{"data":{"id":"KAR-2026-0011","url":"https://karatum.com/incidents/KAR-2026-0011","title":"DRILL: Certificate of scripted-reference-frontier-v1 (web3) revoked after a won challenge","summary":"DRILL (rehearsal of the mechanism, labelled as such everywhere). Challenge #2 on ChallengeManager (Ethereum Sepolia) disputed the web3 certificate of scripted-reference-frontier-v1 (23 karats, certified lower bound 0.94577). A fresh re-trial from a hidden seed refuted it: DRILL: challenge #2 won: re-trial 13/24: even the upper 95% bound 72.1% is below the certified lower bound 94.6%. Evidence bundle and every re-trial trace: https://karatum.com/challenges/2.","class":"cert_revoked","classLabel":"Certificate revoked","severity":"medium","severityScore":4.3,"severityVector":"KAS:1.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:X","status":"fixed","source":"detector","detector":"challenge.won","drill":true,"withheld":false,"subject":{"buildId":"scripted-reference-frontier-v1"},"affectedVersions":"scripted-reference-frontier-v1","evidence":[{"ref":"cert:scripted-reference-frontier-v1:web3","note":"DRILL: challenge #2 won: re-trial 13/24: even the upper 95% bound 72.1% is below the certified lower bound 94.6%","type":"certificate","verified":true},{"ref":"https://karatum.com/challenges/2","note":"challenge page with the evidence bundle","type":"url","verified":true},{"ref":"0xae3ec2114d7a1fb83a078c4300f47031b8e7d37d12ee131570398f89a67704d3","note":"ChallengeManager.resolve (challenger wins)","type":"tx","chainId":11155111,"verified":true}],"evidenceCount":3,"evidenceVerified":true,"disclosure":{"policy":"immediate","visibility":"public","embargoUntil":null,"operatorNotifiedAt":null},"reportedAt":"2026-10-16T13:52:13.979Z","triagedAt":"2026-10-16T13:52:13.979Z","confirmedAt":"2026-10-16T13:52:14.016Z","recalledAt":null,"closedAt":"2026-10-16T13:58:46.421Z","updatedAt":"2026-10-16T13:58:46.421Z","feedSeq":65,"timeline":[{"at":"2026-10-16T13:52:13.979Z","kind":"reported","actor":"challenges","data":{"source":"detector","status":"triaged","detector":"challenge.won"}},{"at":"2026-10-16T13:52:14.016Z","kind":"status","actor":"challenges","data":{"to":"confirmed","from":"triaged","note":"challenge #2 won on-chain (0xae3ec2114d7a1fb83a078c4300f47031b8e7d37d12ee131570398f89a67704d3)"}},{"at":"2026-10-16T13:58:46.421Z","kind":"status","actor":"maintainer","data":{"to":"fixed","from":"confirmed","note":"End of drill: challenge #2 revocation lifted; the agent did not change, the degradation was a deliberate fork scenario."}}],"recall":null}}