Description
An application programming interface endpoint accepts a user-supplied value and interpolates it directly into the path of a backend request to the underlying search and analytics data store, without restricting its contents. This allows an authenticated attacker to substitute an arbitrary backend path, causing the application's own elevated service credentials to be used against unintended internal endpoints. This could allow an attacker to enumerate or read internal configuration and administrative data from the backend data store that would otherwise be restricted.
Published: 2026-09-11
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

Vendor Solution

The latest version of Malcolm (September 2026 or later) fixes these vulnerabilities. Affected users are encouraged to update their instance of Malcolm to the latest version.

Tracking

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Advisories

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History

Tue, 15 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
Title Unauthorized Data Store Exposure via API Path Manipulation

Tue, 15 Sep 2026 06:30:00 +0000

Type Values Removed Values Added
Title Authenticated Path Injection Exposes Sensitive Data Store Information

Mon, 14 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
Title Authenticated Path Injection Exposes Sensitive Data Store Information
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 14 Sep 2026 10:15:00 +0000

Type Values Removed Values Added
Title API Endpoint Path Disclosure via Unrestricted Backend Request in Malcolm

Mon, 14 Sep 2026 01:15:00 +0000

Type Values Removed Values Added
Title API Endpoint Path Disclosure via Unrestricted Backend Request in Malcolm

Sun, 13 Sep 2026 19:30:00 +0000

Type Values Removed Values Added
First Time appeared Cisagov
Cisagov malcolm
Vendors & Products Cisagov
Cisagov malcolm

Sun, 13 Sep 2026 16:45:00 +0000

Type Values Removed Values Added
Title Authenticated API Path Manipulation Exposes Sensitive Backend Data

Sun, 13 Sep 2026 07:30:00 +0000

Type Values Removed Values Added
Title Authenticated API Path Manipulation Exposes Sensitive Backend Data

Sun, 13 Sep 2026 00:15:00 +0000

Type Values Removed Values Added
Title API Path Injection Exposes Internal Data

Sat, 12 Sep 2026 08:15:00 +0000

Type Values Removed Values Added
Title API Path Injection Exposes Internal Data

Fri, 11 Sep 2026 23:45:00 +0000

Type Values Removed Values Added
Description An application programming interface endpoint accepts a user-supplied value and interpolates it directly into the path of a backend request to the underlying search and analytics data store, without restricting its contents. This allows an authenticated attacker to substitute an arbitrary backend path, causing the application's own elevated service credentials to be used against unintended internal endpoints. This could allow an attacker to enumerate or read internal configuration and administrative data from the backend data store that would otherwise be restricted.
Weaknesses CWE-918
References
Metrics cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published:

Updated: 2026-09-14T19:34:47.598Z

Reserved: 2026-09-11T21:00:07.497Z

Link: CVE-2026-90446

cve-icon Vulnrichment

Updated: 2026-09-14T19:34:39.719Z

cve-icon NVD

Status : Received

Published: 2026-09-11T22:16:46.653

Modified: 2026-09-14T20:17:02.390

Link: CVE-2026-90446

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-15T20:45:20Z

Weaknesses