CVE-2026-70383 PUBLISHED

Arbitrary file overwrite vulnerability in DigiDoc4 client

Assigner: ENISA
Reserved: 04.08.2026 Published: 20.08.2026 Updated: 20.08.2026

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.

Metrics

CVSS 4.0

CVSS 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
CVSS Score: 8.4

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	Active

CVSS 4.0

Product Status

Vendor	Estonian Information System Authority (RIA)
Product	DigiDoc4
Versions	Default: unaffected affected from 4.0.0 to 4.11.0 (excl.)

Credits

Siva Aditya Panuganti, Aditya Security Labs finder

References

Problem Types

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE