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CVE-2026-59946

MEDIUM
6.1
CVSS 3.1
Description
Composer is a dependency Manager for the PHP language. Prior to 2.2.29 and 2.10.2, a Composer package bin entry containing .. path segments can resolve outside the package install directory and cause Composer's binary installation flow to chmod an existing host file to a world-readable and world-executable mode during composer install, update, or require. This issue is fixed in versions 2.2.29 and 2.10.2.

Metadata

CVE ID
CVE-2026-59946
State
PUBLISHED
Assigner
GitHub_M
Reserved
2026-07-07 18:49 UTC
Published
2026-07-08 19:32 UTC
Last updated
2026-07-08 19:32 UTC
Primary CWE
CWE-22
CWE-22: Improper Limitation of a Pathname to a Restricted Di…
Vendor / Product
composer / composer
Sources
cve.org  ·  NVD

Severity & Metrics

6.1 MEDIUM CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Affected products (1)
VendorProductPlatformVersions
composer composer — >= 1.0, < 2.2.29, >= 2.3.0, < 2.10.2
Weakness (CWE)
CWESourceDescription
CWE-22 cna CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-732 cna CWE-732: Incorrect Permission Assignment for Critical Resource
CVSS scores (1)
ScoreSeverityVersionSourceVector
6.1 MEDIUM 3.1 cna CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
References (5)
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