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N A EUVDEUVD-2026-42770

| CVE-2026-39246 HIGH
Improper Link Resolution Before File Access (CWE-59)
2026-07-09 mitre GHSA-m5fg-qjq5-56fv
7.5
CVSS 3.1 · Vendor: mitre
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Severity by source

Vendor (mitre) PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
SUSE
HIGH
qualitative
Red Hat
7.5 HIGH
qualitative

Primary rating from Vendor (mitre).

CVSS VectorVendor: mitre

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

3
Analysis Generated
Jul 10, 2026 - 18:32 vuln.today
CVSS changed
Jul 10, 2026 - 18:22 NVD
7.5 (HIGH)
CVE Published
Jul 09, 2026 - 00:00 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

decompress before 4.2.2 allows arbitrary symlink creation during archive extraction. When processing symlink entries (type === 'symlink'), the x.linkname field from the archive is passed directly to fs.symlink() without validation (index.js line 121). The preventWritingThroughSymlink check on line 98 only applies to file entries, not symlink creation. An attacker can craft an archive with symlink entries pointing to sensitive files outside the extraction directory (e.g., /etc/passwd), enabling information disclosure when the application reads the extracted contents.

AnalysisAI

Arbitrary symlink creation in the decompress npm package before 4.2.2 lets an attacker who supplies a crafted archive plant symlinks pointing outside the extraction directory, leading to information disclosure when the host application reads the extracted contents. The flaw stems from a symlink entry's linkname being passed straight to fs.symlink() without validation, while the existing anti-symlink guard only protects regular file entries. No public exploit has been identified at time of analysis, EPSS risk is low (0.17%, 6th percentile), and it is not listed in CISA KEV.

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Vendor StatusVendor

SUSE

Severity: Important
Product Status
SUSE Linux Enterprise Desktop 15 SP7 Affected
SUSE Linux Enterprise High Performance Computing 12 Not-Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 Not-Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 Not-Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 Affected

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EUVD-2026-42770 vulnerability details – vuln.today

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