CVE-2026-8931

Description

A critical Remote Code Execution (RCE) vulnerability exists in Disig Web Signer versions 2.0.3 through 2.5.3.

References

• https://download.disigcdn.sk/cdn/products/websigner2/changelog.en.txt
• https://download.disigcdn.sk/cdn/products/websigner2/changelog.sk.txt
• https://qesportal.sk/Portal/en/Info/News#websigner255
• https://qesportal.sk/Portal/sk/Info/News#websigner255
• https://www.disig.sk/en/news/important-update-of-the-web-signer-application/
• https://www.disig.sk/sk/aktuality/dolezita-aktualizacia-aplikacie-web-signer/