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CVE-2026-61732

CVE-2026-61732 · Decepticon: Role-boundary forgery via ChatML special-token literals in web crawl output composed into LLM context

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Decepticon is an autonomous hacking agent for red teams. Versions prior to 1.1.17 wrap web crawl results — the output of agent reconnaissance against target services — into LLM messages without neutralizing ChatML special-token literals. Under the BYOK (Bring Your Own Key) deployment model, users configure their own LLM credentials to any OpenAI-compatible endpoint. Most open-source and self-deployed model providers (vLLM, SGLang, Ollama, LM Studio, text-generation-webui, etc.) do not filter special-token literals from user content in their default configurations. Those literals are parsed into structural role-boundary token IDs, meaning an attacker string planted in a target web page forges a new operator turn the model treats as authoritative, bypassing Decepticon's agent guardrails and resulting in arbitrary command execution inside the Kali Linux sandbox. Version 1.1.17 patches the issue.

CVSS 10.0 · Critical · EPSS 1.5% · Public exploit · Fix available

Published
Updated

Stack: python

Affected products and versions

  • decepticon

    Versions
    • < 1.1.17: Affected

    No fix published

  • decepticon-core

    Versions
    • < 1.1.17: Affected

    No fix published

  • decepticon-sdk

    Versions
    • < 1.1.17: Affected

    No fix published

  • decepticon-core PyPI

    Versions
    • 1.1.10
    • 1.1.11
    • 1.1.12
    • 1.1.13
    • 1.1.14
    • 1.1.15
    • 1.1.16
    • 1.1.2
    • 1.1.3
    • 1.1.4
    • 1.1.5
    • 1.1.6
    • 1.1.7
    • 1.1.8
    • 1.1.9
    Affected ranges
    • ECOSYSTEM: < 1.1.17

    Update to 1.1.17

  • decepticon PyPI

    Versions
    • 1.1.0
    • 1.1.1
    • 1.1.10
    • 1.1.11
    • 1.1.12
    • 1.1.13
    • 1.1.14
    • 1.1.15
    • 1.1.16
    • 1.1.2
    • 1.1.3
    • 1.1.4
    • 1.1.5
    • 1.1.6
    • 1.1.7
    • 1.1.8
    • 1.1.9
    Affected ranges
    • ECOSYSTEM: < 1.1.17

    Update to 1.1.17

  • decepticon-sdk PyPI

    Versions
    • 1.1.10
    • 1.1.11
    • 1.1.12
    • 1.1.13
    • 1.1.14
    • 1.1.15
    • 1.1.16
    • 1.1.2
    • 1.1.3
    • 1.1.4
    • 1.1.5
    • 1.1.6
    • 1.1.7
    • 1.1.8
    • 1.1.9
    Affected ranges
    • ECOSYSTEM: < 1.1.17

    Update to 1.1.17

Original sources

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