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Back to active CVEs
High · CVSS 7.5CVE-2026-41582

countly-server: Unauthenticated Path Traversal via Public Image and Screenshot Routes Leads to Read Internal FilesCVE-2026-41582

Answer in brief

CVE-2026-41582 records a High severity (CVSS 7.5) vulnerability in countly-server: Unauthenticated Path Traversal via Public Image and Screenshot Routes Leads to Read Internal Files. The current sources do not mark it as known exploited. The current feed maps Countly/countly-server (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 Oct 16, 2026Updated Oct 16, 2026Source checked Oct 16, 2026First seen by HOL Oct 16, 2026Material review Oct 16, 2026
Upstream Advisory

Record context

Vulnerability class
Path Traversal
EPSS
Not reported
CWE IDs
CWE-22
Source
CVE List V5
Source checked
Oct 16, 2026
References
5 linked sources
Open source record

Key facts

Risk
High · CVSS 7.5
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 7.5. 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 Countly/countly-server (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Countly/countly-servergeneric<24.05.50 || >=25.03 <25.03.4424.05.50, 25.03.44

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Countly/countly-server.
  2. 2Review the reported fix. Update Countly/countly-server to 24.05.50 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 16, 2026

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

  2. Source modified

    Oct 16, 2026

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

  3. First seen by HOL

    Oct 16, 2026

Sources and claim methodology

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

countly-server is the server-side part of Countly, a product analytics solution. Prior to 24.05.50 and 25.03.44, public image and screenshot routes implemented in frontend/express/app.js, plugins/star-rating/frontend/app.js, and plugins/dashboards/frontend/app.js concatenate attacker-controlled wildcard paths without containment validation. On deployments using the local filesystem backend, an unauthenticated request can traverse outside the intended asset directories and reach getStats or getStream in api/utils/countlyFs.js, allowing arbitrary readable server files to be disclosed. The affected routes include /appimages/*, /memberimages/*, */screenshots/*, /star-rating/images/*, and /dashboards/images/screenshots/*. This issue is fixed in versions 24.05.50 and 25.03.44.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • countly-server: Path Traversal in delete_import Endpoint Allows Arbitrary File and Directory DeletionSame countly/countly-server package
  • countly-server: Unauthenticated Denial of Service (DoS) via Unhandled Stream ExceptionSame countly/countly-server package
  • countly-server: Stored XSS in feedback upload enables app-admin to compromise global admin session contextSame countly/countly-server package
  • Thermo Fisher Torrent Suite Software Path TraversalAlso CWE-22
  • Improper verification of the source of a communication channel in FreeRTOS-Plus-TCP Router Advertisement handlingSame generic ecosystem
  • Improper verification of the source of a communication channel in FreeRTOS-Plus-TCP DNS resolverSame generic ecosystem