High 8.4Published Aug 20, 2026

CVE-2026-70383Arbitrary file overwrite vulnerability in DigiDoc4 client

Updated under an hour ago (2026-10-19 09:20 UTC)

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It affects Estonian Information System Authority (RIA) DigiDoc4. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Estonian Information System Authority (RIA) DigiDoc4

Exploited in the last 30 days

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.

CVSS: 8.4 HIGH (v4.0, CNA)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
Weakness (CWE): CWE-22
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: ENISA
NVD analysis: Deferred
Record last updated: Aug 26, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Estonian Information System Authority (RIA) DigiDoc4 estonian_information_system_authority_ria:digidoc4 (from the name)	from 4.0.0 before 4.11.0	CNA record

References

https://github.com/open-eid/libdigidocpp/pull/736patch
https://github.com/open-eid/DigiDoc4-Client/pull/1402patch
https://github.com/open-eid/DigiDoc4-Clientproduct

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.