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CVE-2026-119420VulnerabilityPublished

Lago through 1.55.0 contains an authentication bypass vulnerability that allows organization administrators to obtain

Source GCVE Database

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Authoritative record:CVE-2026-119420· High 8.7

Not known to be exploited · CVSS 8.7 High.

Data as of 30 Oct 2026, 13:35 UTC

CVSS 4.0 base score
8.7High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (VulnCheck)CVSS 4.08.7
CNA (VulnCheck)CVSS 3.18.8
CNACVSS 4.08.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 Oct 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 30 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
getlagolagoAffected
  • <=1.55.0
Fixed in–
GitHublagopkg:github/lagoOther threatsAffected
  • <=1.55.0
Fixed in–

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

AI-suggested

Until a fix is available, restrict organization administrator privileges and monitor for suspicious invitation acceptance activities.

Description

Lago versions through 1.55.0 have an authentication bypass vulnerability that allows organization administrators to obtain session tokens for existing accounts without password verification. This occurs via the acceptInvite mutation, enabling attackers to accept an invitation with any password and receive a JWT token. Exploitation can lead to unauthorized access to organizations, billing data, API keys, and payment integrations.

References

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