CVE-2026-8931

CRITICAL EPSS 49.3%
Published Jun 1, 20264w ago · Modified Jun 17, 20261w ago
9.4 CVSS 4.0
Critical
Find Similar
Published Jun 1, 2026 4w ago
Last Modified Jun 17, 2026 1w ago

Description

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

CVSS Details

Base Score
9.4
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
49.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-94 Improper Control of Generation of Code (Code Injection) Injection

References 6

  • 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
  • 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/

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.