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High severity · published Oct 12, 2026
CVE-2026-109652
Frappe ERPNext before 15.119.1 Server-Side Template Injection via Message Fields
8.8
CVSS
0.3%
EPSS
No
On KEV
Description
Frappe ERPNext before 15.119.1 and 16.x before 16.32.0 contains a server-side template injection vulnerability because user-controlled message fields are not validated before template rendering, allowing expressions to run in an unrestricted context. Authenticated attackers holding a common operational role can inject template expressions to read and write arbitrary database data, delete documents, send outbound requests from the server, and send mail from the site.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ER
erpnext · frappe
before 15.119.1; 16.0.0-beta.1 before 16.32.0 · source: vendor
Affected product
ER
erpnext
frappe
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-109652
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-109652
vendor-advisory
https://github.com/frappe/erpnext/security/advisories/GHSA-6w83-8777-v93q
third-party-advisory
https://www.vulncheck.com/advisories/frappe-erpnext-before-15.119.1-server-side-template-injection-via-message-fields
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