T1221 - Template Injection - MITRE ATT&CK

Threat entity extracted from intelligence sources

Frequency
3
occurrences
First Seen
November 17, 2025
Last Seen
July 21, 2026

T1221 - Template Injection is a mitre_attack tracked across 4 threat clusters and 3 intelligence report mentions on ThreatCluster. First observed November 17, 2025; most recent activity July 21, 2026.

Related Threat Clusters

Recent Intelligence Reports

  • Hugging Face Agentic Attacker Ai Breach 2026 — www.waxell.ai · July 21, 2026
  • VU#915947: SGLang is vulnerable to remote code execution when rendering chat templates from a model file — Kb.Cert · April 20, 2026
  • VulnCheck Launches Canary Intelligence to Provide Verified Evidence of Active Exploitation — Morningstar · November 17, 2025

CVSS v3.1 Breakdown