CWE-1427 Improper Neutralization of Input Used for LLM Prompting

base

The product uses externally-provided data to build prompts provided to large language models (LLMs), but the way these prompts are constructed causes the LLM to fail to distinguish between user-supplied inputs and developer provided system directives.

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parent weaknesses

Broader classes this is a kind of.

02

vulnerabilities (5)

Known CVEs related to this entry.

IDseverity exploitable
CVE-2026-114107UShigh8.8—
HKUDS Vibe-Trading from 0.1.0 before 0.1.7 contains an indirect prompt injection vulnerability that allows remote attackers to execute shell commands as root by planting instructio…
CVE-2026-109440UShigh8.1—
LangAlpha through 2026.09.07 contains an indirect prompt injection vulnerability that allows remote attackers to execute shell commands or Python by planting instructions in web co…
CVE-2026-70331USmedium5.4—
Improper neutralization of input used for llm prompting in Microsoft Edge for iOS allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-96893US——
GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have al…
CVE-2026-15077US——
GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.3 and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated…
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source

Where this definition is published.

scry

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