CVE Watch15 jul 2026

CVE-2025-8766

A container privilege escalation flaw was found in certain Multi-Cloud Object Gateway Core images. This issue stems from the /etc/passwd fil

CVSS

6.4

Medio

EPSS

0.2%

KEV

—

Exploit Today

0-100

Publicado: 13 mar 2026 · Última mod.: 15 jul 2026 · CWE-276

EPSS · 30d

0.2%EPSS · 30 días0.2%

2026-06-302026-07-17

Descripción técnica

A container privilege escalation flaw was found in certain Multi-Cloud Object Gateway Core images. This issue stems from the /etc/passwd file being created with group-writable permissions during build time. In certain conditions, an attacker who can execute commands within an affected container, even as a non-root user, can leverage their membership in the root group to modify the /etc/passwd file. This could allow the attacker to add a new user with any arbitrary UID, including UID 0, leading to full root privileges within the container

Referencias oficiales

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