Patch Forecast
Yellow warning
Plan into this sprint.

CVE-2026-103902

Improper verification of cryptographic signature vulnerability in DigiDoc libdigidocpp, DigiDoc…

Risk score
51/100
CVSS
7.5 v3.1
Exploit chance (30 days)
0.1%
Published
12 Oct 2026

Open in the live forecast Today's forecast

What to know

What it is
Improper verification of cryptographic signature vulnerability in DigiDoc libdigidocpp, DigiDoc DigiDoc4, DigiDoc DigiDoc Android, and DigiDoc DigiDoc iOS. The vulnerability allows an attacker to create forged digital signatures that are displayed a valid by affected DigiDoc software.This issue affects libdigidocpp: f…
Affected
See advisory
Fix
Upgrade the product to 4.5.0, 4.11.0 or 3.1.0 (whichever matches your release line), or later.
Exploitation
No known exploitation

Why it is Yellow

  • CVSS 7.5 high
  • Remotely exploitable without logging in

References

Original description

Improper verification of cryptographic signature vulnerability in DigiDoc libdigidocpp, DigiDoc DigiDoc4, DigiDoc DigiDoc Android, and DigiDoc DigiDoc iOS. The vulnerability allows an attacker to create forged digital signatures that are displayed a valid by affected DigiDoc software.This issue affects libdigidocpp: from 4.0.0 before 4.5.0; DigiDoc4: from 4.6.0 before 4.11.0; DigiDoc Android: from 2.7.0 before 3.1.0; DigiDoc iOS: from 2.7.0 before 3.1.0.

Last activity 12 Oct 2026. Patch Forecast updates every hour.