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CVE-2026-40112

Estado: AnalizadaMedia (6.1)—

PraisonAI is a multi-agent teams system. Prior to 4.5.128, the Flask API endpoint in src/praisonai/api.py renders agent output as HTML without effective sanitization. The _sanitize_html function relies on the nh3 library, which is not listed as a required or optional dependency in pyproject.toml. When nh3 is absent (the default installation), the sanitizer is a no-op that returns HTML unchanged. An attacker who can influence agent input (via RAG data poisoning, web scraping results, or prompt injection) can inject arbitrary JavaScript that executes in the browser of anyone viewing the API output. This vulnerability is fixed in 4.5.128.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Praison — Praisonai

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-40112",
  "cveTags": [],
  "metrics": {
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          "options": [
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              "automatable": "no"
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          ],
          "version": "2.0.3",
          "timestamp": "2026-04-14T14:43:40.691981Z"
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  "published": "2026-04-09T22:16:34.707",
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      "description": [
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          "value": "CWE-79"
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    }
  ],
  "lastModified": "2026-06-17T10:44:44.583",
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