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Malcontent CVE-2026-28407

MEDIUM
Improper Check or Handling of Exceptional Conditions (CWE-703)
2026-02-27 security-advisories@github.com GHSA-945p-3jhm-6rcp
Information Disclosure Malcontent Suse
5.3
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
SUSE
MEDIUM
qualitative

Primary rating from GitHub Advisory.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
Patch released
Mar 03, 2026 - 18:23 nvd
Patch available
CVE Published
Feb 27, 2026 - 22:16 nvd
MEDIUM 5.3

DescriptionGitHub Advisory

malcontent is software for discovering supply-chain compromises through context, differential analysis, and YARA. Prior to version 1.21.0, malcontent would remove nested archives which failed to extract which could potentially leave malicious content. A better approach is to preserve these archives so that malcontent can attempt a best-effort scan of the archive bytes. Version 1.21.0 fixes the issue.

AnalysisAI

Malcontent versions before 1.21.0 fail to preserve nested archives that cannot be extracted, potentially allowing malicious content to evade detection during supply-chain compromise analysis. An attacker could exploit this by embedding malicious payloads in problematic nested archives that the tool would discard without scanning. The vulnerability has a patch available in version 1.21.0 and later.

Technical ContextAI

Affects Malcontent. malcontent is software for discovering supply-chain compromises through context, differential analysis, and YARA. Prior to version 1.21.0, malcontent would remove nested archives which failed to extract which could potentially leave malicious content. A better approach is to preserve these archives so that malcontent can attempt a best-effort scan of the archive bytes. Version 1.21.0 fixes the issue.

RemediationAI

A vendor patch is available — apply it immediately. Restrict network access to the affected service where possible.

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malcontent discovers supply-chain compromises through. context, differential analysis, and YARA. [CVSS 5.5 MEDIUM]

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Vendor StatusVendor

SUSE

Severity: Medium
Product Status
SUSE Linux Enterprise Desktop 15 SP7 Fixed
SUSE Linux Enterprise High Performance Computing 15 SP7 Fixed
SUSE Linux Enterprise Module for Desktop Applications 15 SP7 Fixed
SUSE Linux Enterprise Server 15 SP7 Fixed
SUSE Linux Enterprise Server 16.0 Fixed

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CVE-2026-28407 vulnerability details – vuln.today
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