What is CVE-2026-21811?

CVE-2026-21811 is a low-severity vulnerability, classified under Insufficiently Protected Credentials. CVSS score: 3.8/10. Published 2026-10-22.

How severe is CVE-2026-21811?

Low severity. CVSS v3 base score is 3.8 out of 10.

CVE-2026-21811

CVE-2026-21811

HCL AppScan Azure Boards Plugin is potentially affected by an Information Disclosure vulnerability involving secrets accessible in plaintext during pipeline execution. Depending on the pipeline configuration, these secrets could be exposed through task outputs, debug logs, environment variable dumps, or build agent scripts, despite being masked in the user interface.

Published 2026-10-22 · last modified 2026-10-22.

CVSS v3 metric

CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

support.hcl-software.com/csm

Frequently asked questions

What is CVE-2026-21811?: CVE-2026-21811 is a low-severity vulnerability, classified under Insufficiently Protected Credentials. CVSS score: 3.8/10. Published 2026-10-22.
How severe is CVE-2026-21811?: Low severity. CVSS v3 base score is 3.8 out of 10.