GHSA-rgh6-rfwx-v388

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Source
https://github.com/advisories/GHSA-rgh6-rfwx-v388
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-rgh6-rfwx-v388/GHSA-rgh6-rfwx-v388.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-rgh6-rfwx-v388
Aliases
Downstream
Related
Published
2026-06-19T19:35:36Z
Modified
2026-06-25T23:11:20.213162313Z
Severity
  • 7.1 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
Arbitrary host CRI log file read via symlink following in CRI checkpoint restore
Details

Impact

A bug was found in containerd where the CRI plugin restores container.log from a checkpoint image without validating a symlinked path. This could result in reading an arbitrary file on the host via kubectl logs.

Patches

This bug has been fixed in the following containerd versions:

  • 2.3.2
  • 2.2.5
  • 2.1.9

Users should update to these versions to resolve the issue.

Workarounds

Ensure that only trusted images and checkpoints are used.

Credits

The containerd project would like to thank @gouldnicholas and @davidrxchester, Yuming Zhang and Song Li of Zhejiang University, Sangwon Ryu (@sangwon090), Henry Beberman (@hbeberman) of Microsoft, the GKE Security Team using Gemini, Anthropic Research, in collaboration with Claude, Robert Prast (@robertprast), Kyle Elliott (@kyle-elliott-tob) of Trail of Bits, and Zhenchen Wang (@Plucky923), who independently discovered and responsibly disclosed this issue in accordance with the containerd security policy.

For more information

If you have any questions or comments about this advisory:

To report a security issue in containerd: * Report a new vulnerability * Email us at security@containerd.io

Database specific 
{
    "github_reviewed_at": "2026-06-19T19:35:36Z",
    "cwe_ids": [
        "CWE-61"
    ],
    "severity": "HIGH",
    "nvd_published_at": null,
    "github_reviewed": true
}
References

Affected packages

Go
github.com/containerd/containerd/v2

Package

Name
github.com/containerd/containerd/v2
View open source insights on deps.dev
Purl
pkg:golang/github.com/containerd/containerd/v2

Affected ranges

Type
SEMVER
Events
Introduced
2.1.0
Fixed
2.1.9

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-rgh6-rfwx-v388/GHSA-rgh6-rfwx-v388.json"
github.com/containerd/containerd/v2

Package

Name
github.com/containerd/containerd/v2
View open source insights on deps.dev
Purl
pkg:golang/github.com/containerd/containerd/v2

Affected ranges

Type
SEMVER
Events
Introduced
2.2.0
Fixed
2.2.5

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-rgh6-rfwx-v388/GHSA-rgh6-rfwx-v388.json"
github.com/containerd/containerd/v2

Package

Name
github.com/containerd/containerd/v2
View open source insights on deps.dev
Purl
pkg:golang/github.com/containerd/containerd/v2

Affected ranges

Type
SEMVER
Events
Introduced
2.3.0
Fixed
2.3.2

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-rgh6-rfwx-v388/GHSA-rgh6-rfwx-v388.json"