---
title: "CVE-2024-9070: BentoML deserialization vulnerability"
url: https://erroneo.us/security/cve/CVE-2024-9070/
description: "CVE-2024-9070 (bentoml (PyPI)): A deserialization vulnerability exists in BentoML's runner server in bentoml/bentoml versions"
type: vulnerability-record
section: "Security Digest"
date_published: 2025-03-20
date_modified: 2025-10-15
publisher: erroneo.us
author: erroneo.us Security Desk
cve: "CVE-2024-9070"
kev: false
cvss: 9.8
epss: 0.00931
license: All rights reserved. Quote with attribution and a link.
---

# CVE-2024-9070: BentoML deserialization vulnerability

**Signal:** Critical and remotely reachable. No known exploitation yet, but it is network-reachable without credentials. (Computed from CISA KEV, EPSS and CVSS; not an editorial verdict.)

## Should you act?

- Not in CISA KEV , but CISA’s SSVC assessment records a public proof-of-concept, so attack code exists.
- EPSS 0.9% , percentile 60: FIRST’s model estimates a 0.9% chance of exploitation activity in the next 30 days, higher than 60% of all scored CVEs (moderate). EPSS is a probability, not a verdict.
- Remotely reachable with no login and no user interaction. If the vulnerable service is exposed to the internet, prioritize it.
- Only applies if your dependency tree includes bentoml (PyPI) <= 1.4.5, no fixed version listed . Check your lockfile, including transitive dependencies.

## What it is

A deserialization vulnerability exists in BentoML's runner server in bentoml/bentoml versions

## Affected packages

- PyPI `bentoml` <= 1.4.5 → fixed: none listed

## Affected products (CVE record)

- bentoml bentoml/bentoml: unspecified <= latest

## Severity

- @huntr_ai CVSS 3.0: 9.8 `CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`
- GitHub CVSS 3.1: 9.8 `CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`

## Exploitation

- CISA KEV: not listed (no confirmed in-the-wild exploitation known to CISA).
- CISA SSVC assessment: exploitation poc , automatable yes , technical impact total .
- FIRST EPSS (model of 2026-10-21): 0.93% probability of exploitation activity in the next 30 days; percentile 60.

## Sources

- [GitHub Advisory GHSA-9g44-gwvm-hc44](https://github.com/advisories/GHSA-9g44-gwvm-hc44)
- [CVE.org record CVE-2024-9070](https://www.cve.org/CVERecord?id=CVE-2024-9070)
- [NVD entry CVE-2024-9070](https://nvd.nist.gov/vuln/detail/CVE-2024-9070)
- [huntr.com](https://huntr.com/bounties/7be6fc22-be18-44ee-a001-ac7158d5e1a5)
- [github.com](https://github.com/bentoml/BentoML/blob/a6f5f937be6ec278f3d4f3bbc6f3c8f9564820d7/src/bentoml/_internal/server/runner_app.py#L297)
- [github.com](https://github.com/bentoml/BentoML/blob/v1.4.5/src/bentoml/_internal/server/runner_app.py#L301)

---
Source page: https://erroneo.us/security/cve/CVE-2024-9070/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt