CVE-2026-21766 json
HCL Digital Experience and Digital Experience Compose insufficiently protects credentials
published 2026-08-05 3 mo ago modified 2026-10-23 16 d ago also EUVD-2026-53610
- cvss
- 5.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 22%
- public exploits
- 0
- none known
Summary
The default login portlet in HCL Digital Experience and Digital Experience Compose insufficiently protects credentials. Under certain very specific use cases and specific configurations, sensitive information may be written to web server logs. This only affects applications using the default login portlet.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 3 mo ago
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N |
Affected products
- HCLSoftware HCL Digital Experience and Digital Experience Compose
Classification
References
Sources
- CVE List CVE-2026-21766
- NVD CVE-2026-21766
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.