CVE-2026-61794

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Source
https://cve.org/CVERecord?id=CVE-2026-61794
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-61794.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-61794
Aliases
Published
2026-09-18T16:26:18Z
Modified
2026-09-19T03:47:21Z
Severity
  • 6.8 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H CVSS Calculator
Summary
Capsule: Malformed ForbiddenAnnotations.Regex can bypass Tenant validation and trigger namespace admission panic
Details

Capsule is a multi-tenancy and policy-based framework for Kubernetes. From 0.13.0 until 0.13.7, the Tenant update validation in internal/webhook/tenant/validation/forbidden_annotations_regex.go compiles ForbiddenLabels.Regex for both the labels and annotations checks instead of validating ForbiddenAnnotations.Regex. An administrator who can update a Tenant can therefore persist a malformed ForbiddenAnnotations.Regex while leaving the labels expression valid. Namespace creation or update later passes the stored expression through pkg/api/forbidden_list.go, where regexp.MustCompile can panic during forbidden metadata validation and deny namespace operations for the affected tenant. This issue is fixed in version 0.13.7.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-20"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/61xxx/CVE-2026-61794.json"
}
References

Affected packages

Git / github.com/projectcapsule/capsule

Affected ranges

Type
GIT
Repo
https://github.com/projectcapsule/capsule
Events
Introduced
c6e109ca46ed7de3a0f371df75e8abc993413a64
Fixed
8d89d6865df6f41c7faa22fc9e807a57b01bfd0e
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "0.13.0"
        },
        {
            "fixed": "0.13.7"
        }
    ],
    "source": "AFFECTED_FIELD"
}

Affected versions

v0.*
v0.13.0
v0.13.1
v0.13.2
v0.13.3
v0.13.4
v0.13.5
v0.13.6

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-61794.json"