CVE Watch29 jul 2026

CVE-2026-52791

fuse-overlayfs is an implementation of overlayfs in FUSE for rootless containers. Prior to 1.17, the release-1.x C branch preserves SUID and

CVSS

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Sin CVSS

EPSS

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KEV

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Exploit Today

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0-100

Publicado: 29 jul 2026 · Última mod.: 29 jul 2026 · CWE-266

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

fuse-overlayfs is an implementation of overlayfs in FUSE for rootless containers. Prior to 1.17, the release-1.x C branch preserves SUID and SGID mode bits in main.c during open(O_TRUNC) and truncate handling on a copied-up file, allowing a low-privileged process to leave the upper-layer file with mode 4777. This issue is fixed in version 1.17.

Referencias oficiales

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