Auth bypass in Oss-Apps Splitpro
CVE-2026-122317
SplitPro through 2.1.6 contains an authorization bypass vulnerability that allows authenticated users to retrieve any account's details by supplying arbitrary userId values to user.getUserDetails. Attackers can iterate sequential integer user ids to harvest every user's email, name, avatar, currency, and bankingId and obapiProviderId open-banking identifiers.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/oss-apps/split-pro (product)
- github.com/oss-apps/split-pro/blob/v2.1.6/prisma/schema.prisma (technical-description)
- github.com/oss-apps/split-pro/blob/v2.1.6/src/server/api/routers/user.ts (technical-description)
- github.com/oss-apps/split-pro/issues/786 (issue-tracking)
- hackmd.io/@hieund/splitpro-trpc-idor-user-expense-disclosure (third-party-advisory)
- www.vulncheck.com/advisories/splitpro-through-2.1.6-authorization-bypass-via-us… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-122317?
- CVE-2026-122317 is a medium-severity vulnerability in Oss-Apps Splitpro, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-11-05.
- How severe is CVE-2026-122317?
- Medium severity. CVSS v3 base score is 4.3 out of 10.