What’s Vulnerable › Vulnerabilities

CVE-2026-13524: CherryHQ cherry-studio MCP OAuth Local Callback Server callback.ts improper authorization

• Severity: medium (CVSS 5.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-29 · updated 2026-10-25
• Weakness: CWE-266

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 products

• CherryHQ cherry-studio: 1.9.0, 1.9.1, 1.9.2, 1.9.3, 1.9.4, 1.9.5 (+1)

References

• https://github.com/CherryHQ/cherry-studio/
• https://github.com/CherryHQ/cherry-studio/issues/15372
• https://github.com/CherryHQ/cherry-studio/pull/15388
• https://vuldb.com/cve/CVE-2026-13524
• https://vuldb.com/submit/840175
• https://vuldb.com/vuln/374532
• https://vuldb.com/vuln/374532/cti
• https://vuldb.com/submit/840175

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