# CVE-2026-34040: docker.io: Moby is an open source container framework

CVE-2026-34040 is fixed in 6 products on 1 platform, first by DEBIAN-CVE-2026-34040, released March 31, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-34040
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0927
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 31, 2026

## Description

Moby is an open source container framework. Prior to version 29.3.1, a security vulnerability has been detected that allows attackers to bypass authorization plugins (AuthZ). This issue has been patched in version 29.3.1.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | docker amzn 2023 | 25.0.14-1.amzn2023.0.4 | [ALAS2023-2026-1615](https://patchblox.com/security/data/fix/linux/alas2023-2026-1615.md) | Apr 27, 2026 |
| Linux | docker-debuginfo amzn 2023 | 25.0.14-1.amzn2023.0.4 | [ALAS2023-2026-1615](https://patchblox.com/security/data/fix/linux/alas2023-2026-1615.md) | Apr 27, 2026 |
| Linux | docker-debugsource amzn 2023 | 25.0.14-1.amzn2023.0.4 | [ALAS2023-2026-1615](https://patchblox.com/security/data/fix/linux/alas2023-2026-1615.md) | Apr 27, 2026 |
| Linux | docker-stable opensuse-leap 16.0 | 24.0.9_ce-160000.6.1 | [OPENSUSE-SU-2026:21205-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21205-1.md) | Jul 2, 2026 |
| Linux | docker-stable sles 15.6 | 24.0.9_ce-150000.1.45.1 | [SUSE-SU-2026:2579-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2579-1.md) | Jun 23, 2026 |
| Linux | docker-stable sles 15.7 | 24.0.9_ce-150000.1.45.1 | [SUSE-SU-2026:2579-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2579-1.md) | Jun 23, 2026 |
| Linux | docker.io Debian 13.5 (trixie) | 26.1.5+dfsg1-9+deb13u1 | [DEBIAN-CVE-2026-34040](https://patchblox.com/security/data/fix/linux/debian-cve-2026-34040.md) | Mar 31, 2026 |
| Linux | docker.io Debian 14 | 28.5.2+dfsg4-2 | [DEBIAN-CVE-2026-34040](https://patchblox.com/security/data/fix/linux/debian-cve-2026-34040.md) | Mar 31, 2026 |
| Linux | govulncheck-vulndb opensuse-leap 15.6 | 0.0.20260402T184258-150000.1.158.1 | [SUSE-SU-2026:1205-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1205-1.md) | Apr 7, 2026 |
| Linux | govulncheck-vulndb opensuse-leap 16.0 | 0.0.20260723T184607-160000.1.1 | [OPENSUSE-SU-2026:21483-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21483-1.md) | Jul 30, 2026 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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