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CVE-2026-20746— PingDirectory copying of virtual attributes leads to memory exhaustion

Quick assessment

Affected
Ping Identity PingDirectory
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.

Ping Identity PingDirectory是美国Ping Identity公司的一个身份与访问管理服务器。 Ping Identity PingDirectory存在资源管理错误漏洞，该漏洞源于虚拟属性处理问题，可能导致仅授权用户在启用近期登录历史并复制引用ds-privilege-name值的虚拟属性时耗尽Java内存堆。

CVSS 6.3 · Medium EPSS 0.28% · P18

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 5

VendorProduct Version RangeStatus
Ping Identity PingDirectory 9.3.0.0≤ 9.3.0.8 affected
10.1.0.0≤ 10.1.0.5 affected
10.2.0.0≤ 10.2.0.5 affected
10.3.0.0≤ 10.3.0.3 affected
11.0.0.0< 11.0.0.1 affected
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I. Basic Information for CVE-2026-20746

Vulnerability Information
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Vulnerability Title
PingDirectory copying of virtual attributes leads to memory exhaustion
Source: CVE Program / CVE List V5
Vulnerability Description
Virtual attribute handling in Ping Identity PingDirectory in affected versions allows only authorized users to exhaust java memory heap when recent login history is enabled and copying virtual attributes that reference ds-privilege-name values.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:L/SC:H/SI:H/SA:H/S:P/AU:Y/R:U/RE:M/U:Amber
Source: CVE Program / CVE List V5
Vulnerability Type
在移除最后引用时对内存的释放不恰当(内存泄露)
Source: CVE Program / CVE List V5
Vulnerability Title
Ping Identity PingDirectory 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ping Identity PingDirectory是美国Ping Identity公司的一个身份与访问管理服务器。 Ping Identity PingDirectory存在资源管理错误漏洞，该漏洞源于虚拟属性处理问题，可能导致仅授权用户在启用近期登录历史并复制引用ds-privilege-name值的虚拟属性时耗尽Java内存堆。
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
Ping Identity PingDirectory 9.3.0.0 ~ 9.3.0.8 -

II. Public POCs for CVE-2026-20746

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III. Intelligence Information for CVE-2026-20746

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Vendor Advisories for CVE-2026-20746 (1)

Vendor Pages for CVE-2026-20746 (2)

IV. Related Vulnerabilities

Same product: PingDirectory
Same vendor: Ping Identity
Same weakness: CWE-401

V. Comments for CVE-2026-20746

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