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CVE-2026-105163— crossplane crossplane-runtime ImageConfig client.go Get toctou

Quick assessment

Affected
crossplane crossplane-runtime
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 crossplane crossplane-runtime 版本 2.2.2 及 2.3.2 之前（含）检测到一处漏洞。该漏洞影响 ImageConfig 组件中文件 的 函数。此漏洞可导致检查与使用之间存在时间差（TOCTOU，Time-of-Check Time-of-Use）问题。攻击者可远程发动攻击。通过升级至版本 2.2.3、2.3.3 或 2.4.0-rc.1 可解决此问题。相关补丁标识为： 。建议升级受影响的相关组件。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-105163

Vulnerability Information
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Vulnerability Title
crossplane crossplane-runtime ImageConfig client.go Get toctou
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
crossplane crossplane-runtime 2.2.0 cpe:2.3:a:crossplane:crossplane-runtime:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-105163

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-105163

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Patches & Fixes for CVE-2026-105163 (2)

Vendor Advisories for CVE-2026-105163 (1)

Vendor Pages for CVE-2026-105163 (1)

IV. Related Vulnerabilities

Same product: crossplane-runtime
Same vendor: crossplane
Same weakness: CWE-367

V. Comments for CVE-2026-105163

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