CVE-2026-13524: Improper Authorization in CherryHQ cherry-studio
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.
AI Analysis
Technical Summary
This vulnerability affects the MCP OAuth Local Callback Server in CherryHQ cherry-studio versions 1.9.0 through 1.9.6. Specifically, improper authorization arises from manipulation of the 'code' argument in the file src/main/services/mcp/oauth/callback.ts. The vulnerability allows remote attackers to potentially bypass authorization controls. Exploitation complexity is high, and no privileges or user interaction are required. Although the exploit has been publicly disclosed, no official patch or remediation has been released yet; a pull request with a fix is pending acceptance.
Potential Impact
The vulnerability could allow unauthorized access due to improper authorization checks in the OAuth callback handling. However, the high attack complexity and lack of required privileges reduce the likelihood of successful exploitation. The CVSS 4.0 base score of 6.3 reflects a medium severity impact with limited confidentiality, integrity, and availability impact.
Mitigation Recommendations
No official fix or patch is currently available. A pull request addressing the issue is awaiting acceptance. Users should monitor the vendor's repository or advisory channels for the official patch release. Until then, consider restricting access to the affected component or implementing additional authorization checks as a temporary measure.
CVE-2026-13524: Improper Authorization in CherryHQ cherry-studio
Description
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.
CVSS v4.0
Score 6.3medium
Affected software
pkg:github/cherryhq/cherry-studiocpe:2.3:a:cherryhq:cherry-studio:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the MCP OAuth Local Callback Server in CherryHQ cherry-studio versions 1.9.0 through 1.9.6. Specifically, improper authorization arises from manipulation of the 'code' argument in the file src/main/services/mcp/oauth/callback.ts. The vulnerability allows remote attackers to potentially bypass authorization controls. Exploitation complexity is high, and no privileges or user interaction are required. Although the exploit has been publicly disclosed, no official patch or remediation has been released yet; a pull request with a fix is pending acceptance.
Potential Impact
The vulnerability could allow unauthorized access due to improper authorization checks in the OAuth callback handling. However, the high attack complexity and lack of required privileges reduce the likelihood of successful exploitation. The CVSS 4.0 base score of 6.3 reflects a medium severity impact with limited confidentiality, integrity, and availability impact.
Mitigation Recommendations
No official fix or patch is currently available. A pull request addressing the issue is awaiting acceptance. Users should monitor the vendor's repository or advisory channels for the official patch release. Until then, consider restricting access to the affected component or implementing additional authorization checks as a temporary measure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-06-28T07:50:21.081Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a41da2e27e9c797191382c2
Added to database: 06/29/2026, 02:36:30 UTC
Last enriched: 07/06/2026, 22:22:23 UTC
Last updated: 08/13/2026, 00:41:09 UTC
Views: 96
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.