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PatchSiren cyber security CVE debrief

CVE-2026-20746 Ping Identity CVE debrief

CVE-2026-20746 is a MEDIUM severity vulnerability in Ping Identity PingDirectory. The vulnerability allows authorized users to exhaust the Java memory heap when recent login history is enabled and copying virtual attributes that reference ds-privilege-name values. The vulnerability was published on 2026-06-12T04:17:04.510Z and last modified on 2026-06-12T16:06:17.027Z.

Vendor
Ping Identity
Product
PingDirectory
CVSS
MEDIUM 6.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-12
Original CVE updated
2026-08-28
Advisory published
2026-06-12
Advisory updated
2026-08-28

Who should care

Administrators and users of Ping Identity PingDirectory should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The vulnerability is caused by improper handling of virtual attributes in Ping Identity PingDirectory. An authorized user can exploit this vulnerability to cause a denial of service by copying virtual attributes that reference ds-privilege-name values when recent login history is enabled.

Defensive priority

MEDIUM

Recommended defensive actions

  • Apply the patches or updates provided by Ping Identity to fix the vulnerability.
  • Restrict access to authorized users to prevent exploitation.
  • Monitor the system for suspicious activity.

Evidence notes

The vulnerability was reported by Ping Identity and has been documented in their release notes and support articles. [ref-4](https://docs.pingidentity.com/pingdirectory/11.0/release_notes/pd_release_notes.html#pingdirectory-suite-of-products-11-0-0-1-march-2026), [ref-5](https://support.pingidentity.com/s/article/SECADV052-Denial-of-Service-via-copying-virtual-attributes), [ref-6](https://www.pingidentity.com/en/resources/downloads/pingdirectory-downloads.html)

Sources and references

Verified primary and authoritative sources

  • CVE-2026-20746 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-20746

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-20746 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-20746

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.