CVE-2026-106440

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Source

https://cve.org/CVERecord?id=CVE-2026-106440

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-106440.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-106440

Aliases

Published

2026-10-06T18:51:37Z

Modified

2026-10-28T02:31:11Z

Severity

7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator

Summary

Hydra: Optuna custom_search_space can resolve and execute untrusted callables via get_method

Details

Hydra is a framework for elegantly configuring complex applications. From 1.2.0 until 1.3.0 and 1.4.0.dev10, the hydra-optuna-sweeper package accepts a configuration-controlled dotted path in hydra.sweeper.custom_search_space, resolves it with hydra.utils.get_method(), and later invokes the returned callable in the Hydra controller process. Because get_method() is a trusted-input lookup helper and does not apply the execution policy used by instantiate(), an attacker who controls Optuna sweep configuration or command-line overrides can select importable Python code for execution with the application's privileges, including bypassing a trusted execution whitelist on affected Hydra 1.4 development releases. This issue is fixed in versions 1.3.0 and 1.4.0.dev10.

Database specific

{
    "cna_assigner":  "GitHub_M",
    "cwe_ids":  [
        "CWE-470"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/106xxx/CVE-2026-106440.json",
    "unresolved_ranges":  [
        {
            "extracted_events":  [
                {
                    "range":  [
                        {
                            "introduced":  "1.4.0.dev4"
                        },
                        {
                            "fixed":  "1.4.0.dev10"
                        }
                    ],
                    "source":  "AFFECTED_FIELD",
                    "strategy":  "StringRangeExpression"
                }
            ]
        }
    ]
}

References

Affected packages

Git / github.com/hydra-ecosystem/hydra

Affected ranges

Type

GIT

Repo

https://github.com/hydra-ecosystem/hydra

Events

Introduced

66c3b37bffde8a0b00258d032505eef7b5720fd4

Fixed

273ce9c6e1bd54cfb0b594a4a924a4d3c9b5425f

Fixed

0dd18084589a3d3e577d1f1a8a48fb485c94a5e6

Fixed

4720dfca2bde27fa140ec287a05709668fbdf168

Fixed

81715a5a258ae2657369344f4e3523e5fbabb2af

Database specific

Show details

{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "1.2.0"
                },
                {
                    "fixed":  "1.3.0"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StringRangeExpression"
        },
        {
            "range":  [
                {
                    "fixed":  "0dd18084589a3d3e577d1f1a8a48fb485c94a5e6"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        },
        {
            "range":  [
                {
                    "fixed":  "4720dfca2bde27fa140ec287a05709668fbdf168"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        },
        {
            "original_tag":  "v1.3.7",
            "range":  [
                {
                    "fixed":  "81715a5a258ae2657369344f4e3523e5fbabb2af"
                }
            ],
            "source":  "REFERENCES_TAG"
        }
    ]
}

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-106440.json"