CVE-2026-21758

CVE-2026-21758

HCL Hive is affected by an information disclosure vulnerability, which could lead to an attacker gathering sensitive information about the host environment.

Vulnerability class: Information Disclosure

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (5.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.9% 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-2026-21758: held from 0.002 to 0.002.

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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-21758?
CVE-2026-21758 is a low-severity vulnerability, classified under Information Disclosure. CVSS score: 3.7/10. Published 2026-08-25.
How severe is CVE-2026-21758?
Low severity. CVSS v3 base score is 3.7 out of 10.