Vulnerability in Hclsoftware Hcl Hive

CVE-2026-21759

HCL Hive is affected by an information exposure vulnerability where Swagger documentation was found exposed publicly.  Although no sensitive information (e.g., credentials, PII) was discovered, exposing API documentation to unauthenticated users can increase the overall attack surface.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-21759?
CVE-2026-21759 is a medium-severity vulnerability in Hclsoftware Hcl Hive, classified under Insertion of Sensitive Information Into Debugging Code. CVSS score: 4.3/10. Published 2026-08-24.
How severe is CVE-2026-21759?
Medium severity. CVSS v3 base score is 4.3 out of 10.