TI-2026-75135 Aliases CVE-2026-111388

Frappe restrict_ip allowlist bypassed via API key and OAuth logins

LOW 23CWE-284Published 2026-10-16 · Updated 2026-10-16

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Security bypass
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

Frappe Framework before 15.120.0 and 16.x before 16.33.0 does not enforce the per-user restrict_ip allowlist for API key, OAuth and header-based authentication. A remote attacker holding valid credentials of these types can authenticate from IP addresses outside the allowlist, defeating the configured network access restrictions. The flaw is classified as CWE-284.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Frappe Framework before 15.120.0 and 16.x before 16.33.0 does not enforce the per-user restrict_ip allowlist for non-session authentication methods, including API key, OAuth, and header-based authentication. Attackers holding valid credentials of these types can authenticate from IP addresses outside the allowlist, defeating the configured network-based access restrictions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00174 6th percentileScored 2026-11-07

Fix Fixed frappe (frappe): 16.33.0, 15.120.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
frappe	frappe	16.0.0 to before 16.33.0	16.33.0	Patch available	CNA
frappe	frappe	before 15.120.0	15.120.0	Patch available	CNA

frappe Vendorfrappe Affected 16.0.0 to before 16.33.0 Fixed in 16.33.0 Patch available CNA
frappe Vendorfrappe Affected before 15.120.0 Fixed in 15.120.0 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:frappe:frappe::::::::	—	—	frappe

cpe:2.3:a:frappe:frappe:*:*:*:*:*:*:*:* Versions — — ·frappe

Remediation

Frappe Framework 16.x is fixed in 16.33.0 and 15.x is fixed in 15.120.0. Upgrade the frappe package to one of these versions.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Fix · CNA frappe (frappe) Fixed in 16.33.0
Fix · CNA frappe (frappe) Fixed in 15.120.0

Timeline

2026-10-16 Threatist record created from CVE-2026-111388
2026-10-16 CISA SSVC decision points changed

References

Advisory 1

GitHub Security Advisory (GHSA-h9jq-7pgf-hw8q)

TI-2026-28140 ERPNext v15.103.1 and before is vulnerable to Server-Side Template Injection (SSTI). CVSS 3.1CRITICAL 9.8
TI-2025-40873 An issue was discovered in Frappe ERPNext through 15.89.0. CVSS 3.1CRITICAL 9.8
TI-2025-40872 An issue was discovered in Frappe ERPNext through 15.89.0. CVSS 3.1CRITICAL 9.8
TI-2025-40871 A Server-Side Template Injection (SSTI) vulnerability exists in the Frappe ERPNext… CVSS 3.1CRITICAL 9.8
TI-2025-32462 In Frappe ERPNext 15.57.5, the function get_rfq_containing_supplier() at… CVSS 3.1HIGH 8.2
TI-2025-32461 In Frappe ERPNext 15.57.5, the function get_stock_balance_for() at… CVSS 3.1HIGH 8.2

See all 321 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences