CVE-2026-0809
Our Analysis: esv
Our model has classified this vulnerability as relevant to esv Systems, helping your team prioritize efforts effectively.
Published Date
March 12, 2026
Last Modified
March 12, 2026
CVSS Vector
Not Available
Description
Use of a custom token encoding algorithm in Streamsoft Prestiż software allows the value of the KSeF (Krajowy System e-Faktur) token to be guessed after analyzing how tokens with know values are encoded.
This issue was fixed in version 20.0.380.92.