What is CVE-2026-71294?

CVE-2026-71294 is a high-severity vulnerability in Cotonti, classified under Deserialization of Untrusted Data. CVSS score: 7.6/10. Published 2026-08-05.

How severe is CVE-2026-71294?

High severity. CVSS v3 base score is 7.6 out of 10.

Deserialization in Cotonti

CVE-2026-71294

Cotonti CMS's Comments plugin deserializes user-supplied data without restricting the classes that may be instantiated. In plugins/comments/controllers/actions/CreateAction.php, a `ci` POST parameter obtained via `cot_import('ci', 'P', 'TX…

Vulnerability class: Insecure Deserialization

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L.

Affected products

Cotonti — versions 0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c

Frequently asked questions

What is CVE-2026-71294?: CVE-2026-71294 is a high-severity vulnerability in Cotonti, classified under Deserialization of Untrusted Data. CVSS score: 7.6/10. Published 2026-08-05.
How severe is CVE-2026-71294?: High severity. CVSS v3 base score is 7.6 out of 10.