Creation of Temporary File With Insecure Permissions in Podman - CVE-2025-4953
Published: October 28, 2025
Vulnerability identifier: #VU117706
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-4953
CWE-ID: CWE-378
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Container Projects
Affected software:
Podman
Podman
Detailed vulnerability description
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to data written to RUN --mount=type=bind mounts during the podman build is not discarded. A local user can gain access to temporary files.
How to mitigate CVE-2025-4953
Install updates from vendor's website.