CVE-2025-8533
Incorrect Authorization of XPC Service in Fantastical.app
- State
- Published
- Severity
- 6.9 Medium
- Published
- Aug 7, 2025
- Updated
- Aug 7, 2025
- Reserved
- Aug 4, 2025
Description
A vulnerability was identified in the XPC services of Fantastical. The services failed to implement proper client authorization checks in its listener:shouldAcceptNewConnection method, unconditionally accepting requests from any local process. As a result, any local, unprivileged process could connect to the XPC service and access its methods.
This issue has been resolved in version 4.0.16.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N | CERT-PL |
Weaknesses
- CWE-863 Incorrect Authorization
Affected Products
| Product | Versions |
|---|---|
FantasticalFlexibits |
|
References
- https://cert.pl/en/posts/2025/08/CVE-2025-8533third-party-advisory
- https://flexibits.com/fantasticalproduct
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