crossplane crossplane-runtime ImageConfig client.go Get toctou
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Partial Red Hat: 1 without a fix
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| crossplane | crossplane-runtime | 2.2.0; 2.2.1; 2.2.2; 2.3.0; 2.3.1; 2.3.2 | 2.2.3, 2.3.3, 2.4.0-rc.1 | Patch available | CNA |
- crossplane-runtime Vendorcrossplane Affected 2.2.0; 2.2.1; 2.2.2; 2.3.0; 2.3.1; 2.3.2 Fixed in 2.2.3, 2.3.3, 2.4.0-rc.1 Patch available CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:crossplane:crossplane-runtime:*:*:*:*:*:*:*:* | — | — | crossplane |
- cpe:2.3:a:crossplane:crossplane-runtime:*:*:*:*:*:*:*:* Versions — — ·crossplane
Remediation
- Fix · CNA crossplane-runtime (crossplane) Fixed in 2.2.3, 2.3.3, 2.4.0-rc.1
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet |
Timeline
- 2026-10-04 Threatist record created from CVE-2026-105163
- 2026-10-05 CISA SSVC decision points changed
- 2026-10-05 Priority changed: MEDIUM → LOW
- 2026-10-05 Alias added: GHSA-92mr-7mjc-w93g
- 2026-10-05 Affected versions changed · Red Hat
- 2026-10-05 CVSS score added · Red Hat
References
Patch 3
More crossplane vulnerabilities
- TI-2023-19875 Crossplane vulnerable to possible image tampering from missing image validation for Packages CVSS 3.1CRITICAL 9.8
- TI-2023-12211 fieldpath's Paved.SetValue allows growing arrays up to arbitrary sizes in crossplane-runtime CVSS 3.1HIGH 7.5
- TI-2023-12212 Unchecked fieldpath index in Composition's patches can lead to arbitrary memory allocation in crossplane CVSS 3.1MEDIUM 6.2
- TI-2023-19333 Crossplane vulnerable to denial of service from large image CVSS 3.1LOW 3.4
Sources
- CVE-2026-105163 · CVE Program
- CVE-2026-105163 · NVD
- FIRST EPSS
- GHSA-92mr-7mjc-w93g · GitHub Advisory Database · CC BY 4.0
- CVE-2026-105163 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences