CVE-2026-8931
Critical RCE vulnerability in Disig Web Signer
- State
- Published
- Severity
- 9.4 Critical
- Published
- Jun 1, 2026
- Updated
- Jun 1, 2026
- Reserved
- May 19, 2026
Description
A critical Remote Code Execution (RCE) vulnerability exists in Disig Web Signer versions 2.0.3 through 2.5.3.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.4 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H | SK-CERT |
Weaknesses
- CWE-94 Improper Control of Generation of Code ('Code Injection')
Affected Products
| Product | Versions |
|---|---|
Web SignerDisig |
|
References
- https://www.disig.sk/en/news/important-update-of-the-web-signer-application/
- https://www.disig.sk/sk/aktuality/dolezita-aktualizacia-aplikacie-web-signer/
- 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
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