SSRF in Frappe

CVE-2026-31878

Frappe is a full-stack web application framework. Prior to 14.100.1, 15.100.0, and 16.6.0, a malicious user could send a crafted request to an endpoint which would lead to the server making an HTTP call to a service of the user's choice. This vulnerability is fixed in 14.100.1, 15.100.0, and 16.6.0.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-31878: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

  • Frappe — versions >= 16.0.0, < 16.6.0, >= 15.0.0, < 15.100.0, < 14.100.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-31878?
CVE-2026-31878 is a medium-severity vulnerability in Frappe, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.0/10. Published 2026-03-11.
How severe is CVE-2026-31878?
Medium severity. CVSS v3 base score is 5.0 out of 10.