{"apiVersion":"1.0","identifier":"CVE-2026-73409","description":"Budibase is an open-source low-code platform. Prior to 3.40.1, packages/server/src/integrations/mongodb.ts passed builder-controlled tlsCertificateKeyFile and tlsCAFile values directly to MongoClient on Budibase Cloud. A builder could submit absolute server paths through /api/datasources/verify and distinguish readable existing files from missing files by comparing the driver error, exposing a filesystem existence and readability oracle on the shared server. This issue is fixed in version 3.40.1.","publishedAt":"2026-08-12T20:17:55","lastModifiedAt":"2026-08-14T22:17:11","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73409","cvssScore":5.1,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/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:X","epssProbability":0.00191,"riskScore":0.52,"affectedProduct":"Budibase","affectedVersions":"<3.40.1","vulnerabilityType":"Web app","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-73409","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-73409","en":"https://www.redsauce.net/en/cves/CVE-2026-73409","fr":"https://www.redsauce.net/fr/cves/CVE-2026-73409","pt":"https://www.redsauce.net/pt/cves/CVE-2026-73409","de":"https://www.redsauce.net/de/cves/CVE-2026-73409","sk":"https://www.redsauce.net/sk/cves/CVE-2026-73409","el":"https://www.redsauce.net/el/cves/CVE-2026-73409"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-73409"}}