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HIGH severity

CVE-2023-5245 — mleap-runtime_2.12

HIGHFix: combust/mleap#866

CVE-2023-5245 is a high-severity (CVSS 7.5) Path Traversal vulnerability in ml.combust.mleap:mleap-runtime_2.12. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. A fix is available for ml.combust.mleap:mleap-runtime_2.12 — see the affected versions and patch details below.

Using MLeap for loading a saved model (zip archive) can lead to path traversal/arbitrary file creation and possibly remote code execution.

Also known asGHSA-897x-xvj8-42rq
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
1 known
Exploitation data as of Oct 31, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.2%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs68th percentile — riskier than 68% of all scored CVEsHighest risk
0.00%0.56%1.12%1.69%0.4%1.2%May 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
☕ml.combust.mleap:mleap-runtime_2.12

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

FileUtil.extract() enumerates all zip file entries and extracts each file without validating whether file paths in the archive are outside the intended directory.

When creating an instance of TensorflowModel using the saved_model format and an exported tensorflow model, the apply() function invokes the vulnerable implementation of FileUtil.extract().

Arbitrary file creation can directly lead to code execution

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenml.combust.mleap:mleap-runtime_2.12all versions0.23.1ml.combust.mleap:mleap-runtime_2.12:0.23.1

Affected Products

1 product · 2 configurations
Application
mleapcombust
2 versions
0.18.00.23.0
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

FileUtil.extract() enumerates all zip file entries and extracts each fil…

research.jfrog.comNVDNov 2023

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for ml.combust.mleap:mleap-runtime_2.12, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update ml.combust.mleap:mleap-runtime_2.12 to 0.23.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2023-5245 is resolved across your whole dependency graph.

  3. Workarounds

    Resolve every user-supplied path to its canonical form and reject anything that escapes the intended directory, and run the component under an account that has no read or write access outside the directory it legitimately serves.

Frequently Asked Questions

FileUtil.extract() enumerates all zip file entries and extracts each file without validating whether file paths in the archive are outside the intended directory. When creating an instance of TensorflowModel using the saved_model format and an exported tensorflow model, the apply() function invokes the vulnerable implementation of FileUtil.extract(). Arbitrary file creation can directly lead to code execution
O3 Security · Impact-Aware SCA

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CVE-2023-5245: mleap-runtime_2.12 — Fixed in 0.23.1