PingDirectory copying of virtual attributes leads to memory exhaustion
Priority LOW 28CWE-401Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-401.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00278 20th percentileScored 2026-11-07
Fix Fixed PingDirectory (Ping Identity): 11.0.0.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Ping Identity | PingDirectory | 9.3.0.0 – 9.3.0.8; 10.1.0.0 – 10.1.0.5; 10.2.0.0 – 10.2.0.5; 10.3.0.0 – 10.3.0.3; 11.0.0.0 to before 11.0.0.1 | 11.0.0.1 | Patch available | CNA |
- PingDirectory VendorPing Identity Affected 9.3.0.0 – 9.3.0.8; 10.1.0.0 – 10.1.0.5; 10.2.0.0 – 10.2.0.5; 10.3.0.0 – 10.3.0.3; 11.0.0.0 to before 11.0.0.1 Fixed in 11.0.0.1 Patch available CNA
Remediation
- Fix · CNA PingDirectory (Ping Identity) Fixed in 11.0.0.1
Timeline
- 2026-10-02 Threatist record created from CVE-2026-20746
- 2026-10-03 Alias added: GHSA-m4wx-pp34-v6v9
References
Other 3
- https://docs.pingidentity.com/pingdirectory/11.0/release_notes/pd_release_notes.html#pingdirectory-suite-of-products-11-0-0-1-march-2026
- https://www.pingidentity.com/en/resources/downloads/pingdirectory-downloads.html
- https://support.pingidentity.com/s/article/SECADV052-Denial-of-Service-via-copying-virtual-attributes
More Ping Identity vulnerabilities
- TI-2018-15786 UnboundID LDAP SDK version from commit 801111d up to… CVSS 3.0CRITICAL 9.8
- TI-2020-08561 Ping Identity PingID SSH before 4.0.14 contains a heap buffer overflow in PingID-enrolled… CVSS 3.1CRITICAL 9.8
- TI-2025-14368 PingAM Java Policy Agent path traversal CVSS 4.0CRITICAL 9.2
- TI-2023-21350 PingFederate OAuth client_secret_jwt Authentication Bypass CVSS 3.1CRITICAL 9.8
- TI-2026-17292 Improper Claim Validation in PingAM OIDC Provider CVSS 4.0CRITICAL 9.5
- TI-2023-20828 PingFederate PingID Radius PCV Authentication Bypass CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-20746 · CVE Program
- CVE-2026-20746 · NVD
- FIRST EPSS
- GHSA-m4wx-pp34-v6v9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences