CVE-2026-20746
PingDirectory copying of virtual attributes leads to memory exhaustion
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.
INFO
Published Date :
June 12, 2026, 4:17 a.m.
Last Modified :
June 12, 2026, 4:17 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | 5998a2e9-ae88-42cd-b6e0-7564fd979f9e | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Restrict access to virtual attributes referencing ds-privilege-name.
- Disable recent login history if not essential.
- Avoid copying virtual attributes referencing ds-privilege-name.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-20746.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-20746 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-20746
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-20746 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-20746 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
Jun. 12, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 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 Added CWE CWE-401 Added Reference https://docs.pingidentity.com/pingdirectory/11.0/release_notes/pd_release_notes.html#pingdirectory-suite-of-products-11-0-0-1-march-2026 Added Reference https://support.pingidentity.com/s/article/SECADV052-Denial-of-Service-via-copying-virtual-attributes Added Reference https://www.pingidentity.com/en/resources/downloads/pingdirectory-downloads.html