CLEANSTART-2026-OW89591: Due to the design of the name constraint checking algorithm, the processing time of some inputs scale non-linearly with respect to the size of the certificate

Q: What impact can successful exploitation have?

The reported impact is denial of service through excessive processing time during certificate name-constraint checking. The supplied severity vector indicates network-reachable exploitation with low attack complexity and no privileges or user interaction required.

Q: Which security properties are affected?

Availability is affected. The supplied severity vector reports no confidentiality or integrity impact.

Published Nov 11, 2026

Updated

Security vulnerability affects the argo-workflows package. Due to the design of the name constraint checking algorithm, the processing time of some inputs scale non-linearly with respect to the size of the certificate.

Affected Software

1 affected componentFixes available

cleanstart/argo-workflows<4.1.6-r1

4.1.6-r1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade cleanstart/argo-workflows to a version that resolves this vulnerability.
Fixed in 4.1.6-r1

Event History

Nov 11, 2026

Advisory Published

via OSV·12:38 AM

Data Sourced

via OSV·12:38 AM

DescriptionSeverityAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

CVE-2025-58187

Frequently Asked Questions

What impact can successful exploitation have?

The reported impact is denial of service through excessive processing time during certificate name-constraint checking. The supplied severity vector indicates network-reachable exploitation with low attack complexity and no privileges or user interaction required.

Which security properties are affected?

Availability is affected. The supplied severity vector reports no confidentiality or integrity impact.

CLEANSTART-2026-OW89591: Due to the design of the name constraint checking algorithm, the processing time of some inputs scale non-linearly with respect to the size of the certificate

Affected Software

Remediation

Event History

Child vulnerabilities

Frequently Asked Questions

What impact can successful exploitation have?

Which security properties are affected?

Company

Resources

Contact

Frequently Asked Questions

What impact can successful exploitation have?

Which security properties are affected?