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 ↗

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

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

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