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9 vulnerabilities by katacontainers
CVE-2026-41326 (GCVE-0-2026-41326)
Vulnerability from cvelistv5 – Published: 2026-04-24 18:46 – Updated: 2026-05-13 05:17
VLAI
Title
Kata Containers: CopyFile Policy Subversion via Symlinks
Summary
Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines (VMs) that perform like containers. From v3.4.0 to v3.28.0, an oversight in the CopyFile policy (and perhaps the CopyFile handler) allows untrusted hosts to write to arbitrary locations inside the guest workload image. This can be used to overwrite binaries inside the guest and exfiltrate data from containers; even those running inside CVMs. This vulnerability is fixed in v3.29.0.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/kata-containers/kata-container… | x_refsource_CONFIRM |
| https://github.com/kata-containers/kata-container… | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2026/05/13/2 |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| kata-containers | kata-containers |
Affected:
>= 3.4.0, < 3.29.0
|
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}
],
"metrics": [
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CVE-2026-24834 (GCVE-0-2026-24834)
Vulnerability from cvelistv5 – Published: 2026-02-19 15:57 – Updated: 2026-02-26 14:44
VLAI
Title
Kata Container to Guest micro VM privilege escalation
Summary
Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines (VMs) that perform like containers. In versions prior to 3.27.0, an issue in Kata with Cloud Hypervisor allows a user of the container to modify the file system used by the Guest micro VM ultimately achieving arbitrary code execution as root in said VM. The current understanding is this doesn’t impact the security of the Host or of other containers / VMs running on that Host (note that arm64 QEMU lacks NVDIMM read-only support: It is believed that until the upstream QEMU gains this capability, a guest write could reach the image file). Version 3.27.0 patches the issue.
Severity
9.4 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-732 - Incorrect Permission Assignment for Critical Resource
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/kata-containers/kata-container… | x_refsource_CONFIRM |
| https://github.com/kata-containers/kata-container… | x_refsource_MISC |
| https://github.com/kata-containers/kata-container… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| kata-containers | kata-containers |
Affected:
< 3.27.0
|
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}
],
"metrics": [
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"attackVector": "LOCAL",
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CVE-2026-24054 (GCVE-0-2026-24054)
Vulnerability from cvelistv5 – Published: 2026-01-29 17:16 – Updated: 2026-01-29 21:24
VLAI
Title
Kata Containers Runtime: Host block device can be hotplugged to the VM if the container image is malformed or contains no layers
Summary
Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines (VMs) that perform like containers. In versions prior to 3.26.0, when a container image is malformed or contains no layers, containerd falls back to bind-mounting an empty snapshotter directory for the container rootfs. When the Kata runtime attempts to mount the container rootfs, the bind mount causes the rootfs to be detected as a block device, leading to the underlying device being hotplugged to the guest. This can cause filesystem-level errors on the host due to double inode allocation, and may lead to the host's block device being mounted as read-only. Version 3.26.0 contains a patch for the issue.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/kata-containers/kata-container… | x_refsource_CONFIRM |
| https://github.com/kata-containers/kata-container… | x_refsource_MISC |
| https://github.com/containerd/containerd/blob/d93… | x_refsource_MISC |
| https://github.com/kata-containers/kata-container… | x_refsource_MISC |
| https://github.com/kata-containers/kata-container… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| kata-containers | kata-containers |
Affected:
< 3.26.0
|
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"tags": [
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CVE-2020-27151 (GCVE-0-2020-27151)
Vulnerability from cvelistv5 – Published: 2020-12-07 13:03 – Updated: 2024-08-04 16:11
VLAI
Summary
An issue was discovered in Kata Containers through 1.11.3 and 2.x through 2.0-rc1. The runtime will execute binaries given using annotations without any kind of validation. Someone who is granted access rights to a cluster will be able to have kata-runtime execute arbitrary binaries as root on the worker nodes.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://bugs.launchpad.net/katacontainers.io/+bug… | x_refsource_MISC |
| https://github.com/kata-containers/runtime/releas… | x_refsource_MISC |
| https://github.com/kata-containers/runtime/releas… | x_refsource_MISC |
| https://github.com/kata-containers/kata-container… | x_refsource_MISC |
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"references": [
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"x_transferred"
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"url": "https://bugs.launchpad.net/katacontainers.io/+bug/1878234"
},
{
"tags": [
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"x_transferred"
],
"url": "https://github.com/kata-containers/runtime/releases/tag/1.12.0"
},
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"x_transferred"
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"url": "https://github.com/kata-containers/runtime/releases/tag/1.11.5"
},
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"x_transferred"
],
"url": "https://github.com/kata-containers/kata-containers/releases/tag/2.0.0"
}
],
"title": "CVE Program Container"
}
],
"cna": {
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"vendor": "n/a",
"versions": [
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}
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},
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],
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CVE-2020-28914 (GCVE-0-2020-28914)
Vulnerability from cvelistv5 – Published: 2020-11-17 21:23 – Updated: 2024-08-04 16:41
VLAI
Summary
An improper file permissions vulnerability affects Kata Containers prior to 1.11.5. When using a Kubernetes hostPath volume and mounting either a file or directory into a container as readonly, the file/directory is mounted as readOnly inside the container, but is still writable inside the guest. For a container breakout situation, a malicious guest can potentially modify or delete files/directories expected to be read-only.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/kata-containers/kata-container… | x_refsource_MISC |
| https://github.com/kata-containers/runtime/pull/3042 | x_refsource_MISC |
| https://github.com/kata-containers/runtime/pull/3051 | x_refsource_MISC |
| https://github.com/kata-containers/runtime/releas… | x_refsource_MISC |
| https://github.com/kata-containers/runtime/releas… | x_refsource_MISC |
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CVE-2020-2023 (GCVE-0-2020-2023)
Vulnerability from cvelistv5 – Published: 2020-06-10 17:30 – Updated: 2024-09-17 01:15
VLAI
Title
Kata Containers - Containers have access to the guest root filesystem device
Summary
Kata Containers doesn't restrict containers from accessing the guest's root filesystem device. Malicious containers can exploit this to gain code execution on the guest and masquerade as the kata-agent. This issue affects Kata Containers 1.11 versions earlier than 1.11.1; Kata Containers 1.10 versions earlier than 1.10.5; and Kata Containers 1.9 and earlier versions.
Severity
CWE
- CWE-250 - Execution with Unnecessary Privileges
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/kata-containers/runtime/pull/2487 | x_refsource_MISC |
| https://github.com/kata-containers/runtime/pull/2477 | x_refsource_MISC |
| https://github.com/kata-containers/runtime/issues/2488 | x_refsource_MISC |
| https://github.com/kata-containers/agent/issues/791 | x_refsource_MISC |
| https://github.com/kata-containers/agent/pull/792 | x_refsource_MISC |
| https://github.com/kata-containers/runtime/releas… | x_refsource_MISC |
| https://github.com/kata-containers/runtime/releas… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Kata Containers | Kata Containers |
Affected:
1.11 , < 1.11.1
(custom)
Affected: 1.10 , < 1.10.5 (custom) Affected: 1 , ≤ 1.9 (custom) |
Date Public
2020-06-10 00:00
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CVE-2020-2026 (GCVE-0-2020-2026)
Vulnerability from cvelistv5 – Published: 2020-06-10 17:27 – Updated: 2024-09-16 19:35
VLAI
Title
Kata Containers - Guests can trick the kata-runtime into mounting the container image on any host path
Summary
A malicious guest compromised before a container creation (e.g. a malicious guest image or a guest running multiple containers) can trick the kata runtime into mounting the untrusted container filesystem on any host path, potentially allowing for code execution on the host. This issue affects: Kata Containers 1.11 versions earlier than 1.11.1; Kata Containers 1.10 versions earlier than 1.10.5; Kata Containers 1.9 and earlier versions.
Severity
7.8 (High)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://github.com/kata-containers/runtime/releas… | x_refsource_MISC |
| https://github.com/kata-containers/runtime/releas… | x_refsource_MISC |
| https://github.com/kata-containers/runtime/issues/2712 | x_refsource_MISC |
| https://github.com/kata-containers/runtime/pull/2713 | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Kata Containers | Kata Containers |
Affected:
1.11 , < 1.11.1
(custom)
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Date Public
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CVE-2020-2025 (GCVE-0-2020-2025)
Vulnerability from cvelistv5 – Published: 2020-05-19 21:05 – Updated: 2024-09-16 19:35
VLAI
Title
Kata Containers - Cloud Hypervisor guests persist filesystem changes to the underlying host image file
Summary
Kata Containers before 1.11.0 on Cloud Hypervisor persists guest filesystem changes to the underlying image file on the host. A malicious guest can overwrite the image file to gain control of all subsequent guest VMs. Since Kata Containers uses the same VM image file with all VMMs, this issue may also affect QEMU and Firecracker based guests.
Severity
8.8 (High)
CWE
- CWE-284 - Improper Access Control
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/kata-containers/runtime/pull/2487 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Kata Containers | Kata Containers |
Affected:
unspecified , < 1.11.0
(custom)
|
Date Public
2020-05-19 00:00
Credits
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CVE-2020-2024 (GCVE-0-2020-2024)
Vulnerability from cvelistv5 – Published: 2020-05-19 21:05 – Updated: 2024-09-17 01:01
VLAI
Title
Kata Containers - Guests can trick the kata-runtime into unmounting any mount point on the host
Summary
An improper link resolution vulnerability affects Kata Containers versions prior to 1.11.0. Upon container teardown, a malicious guest can trick the kata-runtime into unmounting any mount point on the host and all mount points underneath it, potentiality resulting in a host DoS.
Severity
6.5 (Medium)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/kata-containers/runtime/issues/2474 | x_refsource_MISC |
| https://github.com/kata-containers/runtime/pull/2475 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Kata Containers | Kata Containers |
Affected:
unspecified , < 1.11.0
(custom)
|
Date Public
2020-05-19 00:00
Credits
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