Vulnerability in Hclsoftware Hcl Hive

CVE-2026-21755

HCL Hive is affected by a missing rate limit which could allow an attacker unauthorized access via brute-force or credential stuffing attacks, or cause a denial of service.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (10.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 10.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-21755: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-21755?
CVE-2026-21755 is a medium-severity vulnerability in Hclsoftware Hcl Hive, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 5.3/10. Published 2026-08-24.
How severe is CVE-2026-21755?
Medium severity. CVSS v3 base score is 5.3 out of 10.