Hostname disclosure via application logs and URLs
Published Mar 10, 2026 · Updated Mar 10, 2026
Sensitive information disclosure in HCL Sametime for Android 12.0.21 allows local users to read hostnames from application logs and URLs. The Android client writes hostname information into application log entries and certain URLs, placing it in locally accessible artifacts. Exploitation requires low-privileged local access to the Android device and exposes hostname data without altering data or interrupting service.
Summary
What happened
Sensitive information disclosure in HCL Sametime for Android 12.0.21 allows local users to read hostnames from application logs and URLs. The Android client writes hostname information into application log entries and certain URLs, placing it in locally accessible artifacts. Exploitation requires low-privileged local access to the Android device and exposes hostname data without altering data or interrupting service.
The record
- CVE
- CVE-2026-21791
- Published
- Mar 10, 2026
- Updated
- Mar 10, 2026
- Vendor
- HCLSoftware
- Product
- Sametime
- Classifications
- CWE-532, T1533
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Mar 10, 2026CVE publishedPublication date reported by the CVE source.
- Mar 10, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=Android 12.0.21
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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