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.

INFO

Published Date :

2026-03-12T13:02:24.795Z

Last Modified :

2026-03-12T14:04:53.073Z

Source :

CERT-PL
AFFECTED PRODUCTS

The following products are affected by CVE-2026-0809 vulnerability.

No data.

REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-0809.

URL Resource
https://cert.pl/posts/2026/03/CVE-2026-0809 cve-icon cve-icon
https://www.streamsoft.pl/streamsoft-prestiz/ cve-icon cve-icon
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