CVE-2026-93538

Source
https://cve.org/CVERecord?id=CVE-2026-93538
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93538.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-93538
Aliases
  • GHSA-h9p5-fp5h-qpqr
Published
2026-09-28T14:10:21Z
Modified
2026-10-01T03:30:54Z
Severity
  • 7.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N CVSS Calculator
Summary
Cross-tenant BundleDeployment and Secret disclosure via spoofed cluster labels during agent-initiated registration in Fleet
Details

A cross-tenant authorization issue was discovered in SUSE Rancher Fleet. During agent-initiated cluster registration, cluster labels supplied by the registering agent, including labels in the reserved management.cattle.io/ namespace such as the cluster display name label, were applied to the resulting upstream Cluster object. Because Fleet resolves GitRepo and Bundle targets from those cluster labels, a party able to register a cluster into a Fleet workspace namespace shared with other tenants could cause its own cluster to satisfy targeting rules that administrators intended for a different cluster. This affects SUSE Rancher Fleet 0.16 before 0.16.1, 0.15 before 0.15.6, 0.14 before 0.14.10, 0.13 before 0.13.15, 0.12 before 0.12.19 and older versions.

Database specific
{
    "cna_assigner":  "suse",
    "cwe_ids":  [
        "CWE-290",
        "CWE-639"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93538.json"
}
References

Affected packages

Git / github.com/rancher/fleet

Affected ranges

Type
GIT
Repo
https://github.com/rancher/fleet
Events
Database specific
Show details
{
    "extracted_events":  [
        {
            "introduced":  "0.16.0"
        },
        {
            "fixed":  "0.16.1"
        },
        {
            "introduced":  "0.15.0"
        },
        {
            "fixed":  "0.15.6"
        },
        {
            "introduced":  "0.14.0"
        },
        {
            "fixed":  "0.14.10"
        },
        {
            "introduced":  "0.13.0"
        },
        {
            "fixed":  "0.13.15"
        },
        {
            "introduced":  "0.12.0"
        },
        {
            "fixed":  "0.12.19"
        }
    ],
    "source":  "AFFECTED_FIELD"
}

Affected versions

pkg/apis/v0.*
pkg/apis/v0.12.0
pkg/apis/v0.12.0-rc.5
pkg/apis/v0.12.1
pkg/apis/v0.12.1-beta.1
pkg/apis/v0.12.1-rc.1
pkg/apis/v0.12.12-rc.2
pkg/apis/v0.12.15
pkg/apis/v0.12.15-rc.2
pkg/apis/v0.12.15-rc.3
pkg/apis/v0.12.17
pkg/apis/v0.12.18
pkg/apis/v0.12.3
pkg/apis/v0.12.3-beta.1
pkg/apis/v0.12.3-rc.1
pkg/apis/v0.12.5
pkg/apis/v0.13.0
pkg/apis/v0.13.11
pkg/apis/v0.13.11-rc.1
pkg/apis/v0.13.11-rc.2
pkg/apis/v0.13.13
pkg/apis/v0.13.14
pkg/apis/v0.13.7
pkg/apis/v0.13.7-rc.1
pkg/apis/v0.13.7-rc.2
pkg/apis/v0.14.0
pkg/apis/v0.14.2
pkg/apis/v0.14.2-beta.1
pkg/apis/v0.14.2-rc.1
pkg/apis/v0.14.2-rc.2
pkg/apis/v0.14.6
pkg/apis/v0.14.6-rc.2
pkg/apis/v0.14.6-rc.3
pkg/apis/v0.14.8
pkg/apis/v0.14.9
pkg/apis/v0.15.0
pkg/apis/v0.15.2
pkg/apis/v0.15.2-rc.2
pkg/apis/v0.15.2-rc.3
pkg/apis/v0.15.4
pkg/apis/v0.15.5
pkg/apis/v0.16.0
pkg/apis/v0.16.1-beta.1
v0.*
v0.12.0
v0.12.0-rc.5
v0.12.1
v0.12.1-beta.1
v0.12.1-beta.2
v0.12.1-rc.1
v0.12.10
v0.12.10-rc.1
v0.12.11
v0.12.11-rc.1
v0.12.11-rc.2
v0.12.11-rc.3
v0.12.12
v0.12.12-rc.1
v0.12.12-rc.2
v0.12.13
v0.12.13-rc.1
v0.12.13-rc.2
v0.12.13-rc.3
v0.12.14
v0.12.14-beta.1
v0.12.14-beta.2
v0.12.14-beta.3
v0.12.14-beta.4
v0.12.14-rc.1
v0.12.14-rc.2
v0.12.15
v0.12.15-rc.1
v0.12.15-rc.2
v0.12.15-rc.3
v0.12.16
v0.12.16-rc.1
v0.12.17
v0.12.18
v0.12.18-rc.1
v0.12.18-rc.2
v0.12.2
v0.12.3
v0.12.3-beta.1
v0.12.3-rc.1
v0.12.4
v0.12.4-rc.1
v0.12.4-rc.2
v0.12.4-rc.3
v0.12.5
v0.12.5-rc.1
v0.12.6
v0.12.6-beta.1
v0.12.6-beta.2
v0.12.6-rc.1
v0.12.6-rc.2
v0.12.6-rc.3
v0.12.7
v0.12.7-rc.1
v0.12.7-rc.2
v0.12.8
v0.12.8-rc.1
v0.12.9
v0.12.9-beta.1
v0.12.9-beta.2
v0.12.9-rc.1
v0.12.9-rc.2
v0.13.0
v0.13.0-rc.4
v0.13.1
v0.13.1-beta.1
v0.13.1-beta.2
v0.13.1-rc.1
v0.13.1-rc.2
v0.13.1-rc.3
v0.13.1-rc.4
v0.13.1-rc.5
v0.13.1-rc.6
v0.13.10
v0.13.10-beta.1
v0.13.10-beta.2
v0.13.10-beta.3
v0.13.10-beta.4
v0.13.10-beta.5
v0.13.10-rc.1
v0.13.10-rc.2
v0.13.11
v0.13.11-rc.1
v0.13.11-rc.2
v0.13.12
v0.13.12-rc.1
v0.13.13
v0.13.14
v0.13.14-rc.1
v0.13.14-rc.2
v0.13.15-rc.1
v0.13.2
v0.13.2-rc.1
v0.13.2-rc.2
v0.13.3
v0.13.4
v0.13.4-rc.1
v0.13.4-rc.2
v0.13.5
v0.13.5-beta.1
v0.13.5-rc.1
v0.13.5-rc.2
v0.13.5-rc.3
v0.13.6
v0.13.6-beta.1
v0.13.6-rc.1
v0.13.7
v0.13.7-alpha.1
v0.13.7-alpha.2
v0.13.7-rc.1
v0.13.7-rc.2
v0.13.8
v0.13.8-rc.1
v0.13.9
v0.13.9-rc.1
v0.13.9-rc.3
v0.13.9-rc.4
v0.14.0
v0.14.1
v0.14.1-beta.1
v0.14.1-beta.2
v0.14.1-beta.3
v0.14.1-beta.4
v0.14.1-rc.1
v0.14.10-rc.1
v0.14.2
v0.14.2-beta.1
v0.14.2-rc.1
v0.14.2-rc.2
v0.14.3
v0.14.3-beta.1
v0.14.3-rc.1
v0.14.3-rc.2
v0.14.3-rc.3
v0.14.4
v0.14.4-beta.1
v0.14.4-beta.2
v0.14.4-rc.1
v0.14.4-rc.2
v0.14.4-rc.3
v0.14.4-rc.4
v0.14.4-rc.5
v0.14.5
v0.14.5-beta.1
v0.14.5-beta.2
v0.14.5-beta.3
v0.14.5-beta.4
v0.14.5-beta.5
v0.14.5-rc.1
v0.14.5-rc.2
v0.14.6
v0.14.6-rc.1
v0.14.6-rc.2
v0.14.6-rc.3
v0.14.7
v0.14.7-rc.1
v0.14.7-rc.2
v0.14.8
v0.14.9
v0.14.9-rc.1
v0.14.9-rc.2
v0.15.0
v0.15.0-rc.6
v0.15.1
v0.15.1-beta.1
v0.15.1-beta.2
v0.15.1-beta.3
v0.15.1-beta.4
v0.15.1-rc.1
v0.15.1-rc.2
v0.15.2
v0.15.2-rc.1
v0.15.2-rc.2
v0.15.2-rc.3
v0.15.3
v0.15.3-beta.1
v0.15.3-beta.2
v0.15.3-rc.1
v0.15.3-rc.2
v0.15.4
v0.15.5
v0.15.5-rc.1
v0.15.5-rc.2
v0.15.6-alpha.1
v0.16.0
v0.16.0-rc.5
v0.16.1-beta.1
v0.16.1-beta.2

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93538.json"