CVE-2026-3889

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

Spoofing issue in Thunderbird. This vulnerability was fixed in Thunderbird 149 and Thunderbird 140.9.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-451

Affected software

No affected versions have been published.

Timeline

Published
Mar 24, 2026
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2026-3889: Medium severity, CVSS 6.5 | Vulnix