GitHub Advisoryadvisory · Go

GHSA-m68q-4hqr-mc6f Podman Creates Temporary File with Insecure Permissions

HIGH Published 2025-09-16 Modified 2026-01-15 Official page ↗

Aliases: CVE-2025-4953
Ecosystem: Go
Packages: github.com/containers/podman/v5
Severity: High
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weaknesses: CWE-378
Reviewed: 2025-09-16

Affected packages

• Go github.com/containers/podman/v5: <= 5.5.0 (no fix yet)

Description

A flaw was found in Podman. In a Containerfile or Podman, data written to RUN --mount=type=bind mounts during the podman build is not discarded. This issue can lead to files created within the container appearing in the temporary build context directory on the host, leaving the created files accessible.

Alias · CVE (1)

CVE-2025-4953 A flaw was found in Podman. vulnerability

Weakness · CWE (1)

CWE-378 Creation of Temporary File With Insecure Permissions weakness

References