What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 6.3 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-12 · updated 2026-10-26
• Weakness: CWE-401

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.

Affected products

• Ping Identity PingDirectory: from 9.3.0.0 through 9.3.0.8; from 10.1.0.0 through 10.1.0.5; from 10.2.0.0 through 10.2.0.5; from 10.3.0.0 through 10.3.0.3; from 11.0.0.0 before 11.0.0.1 — fixed in 11.0.0.1

How to fix

Upgrade to a fixed version: Ping Identity PingDirectory 11.0.0.1. Check the vendor advisory for mitigations.

References

• https://docs.pingidentity.com/pingdirectory/11.0/release_notes/pd_release_notes.html#pingdirectory-suite-of-products-11-0-0-1-march-2026
• https://support.pingidentity.com/s/article/SECADV052-Denial-of-Service-via-copying-virtual-attributes
• https://www.pingidentity.com/en/resources/downloads/pingdirectory-downloads.html

Get alerted when CVE-2026-20746 or the next vulnerability affects your stack