CVE-2026-100705

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Source
https://cve.org/CVERecord?id=CVE-2026-100705
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-100705.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-100705
Aliases
  • GHSA-q825-p383-r9v5
Published
2026-09-26T13:23:59Z
Modified
2026-09-28T03:48:30Z
Severity
  • 8.3 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N CVSS Calculator
Summary
Kyverno before 1.19.1 SSRF via legacy apiCall service executor
Details

Kyverno before 1.19.1 is vulnerable to server-side request forgery. The default egress blocklist (169.254.169.254, 169.254.169.253, metadata.google.internal, 127.0.0.0/8, ::1/128) and the scoped-token control were wired only into the new CEL http.Get/Post library and were never applied to the legacy apiCall service executor (pkg/engine/apicall/executor.go) or to the GlobalContextEntry external-API path, which handle every non-CEL context[].apiCall.service call. Because these paths use a plain net/http client with no egress filtering and no validation of the configured service URL, a ClusterPolicy or GlobalContextEntry author — or, where a deployed policy templates the service URL from the admission resource, a lower-privileged resource submitter — can cause Kyverno to issue GET/POST requests to an arbitrary host, including the cloud metadata endpoint, loopback, and any in-cluster service, reading cloud instance credentials and reaching internal endpoints with Kyverno's network position. The executor also unconditionally attaches Kyverno's projected ServiceAccount token to the attacker-chosen destination; the token is audience-scoped, limiting its replay value. Fixed in 1.19.1.

Database specific 
{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-918"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100705.json"
}
References

Affected packages

Git / github.com/kyverno/kyverno

Affected ranges

Type
GIT
Repo
https://github.com/kyverno/kyverno
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
40ec788d48bb28d83dbf85538e962a59db9d45c6
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "1.19.1"
        }
    ],
    "source":  [
        "AFFECTED_FIELD",
        "DESCRIPTION"
    ]
}

Affected versions

1.*
1.3.0-rc10
1.6-dev
1.7-dev
1.8-dev
1.9-dev
helm-chart-v2.*
helm-chart-v2.0.3
helm-chart-v2.0.3-rc1
helm-chart-v2.0.3-rc2
helm-chart-v2.1.0
helm-chart-v2.1.3
kyverno-chart-3.*
kyverno-chart-3.9.0
kyverno-chart-3.9.0-rc.1
kyverno-chart-3.9.0-rc.2
kyverno-chart-3.9.0-rc.3
kyverno-chart-3.9.0-rc.4
kyverno-policies-chart-3.*
kyverno-policies-chart-3.9.0
kyverno-policies-chart-3.9.0-rc.1
kyverno-policies-chart-3.9.0-rc.2
kyverno-policies-chart-3.9.0-rc.3
kyverno-policies-chart-3.9.0-rc.4
Other
test-dev
v0.*
v0.1.0
v0.10.0
v0.11.0
v0.2.0
v0.3.0
v0.4.0
v0.5.0
v0.7.0
v0.7.1
v0.8.0
v0.9.0
v0.9.1
v1.*
v1.0.0
v1.0.0-rc1
v1.1.1
v1.1.10
v1.1.11
v1.1.12
v1.1.2
v1.1.3
v1.1.3-rc1
v1.1.4
v1.1.4-rc1
v1.1.5
v1.1.6
v1.1.6-rc1
v1.1.6-rc2
v1.1.6-rc3
v1.1.6-rc4
v1.1.6-rc5
v1.1.7
v1.1.7-rc1
v1.1.7-rc2
v1.1.7-rc3
v1.1.7-rc4
v1.1.8
v1.1.9
v1.19.0
v1.19.0-rc.1
v1.19.0-rc.2
v1.19.0-rc.3
v1.19.0-rc.4
v1.19.1-rc.1
v1.2.0
v1.2.1
v1.3.0
v1.3.0-rc1
v1.3.0-rc10
v1.3.0-rc11
v1.3.0-rc12
v1.3.0-rc2
v1.3.0-rc3
v1.3.0-rc4
v1.3.0-rc5
v1.3.0-rc6
v1.3.0-rc7
v1.3.0-rc8
v1.3.0-rc9
v1.3.1
v1.3.2
v1.3.2-rc1
v1.3.2-rc2
v1.3.2-rc3
v1.3.3
v1.3.4
v1.3.4-rc1
v1.3.5
v1.3.5-rc1
v1.3.5-rc2
v1.3.5-rc3
v1.3.5-rc4
v1.3.5-rc5
v1.3.6
v1.3.6-rc1
v1.3.6-rc2
v1.3.6-rc3
v1.3.6-rc4
v1.3.6-rc5
v1.4.0
v1.4.0-rc1
v1.4.0-rc2
v1.4.0-rc3
v1.4.0-rc4
v1.4.1
v1.4.2
v1.4.2-rc1
v1.4.2-rc2
v1.4.2-rc3
v1.4.2-rc4
v1.4.3
v1.4.3-rc1
v1.4.3-rc2
v1.5.0-rc1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-100705.json"