High 8.4Published Sep 14, 2026

CVE-2026-54447garminconnect: Insecure Permission Assignment for Garmin OAuth Token Store

Updated under an hour ago (2026-10-19 08:30 UTC)

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It affects cyberjunky python-garminconnect. Add what you run to find out whether that includes you.

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Every CVE for cyberjunky python-garminconnect

Exploited in the last 30 days

garminconnect is a Python 3 API wrapper for Garmin Connect that retrieves statistics and manages activities. Prior to 0.3.5, garminconnect/client.py Client.dump creates the OAuth token directory and garmin_tokens.json without explicit owner-only modes, so a permissive umask such as 022 can leave the directory mode at 0755 and the token file mode at 0644. garmin_tokens.json contains di_refresh_token, and another unprivileged user on a shared Linux or macOS host can read the token and obtain persistent access to the victim's Garmin Connect account, including health, fitness, activity, and device data. The Garmin.login tokenstore path is affected, and a pre-existing loosely permissioned token file remains exposed until rewritten or manually restricted. This issue is fixed in version 0.3.5.

CVSS: 8.4 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Weakness (CWE): CWE-732
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Deferred
Record last updated: Sep 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

cyberjunky python-garminconnect cyberjunky:python_garminconnect (from the name)	before 0.3.5	CNA record

References

https://github.com/cyberjunky/python-garminconnect/security/advisories/GHSA-wjhr-76vg-2hvcx-refsource-confirm
https://github.com/cyberjunky/python-garminconnect/commit/8256b577190b446e279c81b845d8e27d0ea1fbf5x-refsource-misc
https://github.com/cyberjunky/python-garminconnect/releases/tag/0.3.5x-refsource-misc

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.