How severe is CVE-2015-1786?

CVE-2015-1786 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2015-1786 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-1786?

CVE-2015-1786 primarily affects Zend Zend Framework. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-1786?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-1786 published?

CVE-2015-1786 was published on 2017-06-08 and last updated on 2026-06-17.

CVE-2015-1786

CVE-2015-1786 is a high-severity vulnerability in Zend Zend Framework with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Zend Zend Framework
Published: 2017-06-08
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2015-1786?: CVE-2015-1786 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2015-1786 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-1786?: CVE-2015-1786 primarily affects Zend Zend Framework. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-1786?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-1786 published?: CVE-2015-1786 was published on 2017-06-08 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:zend:zend_framework:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:zend:zend_framework:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:zend:zend_framework:2.3.2:*:*:*:*:*:*:*
cpe:2.3:a:zend:zend_framework:2.3.3:*:*:*:*:*:*:*
cpe:2.3:a:zend:zend_framework:2.3.4:*:*:*:*:*:*:*
cpe:2.3:a:zend:zend_framework:2.3.5:*:*:*:*:*:*:*

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