What is CVE-2026-58143?

CVE-2026-58143 is a high-severity vulnerability in Cotonti, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2026-07-09.

How severe is CVE-2026-58143?

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

CSRF in Cotonti

CVE-2026-58143

Cotonti Siena 0.9.26 and earlier contains a cross-site request forgery vulnerability that allows unauthenticated attackers to modify administrator configuration by tricking a logged-in administrator into submitting a forged POST request to…

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 0

Weakness classification (CWE)

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

References

disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-58143?: CVE-2026-58143 is a high-severity vulnerability in Cotonti, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2026-07-09.
How severe is CVE-2026-58143?: High severity. CVSS v3 base score is 8.8 out of 10.