CVE-2026-21791: HCL Sametime for Android is affected by sensitive information disclosure

Low severity · published Mar 10, 2026

CVE-2026-21791

HCL Sametime for Android is affected by sensitive information disclosure

3.3

CVSS

0.1%

EPSS

On KEV

Description

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

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack vector

Local

Complexity

Low

Privileges

Low

User interaction

None

Confidentiality

Low

Integrity

None

Availability

None

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.1% · higher than 3% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Sametime · HCL

Android 12.0.21 · source: vendor, NVD

Affected product

Sametime

HCL

All Sametime CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-21791

CVE.org

https://www.cve.org/CVERecord?id=CVE-2026-21791

Vendor Advisory

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0129451