CVE-2026-20746

PingDirectory copying of virtual attributes leads to memory exhaustion

6.3 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: Passive

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: Low

Exploit likelihood

0.28%Up 0.2 points since Jun 12, 2026

What each source reports

CVE List Score used 6.3

PingDirectory copying of virtual attributes leads to memory exhaustion

Record: CVE-2026-20746
CVSS 4.0: 6.3 MediumCVSS: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
Weakness: CWE-401
Updated: 2026-11-02

EUVDEUVD-2026-36374 6.3

Record: EUVD-2026-36374
CVSS 4.0: 6.3 MediumCVSS: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
Updated: 2026-11-02

GitHub AdvisoriesGHSA-m4wx-pp34-v6v9 6.3

Virtual attribute handling in Ping Identity PingDirectory in affected versions allows only...

Record: GHSA-m4wx-pp34-v6v9
CVSS 4.0: 6.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:L/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:Y/R:U/V:X/RE:M/U:Amber
Weakness: CWE-401
Updated: 2026-11-02

NVD 6.3

Record: CVE-2026-20746
CVSS 4.0: 6.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:L/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:Y/R:U/V:X/RE:M/U:Amber
Weakness: CWE-401
Updated: 2026-11-02

Affected products

ping identity pingdirectory

History

History
Recorded	Changed	Sources
Nov 2, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-20746 is a medium vulnerability (CVSS 6.3) in Ping Identity Pingdirectory, published June 12, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.28%, the 20th percentile. No source names a fixed version.