How severe is CVE-2019-9927?

CVE-2019-9927 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-2019-9927 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-9927?

CVE-2019-9927 primarily affects Caret. In total, 33 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-9927?

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-2019-9927 published?

CVE-2019-9927 was published on 2019-03-22 and last updated on 2026-06-17.

CVE-2019-9927

CVE-2019-9927 is a critical-severity vulnerability in Caret 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.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Caret
Published: 2019-03-22
Last modified: 2026-06-17

Description

Caret before 2019-02-22 allows Remote Code Execution.

Frequently asked questions

What is CVE-2019-9927?: Caret before 2019-02-22 allows Remote Code Execution.
How severe is CVE-2019-9927?: CVE-2019-9927 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-2019-9927 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-9927?: CVE-2019-9927 primarily affects Caret. In total, 33 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-9927?: 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-2019-9927 published?: CVE-2019-9927 was published on 2019-03-22 and last updated on 2026-06-17.

References

https://github.com/careteditor/issues/issues/862

Affected products (33)

cpe:2.3:a:caret:caret:*:*:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:beta0:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:beta1:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:beta2:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:beta3:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:beta4:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:beta5:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:beta6:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:beta7:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:beta8:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:beta9:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc10:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc11:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc12:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc13:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc14:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc15:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc16:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc17:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc18:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc19:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc20:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc21:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc22:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc3:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc4:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc5:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc6:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc7:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc8:*:*:*:*:*:*
cpe:2.3:a:caret:caret:4.0.0:rc9:*:*:*:*:*:*

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