{"data":{"id":"64332ca5-54e9-4cbd-8216-7f3ea1b2a8ce","title":"Escalate or Close: How Fast-Tier Models Handle Held-Out Web Attack Families in Two-Tier Triage","summary":"Two-tier web triage, where a fast model closes most requests and escalates the rest, is tested on seven held-out attack families. Supervised detectors such as ModernBERT give many held-out path traversal requests a confident benign verdict, escalating only 50% to 81% of them within a 5% benign budget. Two hosted zero-shot decision models, Jev and Clef, escalate at least 97.6% of every family within the same budget, though their undisclosed training data may include these public families.","solution":"N/A -- no mitigation discussed in source.","labels":["security","research"],"sourceUrl":"https://arxiv.org/abs/2611.08229v1","publishedAt":"2026-11-05T16:13:19.000Z","cveId":null,"cweIds":null,"cvssScore":null,"cvssSeverity":null,"severity":"info","attackType":["model_evasion","jailbreak"],"issueType":"research","affectedPackages":null,"affectedPackageNames":null,"affectedPackageRefs":null,"affectedVendors":[],"affectedVendorsRaw":["ModernBERT","Jev","Clef","OWASP Core Rule Set"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":null,"headlinePromptVersion":null,"cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":null,"epssScore":null,"epssCheckedAt":null,"kevDateAdded":null,"advisoryAliases":null,"affectedPackagesSource":null,"affectedPackagesCheckedAt":null,"patchAvailable":null,"disclosureDate":"2026-11-05T16:13:19.000Z","fixReleasedAt":null,"daysToFix":null,"fixCheckedAt":null,"capecIds":null,"crossRefCount":0,"attackSophistication":"advanced","impactType":["integrity","availability"],"aiComponentTargeted":"model","llmSpecific":false,"classifierConfidence":0.85,"researchCategory":"preprint","atlasIds":["AML.T0054"]}}