Vulnerability · Published Aug 20, 2026 · Assigned by ENISA
CVE-2026-70383Arbitrary file overwrite vulnerability in DigiDoc4 client
High 8.4
In plain English
A high-severity path traversal in DigiDoc4 from Estonian Information System Authority (RIA). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).
Severity (CVSS 4.0)8.4High
Exploit odds (30 days)0.2%top 91.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Estonian Information System Authority (RIA) | DigiDoc4 | 4.0.0 – before 4.11.0 |
Weakness: CWE-22 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N