CVE-2026-103902

Published: Oct 12, 2026Modified: Oct 16, 2026Deferred

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploitability: 3.9 / Impact: 3.6

Source: a6d3dc9e-0591-4a13-bce7-0f5b31ff6158 (Secondary)

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.

Related CWEs

CWE-347

Improper Verification of Cryptographic Signature

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

References (2)

https://github.com/open-eid/libdigidocpp/pull/735

Source: a6d3dc9e-0591-4a13-bce7-0f5b31ff6158

https://www.id.ee/en/article/id-tarkvara-uus-versioon-267-on-avalikustatud/

Source: a6d3dc9e-0591-4a13-bce7-0f5b31ff6158

Timeline

No history available yet.