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CVE-2026-30928 — Glances Exposes Unauthenticated Configuration Secrets

Affected: nicolargo glances

Glances is an open-source system cross-platform monitoring tool. Prior to 4.5.1, the /api/4/config REST API endpoint returns the entire parsed Glances configuration file (glances.conf) via self.config.as_dict() with no filtering of sensitive values. The configuration file contains credentials for all configured backend services including database passwords, API tokens, JWT signing keys, and SSL key passwords. This vulnerability is fixed in 4.5.1.

GHSA-gh4x-f7cq-wwx6 — Glances Exposes Unauthenticated Configuration Secrets

Affected: PyPI: Glances

### Summary The /api/4/config REST API endpoint returns the entire parsed Glances configuration file (glances.conf) via self.config.as_dict() with no filtering of sensitive values. The configuration file contains credentials for all configured backend services including database passwords, API tokens, JWT signing keys, and SSL key passwords.

### Details Root Cause: The as_dict() method in config.py iterates over every section and every key in the ConfigParser and returns them all as a flat dictionary. No sensitive key filtering or redaction is applied.

Affected Code: - _File: glances/outputs/glances_restful_api.py, lines 1154-1167_ ``` def _api_config(self): """Glances API RESTful implementation.

Return the JSON representation of the Glances configuration file HTTP/200 if OK HTTP/404 if others error """ try: # Get the RAW value of the config' dict args_json = self.config.as_dict() # <-- Returns ALL config including secrets except Exception as e: raise HTTPException(status.HTTP_404_NOT_FOUND, f"Cannot get config ({str(e)})") else: return GlancesJSONResponse(args_json) ```

- _File: glances/config.py, lines 280-287_ ``` def as_dict(self): """Return the configuration as a dict""" dictionary = {} for section in self.parser.sections(): dictionary[section] = {} for option in self.parser.options(section): dictionary[section][option] = self.parser.get(section, option) # No fi…

PYSEC-2026-2164

Affected: PyPI: glances