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CVE-2026-59386— Credential exposure to space supporter

Quick assessment

Affected
Cloud Foundry Cloud Foundry Controller (CAPI)
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.

SpaceSupporter 角色可能违规修改应用的启动命令和构建包（buildpack），而这些操作本应需要 SpaceDeveloper 权限。这种权限提升攻击使得攻击者能够通过恶意的启动命令或自定义构建包，未经授权地窃取服务凭证。

CVSS 6.5 · Medium
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I. Basic Information for CVE-2026-59386

Vulnerability Information
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Vulnerability Title
Credential exposure to space supporter
Source: CVE Program / CVE List V5
Vulnerability Description
A SpaceSupporter could improperly modify an application's start command and buildpack—actions requiring SpaceDeveloper privileges. This privilege escalation enables unauthorized retrieval of service credentials through malicious start commands or custom buildpacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cloud Foundry Cloud Foundry Controller (CAPI) 0 ~ 1.247.0 -
Cloud Foundry cf-deployment 0 ~ v60.9.0 -

II. Public POCs for CVE-2026-59386

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III. Intelligence Information for CVE-2026-59386

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Other References for CVE-2026-59386 (1)

Same Patch Batch · Cloud Foundry · 2026-10-30 · 4 CVEs total

CVE-2026-59387 8.8 HIGH Broken access control restriction in Cloud Controller API
CVE-2026-59396 4.9 MEDIUM DoS Vulnerability in UAA Related to JWKS URI Handling
CVE-2026-59385 2.7 LOW Space Developer can extract space-scoped broker credentials

IV. Related Vulnerabilities

Same vendor: Cloud Foundry