Is CVE-2026-93570 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-93570 being exploited in the wild.

How severe is CVE-2026-93570?

Informational severity, published 29 October 2026.

Which products and versions are affected?

Krajowa Izba Rozliczeniowa Szafir all versions up to 2.0 build 707; Krajowa Izba Rozliczeniowa Szafir Weryfikująca all versions.

Is there a fix for CVE-2026-93570?

Yes: fixed in Szafir 2.0 build 708. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-93570 attacked?

It is attacked with local access, in a software library.

Am I affected by CVE-2026-93570?

Check whether you run Krajowa Izba Rozliczeniowa Szafir or Krajowa Izba Rozliczeniowa Szafir Weryfikująca at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-93570: Szafir XML External Entity injection in XML signing

CVE-2026-93570 · Severity: info · Published 2026-10-29

Szafir is an electronic signature and digital certificate application used to sign and verify documents in Poland. When a user signs or verifies a crafted XML file, an attacker can read arbitrary files from the user's computer by embedding malicious external entity references in the document. No public exploitation has been reported.

Technologies: Krajowa Izba Rozliczeniowa Szafir. Vendors: Krajowa Izba Rozliczeniowa.

Quick answers

Is CVE-2026-93570 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-93570 being exploited in the wild.
How severe is CVE-2026-93570?: Informational severity, published 29 October 2026.
Which products and versions are affected?: Krajowa Izba Rozliczeniowa Szafir all versions up to 2.0 build 707; Krajowa Izba Rozliczeniowa Szafir Weryfikująca all versions.
Is there a fix for CVE-2026-93570?: Yes: fixed in Szafir 2.0 build 708. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-93570 attacked?: It is attacked with local access, in a software library.
Am I affected by CVE-2026-93570?: Check whether you run Krajowa Izba Rozliczeniowa Szafir or Krajowa Izba Rozliczeniowa Szafir Weryfikująca at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

Fixed in: Szafir 2.0 build 708

Technical details

The vulnerability is an XML External Entity (XXE) injection in the XML parser used by Szafir and Szafir Weryfikująca. When processing a crafted XML file with a DOCTYPE containing external DTD references during signing or verification operations, the parser processes external entities without proper restrictions, allowing file disclosure. Szafir was patched in version 2.0 build 708; Szafir Weryfikująca is end-of-life and remains unpatched.

Affected products

Krajowa Izba Rozliczeniowa Szafir all versions up to 2.0 build 707
Krajowa Izba Rozliczeniowa Szafir Weryfikująca all versions

Timeline

2026-10-29: disclosed

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.