How severe is CVE-2019-16676?

CVE-2019-16676 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-16676 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16676?

CVE-2019-16676 affects Plataformatec Simple Form. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-16676?

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

When was CVE-2019-16676 published?

CVE-2019-16676 was published on 2019-09-30 and last updated on 2026-06-17.

CVE-2019-16676

CVE-2019-16676 is a critical-severity vulnerability in Plataformatec Simple Form with a CVSS 3.x base score of 9.8. 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-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Plataformatec Simple Form
Published: 2019-09-30
Last modified: 2026-06-17

Description

Plataformatec Simple Form has Incorrect Access Control in file_method? in lib/simple_form/form_builder.rb, because a user-supplied string is invoked as a method call.

Frequently asked questions

What is CVE-2019-16676?: Plataformatec Simple Form has Incorrect Access Control in file_method? in lib/simple_form/form_builder.rb, because a user-supplied string is invoked as a method call.
How severe is CVE-2019-16676?: CVE-2019-16676 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-16676 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16676?: CVE-2019-16676 affects Plataformatec Simple Form. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-16676?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-16676 published?: CVE-2019-16676 was published on 2019-09-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:plataformatec:simple_form:*:*:*:*:*:*:*:*

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