CVE-2026-126815

EUVD-2026-123800
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.1 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
References
https://www.grayback.es/advisories
https://www.grayback.es/en/advisories