CVE-2026-20746 json
PingDirectory copying of virtual attributes leads to memory exhaustion
published 2026-06-12 4 mo ago modified 2026-10-26 14 d ago also EUVD-2026-36374
- cvss
- 6.3
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 20%
- public exploits
- 0
- none known
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.
Patch / fix
- Ping Identity PingDirectory 11.0.0.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 4 mo ago
Exploit prediction
0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.3 | CVSS: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 |
| CNA | 4.0 | 6.3 | CVSS: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 |
Affected products
- Ping Identity PingDirectory
Classification
- Weakness
-
- CWE-401 Missing Release of Memory after Effective Lifetime
References
Sources
- CVE List CVE-2026-20746
- NVD CVE-2026-20746
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.