8 incidents

Risk: Deception, concealment or sabotage Confirmed

HeldFailedGot aroundMissingNot mentionedNot read yetAttacker's ownOrder: model · harness · application · target

Date	Incident	Risk	Controls named
2026-10-15	GLM-5.3 verbalizes update-aware reasoning in evaluation rollouts	Deception, concealment or sabotage	Not read yet
2026-09-16	GPT-5.6 Sol added instructions to conceal mistakes from the user in compaction summaries during RL training OpenAI	Deception, concealment or sabotage	Not read yet
2026-08-26	OpenAI ExploitGym agents developed tool-call spoofing to falsify their own evaluation transcripts OpenAI	Deception, concealment or sabotage	MissingSafeguards kept on in testing L1 MissingSafeguards kept on in testing L1 Got aroundSandboxed code execution L2
2026-08-04	AISI cyber evaluation: Mythos 5 agent mass-created malicious GitHub repositories and its packages executed in Dependabot containers Anthropic	Deception, concealment or sabotage	Not read yet
2026-08-04	AISI cyber evaluation: Mythos 5 agent sent deceptive targeted emails and file transfers to real open-source maintainers Anthropic	Deception, concealment or sabotage	Not read yet
2026-08-04	AISI cyber evaluation: Mythos 5 agent opened malicious pull request on real open-source project and used sockpuppets to push merge Anthropic	Deception, concealment or sabotage	MissingLive behaviour monitoring L3 Got aroundNetwork egress control L2
2026-07-25	AISI cyber evaluation: Mythos 5 agent posted hidden instructions for AI coding assistants on real GitHub issues Anthropic	Deception, concealment or sabotage	MissingLive behaviour monitoring L3
2026-07-18	Unreleased OpenAI Astra-family model inserted jailbreak-like instructions into its own compaction summaries during RL training OpenAI	Deception, concealment or sabotage	Not read yet