Description
A prior update that raised a bundled HTTP client library to a version remediating known vulnerabilities was later reverted, reintroducing the earlier, vulnerable version into a log-processing component. The only code path in that component using the library issues a request to a single fixed, trusted vendor URL at initialization and does not process attacker-controlled input through the library, limiting practical exploitability of the reintroduced version in this context.
Published: 2026-09-11
Score: 6.3 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 21:15:00 +0000

Type Values Removed Values Added
Title Reintroduced Vulnerable HTTP Client in Malcolm Log-Processing

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

Type Values Removed Values Added
Title Reintroduced Vulnerable HTTP Client in Malcolm Log-Processing

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

Type Values Removed Values Added
Title Legacy HTTP Client Library Reintroduction in Malcolm Log-Processing Component

Mon, 14 Sep 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Mon, 14 Sep 2026 00:45:00 +0000

Type Values Removed Values Added
Title Legacy HTTP Client Library Reintroduction in Malcolm Log-Processing Component

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 08:00:00 +0000

Type Values Removed Values Added
Title Legacy HTTP Client Reintroduced in Malcolm Log-Processing Component

Sun, 13 Sep 2026 02:00:00 +0000

Type Values Removed Values Added
Title Legacy HTTP Client Reintroduced in Malcolm Log-Processing Component

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

Type Values Removed Values Added
Title Reintroduced Vulnerable HTTP Client Library in Malcolm Log-Processing Component

Sat, 12 Sep 2026 08:45:00 +0000

Type Values Removed Values Added
Title Reintroduced Vulnerable HTTP Client Library in Malcolm Log-Processing Component

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

Type Values Removed Values Added
Description A prior update that raised a bundled HTTP client library to a version remediating known vulnerabilities was later reverted, reintroducing the earlier, vulnerable version into a log-processing component. The only code path in that component using the library issues a request to a single fixed, trusted vendor URL at initialization and does not process attacker-controlled input through the library, limiting practical exploitability of the reintroduced version in this context.
Weaknesses CWE-1395
References
Metrics cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published:

Updated: 2026-09-14T13:00:29.977Z

Reserved: 2026-09-11T21:00:09.301Z

Link: CVE-2026-90455

cve-icon Vulnrichment

Updated: 2026-09-14T12:57:17.393Z

cve-icon NVD

Status : Received

Published: 2026-09-11T22:16:47.873

Modified: 2026-09-14T13:19:29.293

Link: CVE-2026-90455

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-15T21:00:17Z

Weaknesses