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CVE-2026-59269— Privilege Escalation via Active Directory LDAP injection in Pinniped Supervisor can be executed by an attacker who can edit LDAP Group DN entries

Quick assessment

Affected
VMware Pinniped
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.

VMware pinniped是美国VMware公司开源的一个身份认证代理工具。 VMware Pinniped 0.11.0版本至0.46.0版本存在输入验证错误漏洞，该漏洞源于输入验证错误，可能导致攻击者在满足一系列特定条件时通过Pinniped Supervisor进行认证时获得集群中的提升权限。

CVSS 3.8 · Low EPSS 0.27% · P18

Possible ATT&CK Techniques 1 AI

T1199 · Trusted Relationship

Affected Version Matrix 1

VendorProduct Version RangeStatus
VMware Pinniped 0.11.0≤ 0.46.0 affected
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I. Basic Information for CVE-2026-59269

Vulnerability Information
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Vulnerability Title
Privilege Escalation via Active Directory LDAP injection in Pinniped Supervisor can be executed by an attacker who can edit LDAP Group DN entries
Source: CVE Program / CVE List V5
Vulnerability Description
A user authenticating to Kubernetes clusters via the Pinniped Supervisor could potentially gain elevated permissions in the clusters, only if all the following conditions were true: the Pinniped Supervisor server is running with an ActiveDirectoryIdentityProvider resource configured; the ActiveDirectoryIdentityProvider.spec.groupSearch.attributes.groupName is empty; the attacker gains the ability to edit some part of the distinguished name (DN) of group entries in the Active Directory (AD) server's database for groups to which they belong; the configured group search parameters cause the edited group to be included in the group search results for the user; and the attacker knows the password for an AD user who belongs to the edited AD group. Affected versions: Pinniped (go.pinniped.dev) v0.11.0 through v0.46.0 inclusive; fixed in v0.47.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
VMware Pinniped 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
VMware pinniped是美国VMware公司开源的一个身份认证代理工具。 VMware Pinniped 0.11.0版本至0.46.0版本存在输入验证错误漏洞，该漏洞源于输入验证错误，可能导致攻击者在满足一系列特定条件时通过Pinniped Supervisor进行认证时获得集群中的提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
VMware Pinniped 0.11.0 ~ 0.46.0 -

II. Public POCs for CVE-2026-59269

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III. Intelligence Information for CVE-2026-59269

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Vendor Advisories for CVE-2026-59269 (1)

IV. Related Vulnerabilities

Same product: Pinniped
Same vendor: VMware

V. Comments for CVE-2026-59269

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