How severe is CVE-2026-31878?

CVE-2026-31878 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-31878 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-31878?

CVE-2026-31878 affects Frappe. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-31878?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-31878 have an EU (EUVD) identifier?

Yes. CVE-2026-31878 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11290.

When was CVE-2026-31878 published?

CVE-2026-31878 was published on 2026-03-11 and last updated on 2026-06-17.

CVE-2026-31878

CVE-2026-31878 is a medium-severity vulnerability in Frappe with a CVSS 3.x base score of 5.0. 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-918.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-11290
Weakness: CWE-918
Affected product: Frappe
Published: 2026-03-11
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-31878?: CVE-2026-31878 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-31878 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-31878?: CVE-2026-31878 affects Frappe. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-31878?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-31878 have an EU (EUVD) identifier?: Yes. CVE-2026-31878 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11290.
When was CVE-2026-31878 published?: CVE-2026-31878 was published on 2026-03-11 and last updated on 2026-06-17.

References

https://github.com/frappe/frappe/security/advisories/GHSA-mggg-hmjm-j6c2

Affected products (1)

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

More vulnerabilities in Frappe

CVE-2026-35614 — Critical (CVSS 9.8): Frappe is a full-stack web application framework. Prior to 16.14.0 and 15.104.0, Frappe has a SQL injection in…
CVE-2026-31877 — Critical (CVSS 9.8): Frappe is a full-stack web application framework. Prior to 15.84.0 and 14.99.0, a specially crafted request made to a…
CVE-2019-14965 — Critical (CVSS 9.8): An issue was discovered in Frappe Framework 10 through 12 before 12.0.4. A server side template injection (SSTI) issue…
CVE-2025-67289 — Critical (CVSS 9.6): An arbitrary file upload vulnerability in the Attachments module of Frappe Framework v15.89.0 allows attackers to…
CVE-2026-31017 — Critical (CVSS 9.1): A Server-Side Request Forgery (SSRF) vulnerability exists in the Print Format functionality of ERPNext v16.0.1 and…
CVE-2026-39351 — Critical (CVSS 9.1): Frappe is a full-stack web application framework. Prior to 16.14.0 and 15.104.0, Frappe allows unrestricted Doctype…

All CVEs affecting Frappe →

Other CWE-918 (Server-Side Request Forgery (SSRF)) vulnerabilities

CVE-2026-47938 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9394 and earlier are affected by a Server-Side Request Forgery (SSRF)…
CVE-2026-35431 — Critical (CVSS 10.0): Server-side request forgery (ssrf) in Microsoft Entra ID Entitlement Management allows an unauthorized attacker to…
CVE-2026-32186 — Critical (CVSS 10.0): Server-side request forgery (ssrf) in Microsoft Bing allows an unauthorized attacker to elevate privileges over a…
CVE-2026-33107 — Critical (CVSS 10.0): Server-side request forgery (ssrf) in Azure Databricks allows an unauthorized attacker to elevate privileges over a…
CVE-2026-32871 — Critical (CVSS 10.0): FastMCP is a Pythonic way to build MCP servers and clients. Prior to version 3.2.0, the OpenAPIProvider in FastMCP…
CVE-2026-32169 — Critical (CVSS 10.0): Server-side request forgery (ssrf) in Azure Cloud Shell allows an unauthorized attacker to elevate privileges over a…

Browse all CWE-918 (Server-Side Request Forgery (SSRF)) vulnerabilities →