What is CVE-2026-31877?

CVE-2026-31877 is a critical-severity vulnerability in Frappe, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-03-11.

How severe is CVE-2026-31877?

Critical severity. CVSS v3 base score is 9.8 out of 10.

SQL Injection in Frappe

CVE-2026-31877

Frappe is a full-stack web application framework. Prior to 15.84.0 and 14.99.0, a specially crafted request made to a certain endpoint could result in SQL injection, allowing an attacker to extract information they wouldn't otherwise be able to. This vulnerability is fixed in 15.84.0 and 14.99.0.

Vulnerability class: SQL Injection

EPSS: 0.003 (20.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Frappe — versions >= 15.0.0, < 15.84.0, < 14.99.0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-31877?: CVE-2026-31877 is a critical-severity vulnerability in Frappe, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-03-11.
How severe is CVE-2026-31877?: Critical severity. CVSS v3 base score is 9.8 out of 10.