How severe is CVE-2026-39351?

CVE-2026-39351 has a CVSS 3.x base score of 9.1, 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 none.

Is CVE-2026-39351 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-39351?

CVE-2026-39351 affects Frappe. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-39351?

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.

Does CVE-2026-39351 have an EU (EUVD) identifier?

Yes. CVE-2026-39351 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19861.

When was CVE-2026-39351 published?

CVE-2026-39351 was published on 2026-04-07 and last updated on 2026-06-17.

CVE-2026-39351

CVE-2026-39351 is a critical-severity vulnerability in Frappe with a CVSS 3.x base score of 9.1. 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-862.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v4: 6.9
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19861
Weakness: CWE-862
Affected product: Frappe
Published: 2026-04-07
Last modified: 2026-06-17

Description

Frappe is a full-stack web application framework. Prior to 16.14.0 and 15.104.0, Frappe allows unrestricted Doctype access via API exploit.

Frequently asked questions

What is CVE-2026-39351?: Frappe is a full-stack web application framework. Prior to 16.14.0 and 15.104.0, Frappe allows unrestricted Doctype access via API exploit.
How severe is CVE-2026-39351?: CVE-2026-39351 has a CVSS 3.x base score of 9.1, 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 none.
Is CVE-2026-39351 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-39351?: CVE-2026-39351 affects Frappe. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-39351?: 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.
Does CVE-2026-39351 have an EU (EUVD) identifier?: Yes. CVE-2026-39351 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19861.
When was CVE-2026-39351 published?: CVE-2026-39351 was published on 2026-04-07 and last updated on 2026-06-17.

References

https://github.com/frappe/frappe/security/advisories/GHSA-8ggw-hfr6-rw3x

Affected products (1)

cpe:2.3:a:frappe:frappe:*:*:*:*:*:*:*:*

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