CVE-2026-107293Medium· 5.3▾ SunlitPydantic AI is a Python agent framework for building applications and workflows with Generative AI. From 0.3.4 until 1.107.4 and 2.27.1, OpenTelemetry instrumentation configured with InstrumentationSettings(include_content=False) can exp…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 29.2 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Oct 10.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.3%
Last analysed / modified upstream
2.3 → 5.3
low → medium
Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. From 0.3.4 until 1.107.4 and 2.27.1, OpenTelemetry instrumentation configured with InstrumentationSettings(include_content=False) can export retry prompts outside tool calls in gen_ai.input.messages and pydantic_ai.all_messages. Agents using NativeOutput, PromptedOutput, or output validators on text output can therefore disclose validation feedback, including invalid model values quoted by that feedback, to readers of the telemetry backend. Tool-call retries and deployments that do not use include_content=False are not affected by this specific path. This issue is fixed in versions 1.107.4 and 2.27.1.
pydantic_ai >= 0.3.4, < 1.107.4pydantic_ai >= 2.0.0, < 2.27.1Upgrade past the affected range:
pydantic_ai 2.27.1Affected packages:
pydantic-ai >= 0.3.4, < 1.107.4pydantic-ai >= 2.0.0b1, < 2.27.1pydantic-ai-slim >= 0.3.4, < 1.107.4pydantic-ai-slim >= 2.0.0b1, < 2.27.1Patched in:
pydantic-ai 1.107.4pydantic-ai 2.27.1pydantic-ai-slim 1.107.4pydantic-ai-slim 2.27.1Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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