CVE-2026-8931

Critical RCE vulnerability in Disig Web Signer

Critical · published June 1, 2026

CVSS v4.0
9.4
EPSS
1%
Percentile
61.9
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v4.0
9.4 · CRITICAL
Vector
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
EPSS
0.00982 · 61.9th percentile
Published
2026-06-01T14:31Z
EPSS history
Timeline
  • 01 JUN 14:31Z
    Critical RCE vulnerability in Disig Web Signer
    cvelistv5