The LMVD-ID is an internal research identifier, not an official CVE identifier.
GPT-4v System Prompt Leakage
A system prompt leakage vulnerability in GPT-4V allows extraction of internal system prompts through carefully crafted, incomplete conversations combined with image input. Extracted prompts can be used as highly…
Paper-evaluated models(3)
- GPT-4
- GPT-4V
- LLaVA 1.5
Description
A system prompt leakage vulnerability in GPT-4V allows extraction of internal system prompts through carefully crafted, incomplete conversations combined with image input. Extracted prompts can be used as highly effective jailbreak prompts, bypassing safety restrictions and leading to undesirable outputs, including revealing personally identifiable information from images.
Examples
See the paper for details on the "meta-theft prompt" used to extract the system prompt and subsequent jailbreak prompts derived from it. The paper includes specific examples of both (Section 3.1 and 3.3).
Impact
Successful exploitation allows attackers to bypass safety mechanisms in GPT-4V, enabling the model to generate unsafe or harmful outputs, including the identification of individuals in images against the model's intended safety constraints. This compromises user privacy and the integrity of the system.
Affected Systems
GPT-4V (and potentially other models using similar system prompt mechanisms).
Mitigation Steps
- Implement robust prompt validation and filtering mechanisms to prevent the injection of adversarial prompts designed to extract system prompts.
- Regularly audit and update system prompts to minimize vulnerabilities.
- Employ techniques to minimize the information disclosed in system prompts, ensuring they are functionally necessary without revealing sensitive details.
- Explore methods to detect and prevent attempted extractions of system prompts.
- Develop mechanisms for detecting and mitigating the effects of jailbreak attacks, such as prompt analysis and output filtering.
Research context and confidence
- Evidence and verification
- Paper-reported; independent reproduction is not documented.
- Primary research source linked.
- Severity
- Not rated by this catalog.
- Source and publication type
- arXiv · Research preprint.
- Peer-review status is not provided by this source.
- Author and publication status
- Author metadata is not stored; see the primary paper.
- Threat model and attacker access
- Black-box model, service, or application access.
- Related deployment categories
- Model APIs
- Taxonomy labels only; paper-specific deployment prerequisites are not inferred.
- Affected systems
- GPT-4V (and potentially other models using similar system prompt mechanisms).
Research Paper
Jailbreaking gpt-4v via self-adversarial attacks with system prompts
Primary source: arXiv. Findings are reported by the cited research and have not been independently verified.
View PaperEvidence
This entry is based on a primary research source. Its findings are paper-reported; independent reproduction and verification are not claimed.
https://arxiv.org/abs/2311.09127Related research
- Autonomous Agent Prompt Reveal
Published January 1, 2026 · prompt-layer, application-layer, extraction
- Leaked Bits Collapse Attack Queries
Published October 1, 2025 · model-layer, prompt-layer, jailbreak
- Agent Lifecycle Compound Threats
Published March 1, 2026 · application-layer, infrastructure-layer, prompt-layer