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Tue, 06 Oct 2026 20:30:00 +0000
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Tue, 06 Oct 2026 19:00:00 +0000
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| Description | Hydra is a framework for elegantly configuring complex applications. From 1.3.4 until 1.3.7 and 1.4.0.dev10, Hydra stores legacy instantiate target blocklists and related execution-policy collections in mutable module-level state. An attacker who controls multiple sibling target entries can resolve hydra._internal.target_policy.UNCONTROLLED_EXECUTION_TARGETS.discard through instantiate(), remove a denied target, and then invoke that target because sibling nodes are processed in insertion order against the same modified policy. The mutation persists in process-global state and can enable code execution with the application's privileges, while a narrow execution whitelist supplied by trusted Python code is not bypassed by the reported direct mutation path. This issue is fixed in versions 1.3.7 and 1.4.0.dev10. | |
| Title | Hydra: Mutable instantiate policy sets allow target blocklist bypass | |
| Weaknesses | CWE-470 CWE-693 |
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cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-10-06T19:48:45.736Z
Reserved: 2026-10-06T16:49:40.590Z
Link: CVE-2026-106439
Updated: 2026-10-06T19:48:41.815Z
Status : Awaiting Analysis
Published: 2026-10-06T19:18:12.720
Modified: 2026-10-06T20:17:25.917
Link: CVE-2026-106439
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