CVE-2026-93991

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Source
https://cve.org/CVERecord?id=CVE-2026-93991
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93991.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-93991
Aliases
Downstream
MINI (4)
Published
2026-09-19T22:58:11Z
Modified
2026-10-28T02:31:14Z
Severity
  • 8.3 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N CVSS Calculator
Summary
Argo Workflows 4.1.0 through 4.1.3 Cross-Namespace Disclosure via Negated Selector
Details

Argo Workflows versions 4.1.0 through 4.1.3 contain an authorization bypass vulnerability in ListArchivedWorkflows that fails to apply cluster-scoped access review when the metadata.namespace field selector uses the NotEquals operator. Attackers with namespace-scoped list permissions can use a negated namespace field selector to retrieve archived workflows from all other namespaces, exposing spec arguments, parameter values, and annotations.

Database specific 
{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93991.json"
}
References

Affected packages

Git / github.com/argoproj/argo-workflows

Affected ranges

Type
GIT
Repo
https://github.com/argoproj/argo-workflows
Events
Introduced
e5ed20d5cb54d4708d5aeb29148b3e49922f795c
Fixed
b5b4d665e9be9b87c115f943584c3e0ae96fe073
Fixed
a40972386c097ddf816d2e60e13f058bedca53d9
Database specific
Show details 
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "4.1.0"
                },
                {
                    "fixed": "4.1.4"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        },
        {
            "range": [
                {
                    "fixed": "a40972386c097ddf816d2e60e13f058bedca53d9"
                }
            ],
            "source": "REFERENCES_COMMIT"
        },
        {
            "original_tag": "v4.1.4",
            "range": [
                {
                    "fixed": "b5b4d665e9be9b87c115f943584c3e0ae96fe073"
                }
            ],
            "source": "REFERENCES_TAG"
        }
    ]
}

Affected versions

v4.*
v4.1.0
v4.1.1
v4.1.2
v4.1.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93991.json"