CVE Watch13 oct 2026

CVE-2026-109429

Mistral Vibe before 2.25.4 contains a command permission gate bypass vulnerability that allows attackers to execute arbitrary commands by hi

CVSS

8.8

Alto

EPSS

0.6%

p45

KEV

—

Exploit Today

0-100

Publicado: 13 oct 2026 · Última mod.: 13 oct 2026 · CWE-436

EPSS · 30d

0.6%EPSS · 30 días0.6%

2026-10-142026-10-15

Descripción técnica

Mistral Vibe before 2.25.4 contains a command permission gate bypass vulnerability that allows attackers to execute arbitrary commands by hiding a command substitution inside a single-quoted variable value that tree-sitter-bash static parsing cannot detect. Attackers can craft input such as embedding a command substitution within a single-quoted variable and re-expanding it with the ${var@P} prompt-transform operator so bash's promptvars feature executes the hidden command at runtime while only the trailing allowlisted command is classified, resulting in silent arbitrary command execution with the privileges of the agent's terminal session.

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