CVE-2026-109666: frappe erpnext Missing Authorization
CVSS: 7.1v4.0HighDeferred
Published 12-10-2026Last modified 15-10-2026
Vulnerability summary
CVE-2026-109666 is a high (CVSS 7.1) Missing Authorization vulnerability in frappe erpnext. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.9% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v4.0 (NVD)EPSS score
0.22%
0%100%
Low · Change unavailableKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-10-2026PublishedVulnerability first disclosed.
- 15-10-2026Last modifiedVulnerability information updated.
Description
Frappe ERPNext before 15.110.0 and 16.x before 16.21.0 contains a missing authorization vulnerability in certain endpoints that fail to enforce proper permission checks on inventory records. Authenticated users can send requests to these endpoints to modify inventory data beyond what their assigned role permits.
CVSS metrics
4 scores · 2 sources · 2 versionsHigh 7.1Preferred score · NVD (NIST)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XSourcesAll 2 agree
- CVE.orgCNA7.1HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Medium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NSourcesAll 2 agree
- CVE.orgCNA6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
12%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
13-10-202621-10-2026
EPSS score0.22%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Frappe1 product
- erpnext< 15.110.0 | ≥ 16.0.0-beta.1, < 16.21.0
1 vendor · 1 product
References
2 links- www.vulncheck.com/advisories/…Third Party Advisory