CVE-2026-109665: frappe erpnext Missing Authorization
CVSS: 5.3v4.0MediumDeferred
Published 12-10-2026Last modified 18-10-2026
Vulnerability summary
CVE-2026-109665 is a medium (CVSS 5.3) Missing Authorization vulnerability in frappe erpnext. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8.4% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v4.0 (NVD)EPSS score
0.19%
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.
- 18-10-2026Last modifiedVulnerability information updated.
Description
Frappe ERPNext before 15.108.0 and 16.x before 16.18.0 contains a missing authorization vulnerability in certain endpoints that fail to enforce proper permission checks. Authenticated low-privileged users can call these endpoints to deactivate master records, modifying data beyond their permitted role.
CVSS metrics
4 scores · 2 sources · 2 versionsMedium 5.3Preferred score · NVD (NIST)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/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.orgCNA5.3MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Medium 4.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NSourcesAll 2 agree
- CVE.orgCNA4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS trend
Probability
0.19%
Chance of exploitation in the next 30 days
Percentile
8%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
13-10-202621-10-2026
EPSS score0.19%
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< 15.108.0 | ≥ 16.0.0-beta.1, < 16.18.0
1 vendor · 1 product
References
2 links- www.vulncheck.com/advisories/…Third Party Advisory