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ERPNext EUVDEUVD-2026-60451

| CVE-2026-65974 CRITICAL
Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336)
2026-08-17 GitHub_M
9.9
CVSS 3.1 · Vendor: GitHub_M
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Severity by source

Vendor (GitHub_M) PRIMARY
9.9 CRITICAL
AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
vuln.today AI
9.9 CRITICAL

Network-reachable SSTI needing only a low-privilege account (PR:L, AV:N, AC:L, no UI); sandbox escape to host justifies scope change and full C/I/A impact.

3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Primary rating from Vendor (GitHub_M).

CVSS VectorVendor: GitHub_M

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Patch available
Aug 17, 2026 - 22:03 EUVD
Source Code Evidence Fetched
Aug 17, 2026 - 21:30 vuln.today
Analysis Generated
Aug 17, 2026 - 21:30 vuln.today
CVE Published
Aug 17, 2026 - 20:44 cve.org
CRITICAL 9.9

DescriptionCVE.org

ERPNext is a free and open source Enterprise Resource Planning tool. Prior to 15.111.0 and 16.22.0, limited authenticated users can cross a permission boundary in Frappe safe execution because frappe.render_template is exposed without forcing restrict_globals, allowing server-side template injection and remote code execution. This issue is fixed in versions 15.111.0 and 16.22.0.

AnalysisAI

Server-side template injection in ERPNext (Frappe framework) lets low-privileged authenticated users escape the Frappe safe-execution sandbox and achieve remote code execution on the server. The root cause is that frappe.render_template was exposed inside the safe_exec globals without forcing restrict_globals, so a user who can supply template content crosses a permission boundary into unrestricted Jinja evaluation. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Recon
Authenticate as limited ERPNext user
Delivery
Reach template-rendering feature
Exploit
Inject malicious Jinja/SSTI payload
Install
render_template runs without restrict_globals
C2
Escape safe_exec sandbox
Execute
Execute OS commands as server user
Impact
Full host compromise

Vulnerability AssessmentAI

Exploitation Requires an authenticated ERPNext account (PR:L) with the ability to supply or trigger rendering of Jinja template content through a Frappe feature that routes into safe_exec's render_safe_globals - for example custom print formats, email/notification templates, web templates/pages, or server scripts that call render_template. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The signals are largely aligned toward high priority: the CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H = 9.9) describes a network-reachable, low-complexity attack needing only limited privileges and no user interaction, with a scope change reflecting sandbox escape to full host compromise. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario A low-privileged ERPNext user with access to a feature that renders Jinja (such as a custom print format, notification template, or web template) injects a template payload like {{ ...os.popen('id')... }} that, once rendered by the unrestricted render_template inside safe_exec, executes attacker-controlled OS commands on the server. …
Remediation Vendor-released patch: upgrade ERPNext to 15.111.0 (for 15.x deployments) or 16.22.0 (for 16.x deployments), which pull in the corrected Frappe render_template handling; ensure the bundled Frappe framework is updated alongside ERPNext so commit 529d190a is present. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, inventory all ERPNext deployments and identify users with template-rendering permissions; immediately restrict access to essential personnel only and enable comprehensive audit logging of all template operations. …

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EUVD-2026-60451 vulnerability details – vuln.today

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