--- title: "CVE-2026-106439: Hydra - Remote Code Execution" description: "Hydra 1.3.4 to 1.3.7 and 1.4.0.dev10 contain a code execution vulnerability caused by mutable module-level state allowing attackers controlling multiple sibling target entries to remove denied targets and invoke them, letting attackers execute code with application privileges, exploit requires control over multiple sibling target entries." url: https://panop.io/threat-heartbeat/CVE-2026-106439/ --- # CVE-2026-106439 Hydra - Remote Code Execution Hydra 1.3.4 to 1.3.7 and 1.4.0.dev10 contain a code execution vulnerability caused by mutable module-level state allowing attackers controlling multiple sibling target entries to remove denied targets and invoke them, letting attackers execute code with application privileges, exploit requires control over multiple sibling target entries. CVSS base score 8.5 /10 High CISA KEV Not listed Public exploit None known EPSS 0.46% chance of exploitation in 30 days [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-106439) ## Details Type Remote Code Execution Impact Remote Code Execution CVSS vector CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Published 6 October 2026 Updated 15 October 2026 Weakness [CWE-470](https://cwe.mitre.org/data/definitions/470.html) ## Vendor fix Upgrade to versions 1.3.7 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-2026-106439](https://nvd.nist.gov/vuln/detail/CVE-2026-106439) - [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-mwj6-rfh8-7qf4](https://github.com/hydra-ecosystem/hydra/security/advisories/GHSA-mwj6-rfh8-7qf4) [← All CVEs](https://panop.io/threat-heartbeat/) ## 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 Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)