CWE-1427— Improper Neutralization of Input Used for LLM Prompting
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.— MITRE CWE catalog
13 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-1427page 1 of 1
- CVE-2026-75130CRITICALCVSS 9.0EG 9.02026-08-18
Context7 through 2.1.2 contains a prompt injection vulnerability that allows attackers to execute malicious instructions in connected AI coding agents by injecting unsanitized content through the Custom AI Instructions feature served via t…
- CVE-2026-114107HIGHCVSS 8.8EG 8.82026-10-21
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 instructions in documents or web pages the agent processes. BashTool …
- CVE-2026-109440HIGHCVSS 8.8EG 8.82026-10-20
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 content retrieved by the agent. Because Bash and ExecuteCode …
- CVE-2026-77931HIGHCVSS 8.8EG 8.82026-10-15
MoviePilot through 3.1.5 contains a command injection vulnerability that allows attackers to execute arbitrary OS commands by embedding malicious instructions in untrusted content processed through tools like browse_webpage, search_web, an…
- CVE-2026-18733HIGHCVSS 8.8EG 8.82026-08-03
A prompt injection vulnerability in the shell tool in Amazon Strands Agents Tools before 0.8.0 might allow remote actors to execute arbitrary operating system commands on the agent's host via a crafted prompt that sets the non_interactive …
- CVE-2026-46580HIGHCVSS 8.8EG 8.82026-06-18
In Eclipse Theia versions prior to 1.71.0, files matching the pattern .prompts/*.prompttemplate in a workspace were automatically loaded and could override or extend the AI agent's system prompts. An attacker could craft a malicious reposi…
- CVE-2026-44688HIGHCVSS 8.8EG 8.82026-06-18
In Eclipse Theia versions prior to 1.71.0, the AI chat agent processed workspace file and directory names as part of its prompt context without distinguishing them from system instructions. An attacker could craft a malicious repository wi…
- CVE-2026-78379HIGHCVSS 8.1EG 8.12026-08-25
Improper neutralization of input used for LLM prompting in the python_repl tool in Amazon Strands Agents Tools before 0.8.5 might allow remote actors to execute arbitrary Python code on the agent's host by bypassing the human consent gate,…
- CVE-2026-96893HIGHCVSS 7.3EG 7.32026-10-13
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 allowed an authenticated user to inject specially crafted con…
- CVE-2026-115415MEDIUMCVSS 6.5EG 6.52026-10-28
Improper neutralization of input used for LLM prompting in the environment tool in Strands Agents Tools before 0.8.6 might allow remote actors to obtain the agent host's environment variables in cleartext, including cloud credentials and A…
- CVE-2026-70331MEDIUMCVSS 5.4EG 5.42026-08-28
Improper neutralization of input used for llm prompting in Microsoft Edge for iOS allows an unauthorized attacker to perform spoofing over a network.
- CVE-2026-21832MEDIUMCVSS 4.3EG 4.32026-08-13
HCL AION is affected by a vulnerability where indirect prompt injection can lead to HTML injection in rendered output. Injected markup may be displayed to users, potentially resulting in unintended behavior or security impact under certain…
- CVE-2026-15077MEDIUMCVSS 4.3EG 4.32026-07-29
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 user to access information from unauthorized projects due t…
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