CVE-2026-13524

CherryHQ cherry-studio MCP OAuth Local Callback Server callback.ts improper authorization

MEDIUM
5.6
CVSS Score
Published: June 29, 2026 at 01:45 AM UTC
Updated: October 25, 2026 at 05:10 PM UTC
1 product affected across 1 vendorCherry Studio

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Severity
MEDIUM5.6
Exploit prediction
EPSS 0.4%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/374532
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/374532/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-13524
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/840175
ExploitIssue Tracking
Source: cverecord
https://github.com/CherryHQ/cherry-studio/issues/15372
Issue TrackingPatch
Source: cverecord
https://github.com/CherryHQ/cherry-studio/pull/15388

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.6MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-285CWE-266

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