CVE-2025-27154: Spotipy's cache file, containing spotify auth token, is created with overly broad permissions
Description
Spotipy is a lightweight Python library for the Spotify Web API. The `CacheHandler` class creates a cache file to store the auth token. Prior to version 2.25.1, the file created has `rw-r--r--` (644) permissions by default, when it could be locked down to `rw-------` (600) permissions. This leads to overly broad exposure of the spotify auth token. If this token can be read by an attacker (another user on the machine, or a process running as another user), it can be used to perform administrative actions on the Spotify account, depending on the scope granted to the token. Version 2.25.1 tightens the cache file permissions.
Classification
CVE ID: CVE-2025-27154
CVSS Base Severity: HIGH
CVSS Base Score: 8.4
CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Problem Types
CWE-276: Incorrect Default PermissionsAffected Products
Vendor: spotipy-dev
Product: spotipy
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.01% (probability of being exploited)
EPSS Percentile: 0.9% (scored less or equal to compared to others)
EPSS Date: 2025-03-28 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2025-27154https://github.com/spotipy-dev/spotipy/security/advisories/GHSA-pwhh-q4h6-w599
https://github.com/spotipy-dev/spotipy/commit/1ca453f6ef87a2a9e9876f52b6cb38d13532ccf2
https://github.com/spotipy-dev/spotipy/blob/master/spotipy/cache_handler.py#L93-L98
https://github.com/spotipy-dev/spotipy/releases/tag/2.25.1