What is CVE-2026-21786?

CVE-2026-21786 is a low-severity vulnerability in Hclsoftware Sametime For Ios, classified under Insertion of Sensitive Information into Log File. CVSS score: 3.3/10. Published 2026-03-05.

How severe is CVE-2026-21786?

Low severity. CVSS v3 base score is 3.3 out of 10.

Information disclosure in Hclsoftware Sametime For Ios

CVE-2026-21786

HCL Sametime for iOS is impacted by a sensitive information disclosure. Hostnames information is written in application logs and certain URLs.

EPSS: 0.001 (1.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Hclsoftware Sametime For Ios — versions < 12.0.26
Hcltech Sametime

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

psirt@hcl.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-21786?: CVE-2026-21786 is a low-severity vulnerability in Hclsoftware Sametime For Ios, classified under Insertion of Sensitive Information into Log File. CVSS score: 3.3/10. Published 2026-03-05.
How severe is CVE-2026-21786?: Low severity. CVSS v3 base score is 3.3 out of 10.