CVE-2026-13524
CherryHQ cherry-studio MCP OAuth Local Callback Server callback.ts improper authorization
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.
INFO
Published Date :
June 29, 2026, 3:16 a.m.
Last Modified :
June 30, 2026, 6:16 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Update cherry-studio to a version that includes the fix.
- Review and accept the pull request for the fix.
- Secure the OAuth callback endpoint.
- Validate authorization logic.
Public PoC/Exploit Available at Github
CVE-2026-13524 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-13524.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-13524 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-13524
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
The Project shares all information on MCP related CVE's published
mcp mcp-security mcp-cve
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-13524 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-13524 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 30, 2026
Action Type Old Value New Value Added Reference https://vuldb.com/submit/840175 Added SSVC {'id': 'CVE-2026-13524', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-30T17:25:37.210636Z'} -
New CVE Received by [email protected]
Jun. 29, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:cherryhq:cherry-studio:*:*:*:*:*:*:*:*'], 'vendor': 'CherryHQ', 'modules': ['MCP OAuth Local Callback Server'], 'product': 'cherry-studio', 'versions': [{'status': 'affected', 'version': '1.9.0'}, {'status': 'affected', 'version': '1.9.1'}, {'status': 'affected', 'version': '1.9.2'}, {'status': 'affected', 'version': '1.9.3'}, {'status': 'affected', 'version': '1.9.4'}, {'status': 'affected', 'version': '1.9.5'}, {'status': 'affected', 'version': '1.9.6'}]}] Added 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. Added CVSS V4.0 AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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 Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:N/AC:H/Au:N/C:P/I:P/A:P) Added CWE CWE-285 Added CWE CWE-266 Added Reference https://github.com/CherryHQ/cherry-studio/ Added Reference https://github.com/CherryHQ/cherry-studio/issues/15372 Added Reference https://github.com/CherryHQ/cherry-studio/pull/15388 Added Reference https://vuldb.com/cve/CVE-2026-13524 Added Reference https://vuldb.com/submit/840175 Added Reference https://vuldb.com/vuln/374532 Added Reference https://vuldb.com/vuln/374532/cti