PT-2026-139778

CVE-2026-123497

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Published

2026-11-08

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Updated

2026-11-08

Description by

CVSS 3.1
6.8
Medium
MetricsAV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Vikunja veans before 2.7.1 contains a protocol downgrade vulnerability in serverCandidates that allows on-path attackers to force plain HTTP during veans init and login. Attackers can block HTTPS ports so discovery accepts an unverified HTTP response, capturing passwords, TOTP codes or bot tokens and persisting cleartext API traffic.
Exploitability
Fix
Impacts
Vendors
Affected products
Weakness enumeration
CWE-319: Cleartext Transmission of Sensitive Information
Related identifiers
CVE-2026-123497
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