{"cve":"CVE-2026-68508","nvd":{"published":"2026-08-21T21:17:02.963","modified":"2026-10-12T16:10:00.220","status":"Deferred","description":"Hydra is a framework for elegantly configuring complex applications. Prior to 1.3.4, hydra.utils.instantiate() resolves and calls Python objects selected by configuration through _resolve_target() in hydra/_internal/instantiate/_instantiate2.py, allowing attacker-controlled target values and arguments to choose dangerous callables. A consuming application, library, CLI workflow, or model loader that passes untrusted configuration, CLI overrides, or model metadata into hydra.utils.instantiate() can therefore execute arbitrary code in its own process, including reading or modifying files and credentials or terminating the process. Version 1.3.4 adds target blocking with an explicit HYDRA_INSTANTIATE_ALLOWLIST_OVERRIDE escape hatch. This issue is fixed in version 1.3.4.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-94","CWE-470"],"references":["https://github.com/hydra-ecosystem/hydra/commit/7faad0dcedfb4c0a364aa1067c0080fd6fdf8dca","https://github.com/hydra-ecosystem/hydra/issues/3259","https://github.com/hydra-ecosystem/hydra/pull/3261","https://github.com/hydra-ecosystem/hydra/releases/tag/v1.3.4","https://github.com/hydra-ecosystem/hydra/security/advisories/GHSA-2cp2-2r3c-7p7r"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:49:38.260478770+00:00"},"epss":{"cve":"CVE-2026-68508","score":0.00456,"percentile":0.39295,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-2cp2-2r3c-7p7r","url":"https://osv.dev/vulnerability/GHSA-2cp2-2r3c-7p7r","summary":"Hydra: hydra.utils.instantiate with untrusted config can lead to code execution","modified":"2026-09-10T12:25:59.118521669Z","packages":[{"ecosystem":"PyPI","name":"hydra-core","purl":"pkg:pypi/hydra-core","ranges":["<1.3.4"],"fixed":["1.3.4"]}]},{"id":"PYSEC-2026-3850","url":"https://osv.dev/vulnerability/PYSEC-2026-3850","summary":"Hydra: hydra.utils.instantiate with untrusted config can lead to code execution","modified":"2026-09-10T12:15:05.604207676Z","packages":[{"ecosystem":"PyPI","name":"hydra-core","purl":"pkg:pypi/hydra-core","ranges":["<1.3.4"],"fixed":["1.3.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}