Skip to content
Submit incident
AII-1002-80627
ReportedReported by fewer than three independent publishers, with no official finding.

Multiple model guardrail jailbreak via essay title tactic

A jailbreak vulnerability was discovered affecting multiple language models including Cohere Command R, DeepSeek V3, Meta LLaMa 3.3, and Mistral 8B and Large. The vulnerability allows attackers to bypass safety guardrails by framing requests as essay completion after providing an essay title.

19 February 2026 · Cohere · Security and cyberattacks
19 February 2026

Drafted by Raidu Incident Detection, an automated system.

AII-1002-80627View source ↗
Quick facts
Category
Security and cyberattacks
Source
0din.ai
Date
19 February 2026
Drafted by
Raidu Incident Detection

What happened

A guardrail jailbreak vulnerability was discovered affecting multiple models. The flaw manifests when an attacker leads with an essay title and then requests the model complete the essay, allowing the attacker to bypass inference restrictions around providing information hazards and violating laws.

Classification

Category
Security and cyberattacks
Harm status
Potential harm
Intent
Unknown
Timing
Post-deployment
Harm types
Public interest
Harmed
General public
Failure modes
Jailbreak, Manipulation or dark pattern, Content moderation failure
Consequences
None recorded
AI systems
Cohere Command R, DeepSeek V3, Meta LLaMa 3.3, Mistral 8B, Mistral Large

Sources and evidence

This record was researched and written by the Index, based on the following original reporting.

0din.ai
0din.ai Disclosure