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Back to active CVEs
High · CVSS 8.4CVE-2026-70383

Arbitrary file overwrite vulnerability in DigiDoc4 clientCVE-2026-70383

Answer in brief

CVE-2026-70383 records a High severity (CVSS 8.4) vulnerability in Arbitrary file overwrite vulnerability in DigiDoc4 client. The current sources do not mark it as known exploited. The current feed maps Estonian Information System Authority (RIA)/DigiDoc4 (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 20, 2026Updated Sep 1, 2026Source checked Oct 4, 2026First seen by HOL Aug 20, 2026Material review Sep 1, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.4
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 8.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Estonian Information System Authority (RIA)/DigiDoc4 (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Estonian Information System Authority (RIA)/DigiDoc4generic>=4.0.0 <4.11.04.11.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Estonian Information System Authority (RIA)/DigiDoc4.
  2. 2Review the reported fix. Update Estonian Information System Authority (RIA)/DigiDoc4 to 4.11.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Aug 20, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 1, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 20, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Drogon Static File Router StaticFileRouter.cc route path traversalAlso CWE-22
  • RainyGao DocSys Document Controller doGetTmpFile.do DocController.doGetTmp path traversalAlso CWE-22
  • WordPress TranslatePress plugin <= 3.3.6 - Cross Site Scripting (XSS) vulnerabilitySame generic ecosystem
  • WordPress Unlimited Elements For Elementor (Free Widgets, Addons, Templates) plugin <= 2.0.20 - Cross Site Scripting (XSS) vulnerabilitySame generic ecosystem
  • WordPress Gutenberg Blocks by Kadence Blocks plugin <= 3.7.11.1 - Cross Site Scripting (XSS) vulnerabilitySame generic ecosystem
  • WordPress Unlimited Elements For Elementor (Free Widgets, Addons, Templates) plugin <= 2.0.20 - SQL Injection vulnerabilitySame generic ecosystem

Record context

Vulnerability class
Path Traversal
EPSS
Not reported
CWE IDs
CWE-22
Source
CVE List V5
Source checked
Oct 4, 2026
References
3 linked sources
Open source record