Medium · CVSS 6.9CVE-2026-105163

crossplane crossplane-runtime ImageConfig client.go Get toctouCVE-2026-105163

Answer in brief

CVE-2026-105163 records a Medium severity (CVSS 6.9) vulnerability in crossplane crossplane-runtime ImageConfig client.go Get toctou. The current sources do not mark it as known exploited. The current feed maps crossplane/crossplane-runtime (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 4, 2026Updated Oct 4, 2026Source checked Oct 4, 2026First seen by HOL Oct 4, 2026Material review Oct 4, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 6.9
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 6.9. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps crossplane/crossplane-runtime (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
crossplane/crossplane-runtimegeneric	2.2.0 \|\| 2.2.1 \|\| 2.2.2 \|\| 2.3.0 \|\| 2.3.1 \|\| 2.3.2	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for crossplane/crossplane-runtime.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Oct 4, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Oct 4, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Oct 4, 2026

Sources and claim methodology

Upstream source description

A vulnerability was detected in crossplane crossplane-runtime up to 2.2.2/2.3.2. This vulnerability affects the function Get of the file pkg/xpkg/client.go of the component ImageConfig. The manipulation results in time-of-check time-of-use. The attack may be launched remotely. Upgrading to version 2.2.3, 2.3.3 and 2.4.0-rc.1 is able to resolve this issue. The patch is identified as bee99c6cd6ca81878acca2940a2f0a02169fc208. You should upgrade the affected component.

Quoted source text, attributed separately from HOL analysis.