Medium severity · published Mar 11, 2026
CVE-2026-31879
Frappe Workspace modification and stored XSS due to improper resource ownership checks
5.4
CVSS
0.1%
EPSS
No
On KEV
Description
Frappe is a full-stack web application framework. Prior to 14.100.2, 15.101.0, and 16.10.0, due to a lack of validation and improper permission checks, users could modify other user's private workspaces. Specially crafted requests could lead to stored XSS here. This vulnerability is fixed in 14.100.2, 15.101.0, and 16.10.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
frappe · frappe
< 16.10.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-31879
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-31879
Vendor Advisory
https://github.com/frappe/frappe/security/advisories/GHSA-qmhf-rgx2-8p25
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