What is CVE-2026-55741?

CVE-2026-55741 is a high-severity vulnerability in Cotonti, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2026-06-18.

How severe is CVE-2026-55741?

High severity. CVSS v3 base score is 8.8 out of 10.

CSRF in Cotonti

CVE-2026-55741

Cotonti 1.0.0 (master branch, commit f43f1fc3) is vulnerable to Cross-Site Request Forgery in the administration configuration handler. In system/admin/admin.config.php, the configuration update action ('a=update') processes POST data via…

Vulnerability class: CSRF (Cross-Site Request Forgery)

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Cotonti — versions 1.0.0

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (technical-description)
309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (product)

Frequently asked questions

What is CVE-2026-55741?: CVE-2026-55741 is a high-severity vulnerability in Cotonti, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2026-06-18.
How severe is CVE-2026-55741?: High severity. CVSS v3 base score is 8.8 out of 10.