CVE-2026-70383

High

Description

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Estonian Information System Authority (RIA) DigiDoc4 client. This issue affects DigiDoc4: from 4.0.0 before 4.11.0.

SeverityHigh

CVSS8.4

Exploit probability—

ProductDigiDoc4

PublishedAug 20, 2026

First seenAug 20, 2026

Weakness typeCWE-22Path traversal

How to fix

Update

Estonian Information System Authority (RIA) DigiDoc44.11.0 or later

Patches

github.com/open-eid/libdigidocpp/pull/736
github.com/open-eid/DigiDoc4-Client/pull/1402

Affected products

Product	Affected versions	Fixed in
Estonian Information System Authority (RIA) DigiDoc4	4.0.0 ≤ v < 4.11.0	4.11.0

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