What is CVE-2026-55739?

CVE-2026-55739 is a high-severity vulnerability in Crater-invoice Crater, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.3/10. Published 2026-08-05.

How severe is CVE-2026-55739?

High severity. CVSS v3 base score is 8.3 out of 10.

Auth bypass in Crater-invoice Crater

CVE-2026-55739

Crater isolates data per company_id, and its Invoice/Estimate/Payment/Expense policies enforce both a Bouncer ability check and $user->hasCompany($model->company_id). CustomerPolicy's view/update/delete methods omit the company-ownership c…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.

Affected products

Crater-invoice Crater — versions 6.0.6

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c

Frequently asked questions

What is CVE-2026-55739?: CVE-2026-55739 is a high-severity vulnerability in Crater-invoice Crater, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.3/10. Published 2026-08-05.
How severe is CVE-2026-55739?: High severity. CVSS v3 base score is 8.3 out of 10.