CVE-2026-0809

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.

CVSS

No CVSS.

References

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

Configurations

No configuration.

History

No history.

Information

Published : 2026-03-12 13:16

Updated : 2026-03-12 21:07

NVD link : CVE-2026-0809

Mitre link : CVE-2026-0809

CVE.ORG link : CVE-2026-0809

JSON object : View

Products Affected

No product.

CWE

CWE-261

Weak Encoding for Password

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CVE-2026-0809

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