory Name Handler. Performing a manipulation of the argument cmd results in command injection. Attacking locally is a requirement...

CVE-2026-15035

Bentoml OpenLLM 0.6.30 is affected by a command-injection in async_run_command (src/openllm/common.py, Model Repository Directory Name Handler). The vulnerability stems from manipulation of the cmd argument, enabling local exploitation. Public exploit details exist, and attack requires local acce...

CVE-2026-15035 bentoml OpenLLM Model Repository Directory Name common.py async_run_command command injection

A vulnerability was found in bentoml OpenLLM 0.6.30. This affects the function asyncruncommand of the file src/openllm/common.py of the component Model Repository Directory Name Handler. Performing a manipulation of the argument cmd results in command injection. Attacking locally is a requirement...

PYSEC-2026-1219 BentoML Denial of Service (DoS) via Multipart Boundary

BentoML version v1.3.4post1 is vulnerable to a Denial of Service DoS attack. The vulnerability can be exploited by appending characters, such as dashes -, to the end of a multipart boundary in an HTTP request. This causes the server to continuously process each character, leading to excessive...

PYSEC-2026-296 Insecure deserialization in BentoML

An insecure deserialization vulnerability exists in the BentoML framework, allowing remote code execution RCE by sending a specially crafted POST request. By exploiting this vulnerability, attackers can execute arbitrary commands on the server hosting the BentoML application. The vulnerability is...

PYSEC-2026-297 BentoML SSRF Vulnerability in File Upload Processing

Description There's an SSRF in the file upload processing system that allows remote attackers to make arbitrary HTTP requests from the server without authentication. The vulnerability exists in the serialization/deserialization handlers for multipart form data and JSON requests, which automatical...

PYSEC-2026-294 BentoML Allows Remote Code Execution (RCE) via Insecure Deserialization

Summary A Remote Code Execution RCE vulnerability caused by insecure deserialization has been identified in the latest versionv1.4.2 of BentoML. It allows any unauthenticated user to execute arbitrary code on the server. Details It exists an unsafe code segment in serde.py: Python def...

PYSEC-2026-295 BentoML deserialization vulnerability

A deserialization vulnerability exists in BentoML's runner server in bentoml/bentoml versions =1.3.4.post1. By setting specific parameters, an attacker can execute unauthorized arbitrary code on the server, causing severe harm. The vulnerability is triggered when the args-number parameter is...

CVE-2026-44345

BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to 1.4.39, src/bentoml/internal/container/frontend/dockerfile/templates/basev2.j2 interpolates docker.baseimage raw with no escaping, newline filtering, or validation. A malicious...

CVE-2026-44346

BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to 1.4.39, a malicious bentofile.yaml containing a newline-injected value in envs.name produces unquoted RUN directives in the BentoML-generated Dockerfile. When the victim runs bentom...

ai-dynamo (=0.1.0), bento2seldon (>=0.1.0 <=0.4.0) +16 more potentially affected by CVE-2026-44345 via bentoml (>=0.10.1 <=1.4.3)

bentoml PYPI version =0.10.1, =0.1.0, =0.1.0, =0.0.10, =0.0.5, =0.3.12, =0.0.1, =1.0.3, =0.0.10, =0.0.1, =0.0.1, =0.0.13 and more Source cves: CVE-2026-44345 Source advisory: OSV:PYSEC-2026-189...

PYSEC-0000-CVE-2026-44345

BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to 1.4.39, src/bentoml/internal/container/frontend/dockerfile/templates/basev2.j2 interpolates docker.baseimage raw with no escaping, newline filtering, or validation. A malicious...

PYSEC-2026-190

BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to 1.4.39, a malicious bentofile.yaml containing a newline-injected value in envs.name produces unquoted RUN directives in the BentoML-generated Dockerfile. When the victim runs bentom...

ai-dynamo (=0.1.0), bento2seldon (>=0.1.0 <=0.4.0) +16 more potentially affected by CVE-2026-44346 via bentoml (>=0.10.1 <=1.4.3)

bentoml PYPI version =0.10.1, =0.1.0, =0.1.0, =0.0.10, =0.0.5, =0.3.12, =0.0.1, =1.0.3, =0.0.10, =0.0.1, =0.0.1, =0.0.13 and more Source cves: CVE-2026-44346 Source advisory: OSV:PYSEC-2026-190...

PYSEC-0000-CVE-2026-44346

BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to 1.4.39, a malicious bentofile.yaml containing a newline-injected value in envs.name produces unquoted RUN directives in the BentoML-generated Dockerfile. When the victim runs bentom...

PYSEC-2026-189

BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to 1.4.39, src/bentoml/internal/container/frontend/dockerfile/templates/basev2.j2 interpolates docker.baseimage raw with no escaping, newline filtering, or validation. A malicious...