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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

CVSS 3.8 · Low EPSS 0.17% · P7

Possible ATT&CK Techniques 1AI

T1199 · Trusted Relationship

Affected Version Matrix 1

VendorProductVersion RangeStatus
VMwarePinniped0.11.0≤ 0.46.0affected
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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: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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

VendorProductAffected VersionsCPESubscribe
VMwarePinniped 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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