First reported cisa.gov
Lead dispatch
First reported secmate.dev
Mistral Vibe Permission Bypass and Arbitrary Code Execution
SecMate disclosed two flaws in Mistral Vibe 2.25.0 (CVE-2026-87987 and CVE-2026-87984) where the coding agent's Bash tool used Tree-sitter to extract a reduced representation of a shell command for its permission allowlist, then executed the original untouched string. Hostile repository content could lead the model to emit a crafted tool call (e.g. an environment assignment prefixing an allowlisted command) that the permission parser classified as read-only, bypassing the approval prompt and enabling arbitrary code execution and reads/writes outside the authorized workspace. Mistral released Vibe 2.25.4 on September 12, 2026.permission-bypass · arbitrary-code-execution · command-injection · indirect-prompt-injection · data-exfiltration · tool-abuse
ai-agents · coding-agent · llm
Severity
0.75
The wire · latest
First reported cisa.gov
Defending Against an Active Threat to Siemens S7 Series PLCs
Five US federal agencies (NSA, CISA, FBI, DOE, EPA) issued advisory AA26-231A warning of an active threat in which attackers use AI coding assistants together with open source industrial libraries (snap7.dll/python-snap7) to generate custom exploitation scripts disguised as legitimate OT monitoring tools against internet-exposed Siemens S7 Series PLCs at water, energy, manufacturing, and other critical facilities. The AI-generated tools provide read/write access to PLC memory, configuration, and ladder logic via the S7comm protocol, and the activity is suspected to be linked to Iran-affiliated operatives. Details →How the wire is made
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