day09-bentoml-deser-lab

Day 09 — CVE-2025-27520 BentoML-style insecure deserialization — Local Docker lab This lab reproduces the insecure deserialization class that led to CVE-2025-27520. It is intentionally vulnerable for educational purposes. Run locally in Docker only. Quickstart Build and run: docker build -t...

CVE-2025-27520

CVE-2025-27520 exploit for CVE-2025-27520 A Remote Code Execution RCE vulnerability caused by insecure deserialization 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...

bentoml_CVE-2025-54381

" bentomlCVE-2025-54381"...

CVE-2026-78205

BentoML's outbound connection safeguard makesafeconnect in internal/utils/uri.py blocks private, loopback, and link-local IP addresses but fails to reject the RFC 6598 shared address space 100.64.0.0/10, CGNAT. In versions 1.4.19 through 1.4.39, an unauthenticated attacker can supply URLs pointin...

EUVD-2026-64680

BentoML's outbound connection safeguard makesafeconnect in internal/utils/uri.py blocks private, loopback, and link-local IP addresses but fails to reject the RFC 6598 shared address space 100.64.0.0/10, CGNAT. In versions 1.4.19 through 1.4.39, an unauthenticated attacker can supply URLs pointin...

CVE-2026-78205

BentoML versions 1.4.19 through 1.4.39 are affected by a Server-Side Request Forgery (SSRF) vulnerability. The outbound connection safeguard (make_safe_connect in _internal/utils/uri.py) blocks private, loopback, and link-local IP ranges but fails to reject the RFC 6598 shared address space (100....

CVE-2026-78205 BentoML 1.4.19 through 1.4.39 Server-Side Request Forgery via Unfiltered RFC 6598 Shared Address Space

BentoML's outbound connection safeguard makesafeconnect in internal/utils/uri.py blocks private, loopback, and link-local IP addresses but fails to reject the RFC 6598 shared address space 100.64.0.0/10, CGNAT. In versions 1.4.19 through 1.4.39, an unauthenticated attacker can supply URLs pointin...

CVE-2026-78205 BentoML 1.4.19 through 1.4.39 Server-Side Request Forgery via Unfiltered RFC 6598 Shared Address Space

BentoML's outbound connection safeguard makesafeconnect in internal/utils/uri.py blocks private, loopback, and link-local IP addresses but fails to reject the RFC 6598 shared address space 100.64.0.0/10, CGNAT. In versions 1.4.19 through 1.4.39, an unauthenticated attacker can supply URLs pointin...

CVE-2026-78205 BentoML 1.4.19 through 1.4.39 Server-Side Request Forgery via Unfiltered RFC 6598 Shared Address Space

BentoML's outbound connection safeguard makesafeconnect in internal/utils/uri.py blocks private, loopback, and link-local IP addresses but fails to reject the RFC 6598 shared address space 100.64.0.0/10, CGNAT. In versions 1.4.19 through 1.4.39, an unauthenticated attacker can supply URLs pointin...

PT-2026-79798

BentoML's outbound connection safeguard make safe connect in internal/utils/uri.py blocks private, loopback, and link-local IP addresses but fails to reject the RFC 6598 shared address space 100.64.0.0/10, CGNAT. In versions 1.4.19 through 1.4.39, an unauthenticated attacker can supply URLs...

CVE-2026-78205: Server-Side Request Forgery (SSRF)

BentoML's outbound connection safeguard makesafeconnect in internal/utils/uri.py blocks private, loopback, and link-local IP addresses but fails to reject the RFC 6598 shared address space 100.64.0.0/10, CGNAT. In versions 1.4.19 through 1.4.39, an unauthenticated attacker can supply URLs pointin...

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...

BentoML has Information Disclosure in `bentoml build` via symlink traversal in the build context

SummaryBentoML'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...

BentoML Vulnerable to Arbitrary File Write via Symlink Path Traversal in Tar Extraction

Arbitrary File Write via Symlink Path Traversal in Tar Extraction SummaryThe 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...

PT-2026-59076

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...

Exploit for Deserialization of Untrusted Data in Bentoml

No d...

PYSEC-2026-2089

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...

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...