How serious is CVE-2026-26930?

This vulnerability has a CVSS score of 7.2 out of 10, classified as HIGH severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2026-26930?

Yes, proof-of-concept exploit code for CVE-2026-26930 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2026-26930?

Check the official CVE details for a complete list of affected products and versions.

How do I fix CVE-2026-26930?

To remediate CVE-2026-26930, check for security patches from the vendor. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2026-26930

High

|7.2

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows an attacker to inject malicious scripts into the SmarterMail application through MAPI requests, which can lead to unauthorized actions or data theft when users interact with their email. To exploit this, the attacker needs to trick users into clicking on a specially crafted link or opening a compromised email.

Technical Description

SmarterTools SmarterMail before 9526 allows XSS via MAPI requests.

CVSS Vector Analysis

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

Confidentiality ImpactLow

Integrity ImpactLow

Availability ImpactNone

ScopeChanged

Vector String

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

$1,421($1K-$5K)

Vendor Response

Grade APatched in 6 days

Quick Information

Published

Feb 16, 2026

about 2 months ago

Last Modified

Feb 22, 2026

about 1 month ago