CVE-2026-8931
Critical RCE vulnerability in Disig Web Signer
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
A critical Remote Code Execution (RCE) vulnerability exists in Disig Web Signer versions 2.0.3 through 2.5.3.
| Vendor | disig |
| Product | web signer |
| Published | Jun 1, 2026 |
| Last Updated | Jun 1, 2026 |
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Affected Versions
Disig / Web Signer
2.0.3 β€ 2.5.3
References
disig.sk: https://www.disig.sk/en/news/important-update-of-the-web-signer-application/ disig.sk: https://www.disig.sk/sk/aktuality/dolezita-aktualizacia-aplikacie-web-signer/ download.disigcdn.sk: https://download.disigcdn.sk/cdn/products/websigner2/changelog.en.txt download.disigcdn.sk: https://download.disigcdn.sk/cdn/products/websigner2/changelog.sk.txt qesportal.sk: https://qesportal.sk/Portal/en/Info/News#websigner255 qesportal.sk: https://qesportal.sk/Portal/sk/Info/News#websigner255
Credits
Marek AlakΕ‘a of Binary House