Insertion of Sensitive Information Into Sent Data Affecting github.com/fleetdm/fleet/v4/server/fleet package, versions >=4.48.0 <4.80.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMFLEETDMFLEETV4SERVERFLEET-15367388
- published2 Mar 2026
- disclosed26 Feb 2026
- creditSecfox
Introduced: 26 Feb 2026
CVE-2026-27465 Â (opens in a new tab)How to fix?
Upgrade github.com/fleetdm/fleet/v4/server/fleet to version 4.80.1 or higher.
Overview
Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data via the Google Calendar integration configuration response in the app config endpoint. An attacker can retrieve the service account’s API key JSON (including private key material) by fetching that endpoint even when assigned a low-privilege role.
Workaround
Remove the Google Calendar integration and rotate the affected Google Workspace service account credentials until the upgrade can be applied.