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P4
CVE-2026-47391: PraisonAI < 4.6.40
CVE-2026-47391. CVSS 3.1 base score 9.8 (CRITICAL, Vendor/CNA). EPSS 0.01165 (percentile 0.67083), scored 24-Oct-2026.
Affected technology
PraisonAI · < 4.6.40
MervinPraison
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
A remote unauthenticated attacker can send `message/send` to `/a2a`; the request reaches `agent.chat()`, and a real LLM can invoke the registered `calculate` tool. Vendor/CNA’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high.
- CWE
- CWE-95, CWE-306
- CCR priority
- 39.5 /100 (P4)
- CVSS 3.1
- 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Vendor/CNA
- EPSS
- 0.01165 · percentile 0.67083 · 2026-10-24
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-25 01:28:19.133527+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-47391.html