CherryHQ cherry-studio MCP OAuth Local Callback Server callback.ts improper authorization
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Privilege escalation, Security bypass
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-266 and CWE-285.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| CherryHQ | cherry-studio | 1.9.0; 1.9.1; 1.9.2; 1.9.3; 1.9.4; 1.9.5; 1.9.6 | — | No fix listed | CNA |
- cherry-studio VendorCherryHQ Affected 1.9.0; 1.9.1; 1.9.2; 1.9.3; 1.9.4; 1.9.5; 1.9.6 Fixed in — No fix listed CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cherryhq:cherry-studio:*:*:*:*:*:*:*:* | — | — | — |
- cpe:2.3:a:cherryhq:cherry-studio:*:*:*:*:*:*:*:* Versions — — ·—
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-13524
- 2026-10-03 Alias added: GHSA-9c5h-h4mj-p5ch
References
More CherryHQ vulnerabilities
- TI-2025-38278 Cherry Studio allows one-click on a specific URL to cause a command to execute CVSS 3.1CRITICAL 9.7
- TI-2025-34191 Cherry Studio RCE Vulnerability Disclosure CVSS 3.1CRITICAL 9.7
- TI-2025-33908 Cherry Studio One-click Remote Code Execution Vulnerability through Custom URL Handling CVSS 3.1CRITICAL 9.6
- TI-2026-29251 Cherry Studio RCE via SearchService nodeIntegration Misconfiguration CVSS 4.0HIGH 8.6
- TI-2025-33917 Cherry Studio is Vulnerable to OS Command Injection during Connection with a Malicious MCP Server CVSS 4.0HIGH 7.7
- TI-2026-11459 CherryHQ cherry-studio CherryIN Preload API MemoryService.ts sha256 authorization CVSS 4.0LOW 2.3
Sources
- CVE-2026-13524 · CVE Program
- CVE-2026-13524 · NVD
- FIRST EPSS
- GHSA-9c5h-h4mj-p5ch · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences