๐Ÿ” CVE Alert

CVE-2026-9806

UNKNOWN 0.0

Stored Cross-Site Scripting (XSS) in CTI Transmute Notification Panel via Malicious Convert Names

CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th

A stored cross-site scripting (XSS) vulnerability exists in the notification panel of CTI Transmute in versions prior to the patched release. Notification messages containing user-controlled convert names were rendered in the notification bell dropdown using innerHTML without adequate sanitization. An attacker able to create or influence a convert name that is included in a notification could inject arbitrary JavaScript, which would execute in the browser of an authenticated user when they opened the notification panel. Successful exploitation could allow the attacker to perform actions in the victim's session or access information available to the application in the browser context. The issue was remediated by constructing notification elements through DOM methods and assigning notification message content via textContent instead of innerHTML. This vulnerability was only present on a development branch.

CWE CWE-79
Vendor misp
Product cti-transmute
Published May 28, 2026
Last Updated May 28, 2026
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Affected Versions

misp / cti-transmute
All versions affected

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/MISP/cti-transmute/commit/cf42409badc27b13d9bb644b9175aa7f27e11259

Credits

ecrou-exact ๐Ÿ”ฉ