{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-61732", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-10T18:59:00.046Z", "datePublished": "2026-09-24T17:40:51.248Z", "dateUpdated": "2026-09-24T17:40:51.248Z"}, "containers": {"cna": {"title": "Decepticon: Role-boundary forgery via ChatML special-token literals in web crawl output composed into LLM context", "problemTypes": [{"descriptions": [{"cweId": "CWE-74", "lang": "en", "description": "CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/BitterSecurity/Decepticon/security/advisories/GHSA-g5f9-3xfg-p9mf", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/BitterSecurity/Decepticon/security/advisories/GHSA-g5f9-3xfg-p9mf"}, {"name": "https://github.com/BitterSecurity/Decepticon/commit/79ee2aaf22f4c36a5b1968f6ca3f8086b6e35b67", "tags": ["x_refsource_MISC"], "url": "https://github.com/BitterSecurity/Decepticon/commit/79ee2aaf22f4c36a5b1968f6ca3f8086b6e35b67"}], "affected": [{"vendor": "BitterSecurity", "product": "Decepticon", "versions": [{"version": "< 1.1.17", "status": "affected"}]}, {"vendor": "BitterSecurity", "product": "decepticon-core", "versions": [{"version": "< 1.1.17", "status": "affected"}]}, {"vendor": "BitterSecurity", "product": "decepticon-sdk", "versions": [{"version": "< 1.1.17", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-24T17:40:51.248Z"}, "descriptions": [{"lang": "en", "value": "Decepticon is an autonomous hacking agent for red teams. Versions prior to 1.1.17 wrap web crawl results \u2014 the output of agent reconnaissance against target services \u2014 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."}], "source": {"advisory": "GHSA-g5f9-3xfg-p9mf", "discovery": "UNKNOWN"}}}}

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