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CVE-2026-105163GHSA-mf7q-r4rv-jv94GO-2026-6302

crossplane crossplane-runtime ImageConfig client.go Get toctou

crossplane crossplane-runtimeGoLibraries & packages
Open in ThreatlineRecord JSON
CVSS
6.9Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.32%Chance of exploitation activity in the next 30 days, higher than 24% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in2.4.0-rc.1Also 2.3.3OSV
Published4 Oct 2026Updated 5 Oct 2026CVE List

What fixes it

  • 2.4.0-rc.1github.com/crossplane/crossplane-runtime/v2, GoOSVgo get github.com/crossplane/crossplane-runtime/v2@v2.4.0-rc.1
  • 2.3.3github.com/crossplane/crossplane-runtime/v2, GoOSVgo get github.com/crossplane/crossplane-runtime/v2@v2.3.3

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

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.

Text from CVE List

Affected versions 12

  • crossplane-runtimeaffected: 2.2.0CVE List
  • crossplane-runtimeaffected: 2.2.1CVE List
  • crossplane-runtimeaffected: 2.2.2CVE List
  • crossplane-runtimeaffected: 2.3.0CVE List
  • crossplane-runtimeaffected: 2.3.1CVE List
  • crossplane-runtimeaffected: 2.3.2CVE List
  • crossplane-runtimeunaffected: 2.2.3CVE List
  • crossplane-runtimeunaffected: 2.3.3CVE List
  • crossplane-runtimeunaffected: 2.4.0-rc.1CVE List
  • github.com/crossplane/crossplane-runtime/v2, Gofrom 2.4.0-rc.0, fixed in 2.4.0-rc.1OSV
  • github.com/crossplane/crossplane-runtime/v2, Go2.4.0-rc.0OSV
  • github.com/crossplane/crossplane-runtime/v2, Gofrom 2.3.0, fixed in 2.3.3OSV

References 8