CVE-2026-103902

7.5High

Published 12 Oct 2026 · NVD status: Received

7.5High

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Impact: High impact on integrity
Weakness: CWE-347

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CVSS v3.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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NVD 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.

References

https://github.com/open-eid/libdigidocpp/pull/735
https://www.id.ee/en/article/id-tarkvara-uus-versioon-267-on-avalikustatud/

Source: nvd.nist.gov/vuln/detail/CVE-2026-103902