CVE-2026-102601: Flysystem: WhitespacePathNormalizer's control-character (CorruptedPathDetected) check is bypassed by malformed UTF-8 in the path, affecting every adapter

low Affects league/flysystem. Feed 2026.10.29.3, updated 2026-10-29; published 2026-09-29; advisory modified 2026-09-30.

Flysystem: WhitespacePathNormalizer's control-character (CorruptedPathDetected) check is bypassed by malformed UTF-8 in the path, affecting every adapter

Package: league/flysystem Composer
Affected versions: <3.35.3
Fixed in: 3.35.3
Severity: low CVSS 3.5
Exploitation: not on CISA KEV · EPSS 0% (27.1th percentile)
Published: 2026-09-29
Source: osv.dev

References

CWE-150

NVD record league/flysystem advisories

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