CVE-2026-21754

CVE-2026-21754

HCL Hive is affected by multiple infrastructure and network configuration vulnerabilities, which could lead to unauthorized lateral movement, container breakout, and sensitive data exposure within internal communications.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.001 (3.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.0% 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-2026-21754: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-21754?
CVE-2026-21754 is a medium-severity vulnerability, classified under Sensitive Cookie Without 'HttpOnly' Flag. CVSS score: 5.4/10. Published 2026-08-25.
How severe is CVE-2026-21754?
Medium severity. CVSS v3 base score is 5.4 out of 10.