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CVE-2026-24739: Symfony's incorrect argument escaping under MSYS2/Git Bash can lead to destructive file operations on Windows

medium Affects symfony/process, symfony/symfony. Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

Symfony's incorrect argument escaping under MSYS2/Git Bash can lead to destructive file operations on Windows

Package
symfony/process Composer
Affected versions
<5.4.51 or >=6.4 and <6.4.33 or >=7.3 and <7.3.11 or >=7.4 and <7.4.5 or >=8.0 and <8.0.5
Fixed in
5.4.51, 6.4.33, 7.3.11, 7.4.5, 8.0.5
Severity
medium  CVSS 6.3
Exploitation
not on CISA KEV · EPSS 0% (14.0th percentile)
Published
2026-01-28
Source
osv.dev

References

Symfony's incorrect argument escaping under MSYS2/Git Bash can lead to destructive file operations on Windows

Package
symfony/symfony Composer
Affected versions
<5.4.51 or >=6.4 and <6.4.33 or >=7.3 and <7.3.11 or >=7.4 and <7.4.5 or >=8.0 and <8.0.5
Fixed in
5.4.51, 6.4.33, 7.3.11, 7.4.5, 8.0.5
Severity
medium  CVSS 6.3
Exploitation
not on CISA KEV · EPSS 0% (14.0th percentile)
Published
2026-01-28
Source
osv.dev

References

CWE-88
NVD recordsymfony/process advisoriessymfony/symfony advisories

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