---
title: "CVE-2026-106440: Hydra - Remote Code Execution"
description: "Hydra 1.2.0 to 1.3.0 and 1.4.0.dev10 with hydra-optuna-sweeper contains a remote code execution caused by unsafe use of hydra.utils.get_method() on configuration-controlled input, letting attackers execute arbitrary Python code with application privileges, exploit requires control over Optuna sweep configuration or command-line overrides."
url: https://panop.io/threat-heartbeat/CVE-2026-106440/
---

# CVE-2026-106440 Hydra - Remote Code Execution

Hydra 1.2.0 to 1.3.0 and 1.4.0.dev10 with hydra-optuna-sweeper contains a remote code execution caused by unsafe use of hydra.utils.get\_method() on configuration-controlled input, letting attackers execute arbitrary Python code with application privileges, exploit requires control over Optuna sweep configuration or command-line overrides.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.27% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-106440)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution

CVSS vector

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

Published

6 October 2026

Updated

15 October 2026

Weakness

[CWE-470](https://cwe.mitre.org/data/definitions/470.html)

## Vendor fix

Upgrade to versions 1.3.0 or 1.4.0.dev10 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-2026-106440](https://nvd.nist.gov/vuln/detail/CVE-2026-106440)
- [https://github.com/hydra-ecosystem/hydra/commit/0dd18084589a3d3e577d1f1a8a48fb485c94a5e6](https://github.com/hydra-ecosystem/hydra/commit/0dd18084589a3d3e577d1f1a8a48fb485c94a5e6)
- [https://github.com/hydra-ecosystem/hydra/commit/4720dfca2bde27fa140ec287a05709668fbdf168](https://github.com/hydra-ecosystem/hydra/commit/4720dfca2bde27fa140ec287a05709668fbdf168)
- [https://github.com/hydra-ecosystem/hydra/releases/tag/v1.3.7](https://github.com/hydra-ecosystem/hydra/releases/tag/v1.3.7)
- [https://github.com/hydra-ecosystem/hydra/security/advisories/GHSA-5jjj-9xc3-rm56](https://github.com/hydra-ecosystem/hydra/security/advisories/GHSA-5jjj-9xc3-rm56)

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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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