Auth bypass in Cherryhq Cherry-Studio
CVE-2026-13524
A security vulnerability has been detected in CherryHQ cherry-studio up to 1.9.6. This vulnerability affects unknown code of the file src/main/services/mcp/oauth/callback.ts of the component MCP OAuth Local Callback Server. The manipulation of the argument code leads to improper authorization. The attack can be initiated remotely. The attack is considered to have high complexity. It is stated that the exploitability is difficult. The exploit has been disclosed publicly and may be used. The pull request to fix this issue awaits acceptance.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (34.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Cherryhq Cherry-Studio — versions 1.9.0, 1.9.1, 1.9.2
Weakness classification (CWE)
References
- vuldb.com/vuln/374532 (technical-description, vdb-entry)
- vuldb.com/vuln/374532/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-13524 (third-party-advisory)
- vuldb.com/submit/840175 (third-party-advisory)
- github.com/CherryHQ/cherry-studio/issues/15372 (issue-tracking, exploit)
- github.com/CherryHQ/cherry-studio/pull/15388 (issue-tracking, patch)
- github.com/CherryHQ/cherry-studio/ (product)
Frequently asked questions
- What is CVE-2026-13524?
- CVE-2026-13524 is a medium-severity vulnerability in Cherryhq Cherry-Studio, classified under Incorrect Privilege Assignment. CVSS score: 5.6/10. Published 2026-06-29.
- How severe is CVE-2026-13524?
- Medium severity. CVSS v3 base score is 5.6 out of 10.