What is CVE-2015-1786?

CVE-2015-1786 is a high-severity vulnerability in Zend Framework, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2017-06-08.

How severe is CVE-2015-1786?

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

CSRF in Zend Framework

CVE-2015-1786

Cross-site request forgery (CSRF) vulnerability in Zend/Validator/Csrf in Zend Framework 2.3.x before 2.3.6 via null or malformed token identifiers.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2017-06-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (49.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Zend Framework — versions 2.3.0, 2.3.1, 2.3.2

Weakness classification (CWE)

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

References

framework.zend.com/changelog/2.3.6 (Release Notes, Vendor Advisory)
bugzilla.redhat.com/show_bug.cgi (VDB Entry, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2015-1786?: CVE-2015-1786 is a high-severity vulnerability in Zend Framework, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2017-06-08.
How severe is CVE-2015-1786?: High severity. CVSS v3 base score is 8.8 out of 10.