CLEANSTART-2026-KE80803: High severity cleanstart/yunikorn-k8shim vulnerability

Q: What level of access does an attacker need to trigger this issue?

The vulnerability is rated as network-accessible, with low attack complexity, no privileges required, and no user interaction required. Exploitation requires crafted input that is transformed into a short destination buffer.

Q: What is the likely impact of successful exploitation?

Successful exploitation can cause a panic due to an out-of-bounds slice error, resulting in a high availability impact. The provided severity vector indicates no confidentiality or integrity impact.

Published Nov 14, 2026

Updated

Security vulnerability affects the yunikorn-k8shim package. The Nickname profile can panic with an out-of-bounds slice error when transforming crafted input into a short destination buffer.

Affected Software

1 affected componentFixes available

cleanstart/yunikorn-k8shim<1.9.0-r1

1.9.0-r1

Child vulnerabilities

Contains the following vulnerabilities.

CVE-2026-56851

Frequently Asked Questions

What level of access does an attacker need to trigger this issue?

The vulnerability is rated as network-accessible, with low attack complexity, no privileges required, and no user interaction required. Exploitation requires crafted input that is transformed into a short destination buffer.

What is the likely impact of successful exploitation?

Successful exploitation can cause a panic due to an out-of-bounds slice error, resulting in a high availability impact. The provided severity vector indicates no confidentiality or integrity impact.

CLEANSTART-2026-KE80803: High severity cleanstart/yunikorn-k8shim vulnerability

Affected Software

Child vulnerabilities

Frequently Asked Questions

What level of access does an attacker need to trigger this issue?

What is the likely impact of successful exploitation?

Company

Resources

Contact

Frequently Asked Questions

What level of access does an attacker need to trigger this issue?

What is the likely impact of successful exploitation?