How serious is CVE-2026-21786?

This vulnerability has a CVSS score of 3.3 out of 10, classified as LOW severity. No public exploit code has been identified yet.

Which products are affected by CVE-2026-21786?

CVE-2026-21786 affects hcltech sametime. Check the full CVE details for specific version information.

How do I fix CVE-2026-21786?

To remediate CVE-2026-21786, check for security patches from hcltech. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2026-21786

Low

|3.3

No Exploit

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows an attacker to access sensitive information, such as hostnames, that is unintentionally stored in the application logs and certain URLs of HCL Sametime for iOS. To exploit this, the attacker would need to gain access to these logs, which could happen if the device or application is not properly secured.

Technical Description

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

CVSS Vector Analysis

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

Confidentiality ImpactLow

Integrity ImpactNone

Availability ImpactNone

ScopeUnchanged

Vector String

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

Exploit Resources

Search for proof-of-concept code and exploit modules

GitHub Search Exploit-DB Nuclei Templates Metasploit Vulners

Official References

NIST NVD

Est. Bounty

$437($100-$500)

Vendor Response

Grade APatched in 4 days

Quick Information

Published

Mar 5, 2026

about 1 month ago

Last Modified

Mar 9, 2026

29 days ago

Vendor

hcltech

Product

sametime

Related Vulnerabilities

CVE-2025-52603Low

This vulnerability allows an attacker to access limited internal information from HCL Connections if they navigate the system in a specific way. However, the attacker must have access to the application and follow a particular sequence of actions to exploit this issue.