---
title: "CVE-2026-107377: datamodel-code-generator - Path Traversal"
description: "datamodel-code-generator 0.59.0 to 0.81.0 contains a path traversal caused by attacker-controlled Protobuf schema paths processed by _write_missing_weak_imports, letting attackers create or overwrite files, exploit requires processing Protobuf schema with grpcio-tools."
url: https://panop.io/threat-heartbeat/CVE-2026-107377/
---

# CVE-2026-107377 datamodel-code-generator - Path Traversal

datamodel-code-generator 0.59.0 to 0.81.0 contains a path traversal caused by attacker-controlled Protobuf schema paths processed by \_write\_missing\_weak\_imports, letting attackers create or overwrite files, exploit requires processing Protobuf schema with grpcio-tools.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.45% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-107377)

## Details

Type

Path Traversal

Impact

File System Write, Data Tampering

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Published

8 October 2026

Updated

15 October 2026

Weakness

[CWE-22](https://cwe.mitre.org/data/definitions/22.html)

## Vendor fix

Update to version 0.81.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-107377](https://nvd.nist.gov/vuln/detail/CVE-2026-107377)
- [https://github.com/datamodel-code-generator/datamodel-code-generator/commit/5e94b8f4203198798ec66b8e48217f70af69a0dc](https://github.com/datamodel-code-generator/datamodel-code-generator/commit/5e94b8f4203198798ec66b8e48217f70af69a0dc)
- [https://github.com/datamodel-code-generator/datamodel-code-generator/releases/tag/0.81.0](https://github.com/datamodel-code-generator/datamodel-code-generator/releases/tag/0.81.0)
- [https://github.com/datamodel-code-generator/datamodel-code-generator/security/advisories/GHSA-77xj-x4rm-935c](https://github.com/datamodel-code-generator/datamodel-code-generator/security/advisories/GHSA-77xj-x4rm-935c)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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