🛡️ CVE-2025-4953 — podman

🟠 CVSS 8.0 — High ✅ No Known Exploit NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Podman Creates Temporary File with Insecure Permissions

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability none.

Affected software

CVE-2025-4953 is recorded against 6 packages.

  • github.com/containers/podman
  • github.com/containers/podman/v2
  • github.com/containers/podman/v3
  • github.com/containers/podman/v4
  • github.com/containers/podman/v5
  • unknown

Timeline and source

Published on 17 September 2025 and last revised on 4 February 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com (Advisory)
nvd.nist.gov (Advisory)
access.redhat.com (Web)
bugzilla.redhat.com (Web)

CVE-2025-4953 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity High
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE N/A
Public Exploit ✅ No
Source NVD
Published 2025-09-17
Updated 2026-08-12
Modified 2026-02-04
Fix URL N/A

Affected Packages

Software From version Fixed in
github.com/containers/podman — —
github.com/containers/podman/v2 — —
github.com/containers/podman/v3 — —
github.com/containers/podman/v4 — —
github.com/containers/podman/v5 — —
unknown — —

Similar Threats

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