MajorCritical vulnerability

CVE-2026-126815 (CVSS 8.1)

NVD · officialPublished Nov 11, 2026Risk 37/100

Pre-account hijacking in the authentication flow in Lagarto Chivato 0.4.1 and earlier on Web allows remote unauthenticated attackers to take over arbitrary accounts via a password planted on an unregistered email address that becomes valid upon the victim’s first passwordless login.

Technical details

CVSS

8.1

AV:NetworkAC:LowPR:NoneUI:RequiredC:HighI:HighA:None

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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