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CVE-2026-126815VulnerabilityPublished

Lagarto Chivato · Pre-account Hijacking

Source GCVE Database

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Authoritative record:CVE-2026-126815· High 8.1

Not known to be exploited · CVSS 8.1 High.

Data as of 11 Nov 2026, 22:21 UTC

CVSS 3.1 base score
8.1High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (Grayback)CVSS 3.18.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 11 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
XauenDevsLagarto ChivatoAffected
  • >=0.1.0 <=0.4.2
Fixed in–
npmxauendevs/lagarto-chivatopkg:npm/xauendevs/lagarto-chivatoOther threatsAffected
  • >=0.1.0 <=0.4.2
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Since the vulnerability affects versions 0.4.1 and earlier, users should upgrade to a fixed version once available. Until then, monitoring vendor advisories for patch releases is recommended. No vendor advisory states that no action is required or that the issue is mitigated.

Description

A pre-account hijacking vulnerability exists in the authentication flow of Lagarto Chivato version 0.4.1 and earlier on the web. This flaw allows remote unauthenticated attackers to take over arbitrary user accounts by planting a password on an unregistered email address, which becomes valid when the victim performs their first passwordless login.

References

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