CVE-2026-31879

CVE-2026-31879 is a medium-severity vulnerability in Frappe with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Description

Frappe is a full-stack web application framework. Prior to 14.100.2, 15.101.0, and 16.10.0, due to a lack of validation and improper permission checks, users could modify other user's private workspaces. Specially crafted requests could lead to stored XSS here. This vulnerability is fixed in 14.100.2, 15.101.0, and 16.10.0.

Frequently asked questions

What is CVE-2026-31879?
Frappe is a full-stack web application framework. Prior to 14.100.2, 15.101.0, and 16.10.0, due to a lack of validation and improper permission checks, users could modify other user's private workspaces. Specially crafted requests could lead to stored XSS here. This vulnerability is fixed in 14.100.2, 15.101.0, and 16.10.0.
How severe is CVE-2026-31879?
CVE-2026-31879 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-31879 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-31879?
CVE-2026-31879 affects Frappe. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-31879?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-31879 have an EU (EUVD) identifier?
Yes. CVE-2026-31879 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11292.
When was CVE-2026-31879 published?
CVE-2026-31879 was published on 2026-03-11 and last updated on 2026-06-17.

References

Affected products (1)

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