Possible panic from Git source resolver

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What is CVE-2026-121522?

CVE-2026-121522 is a vulnerability classified as NULL Pointer Dereference, affecting BuildKit (affected versions: 0.26.0 – < 0.34.2). This vulnerability is rated Medium, with a CVSS score of 6.7. There is not enough data to determine whether this vulnerability has been exploited.

Overview

Original source data

In BuildKit versions v0.26.0 through v0.34.1, a specific build definition that resolves metadata for the same Git source reference twice can cause the BuildKit daemon to panic and crash, interrupting builds handled by that daemon. The issue is fixed in v0.34.2.

Affected products and scope

The analysis could not be completed. The original vulnerability data remains available below.

Technical details

The analysis could not be completed. The original vulnerability data remains available below.

Exploitability

The analysis could not be completed. The original vulnerability data remains available below.

Technical impact

The analysis could not be completed. The original vulnerability data remains available below.

Business impact

The analysis could not be completed. The original vulnerability data remains available below.

Remediation

The analysis could not be completed. The original vulnerability data remains available below.

Detection

The analysis could not be completed. The original vulnerability data remains available below.
Sources (7)
GCVE / Vulnerability-Lookup
CVE Program
Docker (CNA)
NVD
FIRST EPSS
Red Hat CSAF VEX
github.com
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