Skip to content
Heist/ feed
Back to feed
Critical

Glances's Browser API Exposes Reusable Downstream Credentials via `/api/4/serverslist`

Type: advisorySources: OSV

Glances is an open-source system cross-platform monitoring tool. Prior to version 4.5.2, in Central Browser mode, the `/api/4/serverslist` endpoint returns raw server objects from `GlancesServersList.get_servers_list()`. Those objects are mutated in-place during background polling and can contain a `uri` field with embedded HTTP Basic credentials for downstream Glances servers, using the reusable pbkdf2-derived Glances authentication secret. If the front Glances Browser/API instance is started without `--password`, which is supported and common for internal network deployments, `/api/4/serverslist` is completely unauthenticated. Any network user who can reach the Browser API can retrieve reusable credentials for protected downstream Glances servers once they have been polled by the browser instance. Version 4.5.2 fixes the issue.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-32633
Confirmed fixed CVEs
Not specified
Updated in this feed
2 Nov 2026, 19:57 UTC · Revision 1

Source evidence

Glances's Browser API Exposes Reusable Downstream Credentials via `/api/4/serverslist`

core-osv · Original source

Published 18 Mar 2026, 17:53 UTC

Glances is an open-source system cross-platform monitoring tool. Prior to version 4.5.2, in Central Browser mode, the `/api/4/serverslist` endpoint returns raw server objects from `GlancesServersList.get_servers_list()`. Those objects are mutated in-place during background polling and can contain a `uri` field with embedded HTTP Basic credentials for downstream Glances servers, using the reusable pbkdf2-derived Glances authentication secret. If the front Glances Browser/API instance is started without `--password`, which is supported and common for internal network deployments, `/api/4/serverslist` is completely unauthenticated. Any network user who can reach the Browser API can retrieve reusable credentials for protected downstream Glances servers once they have been polled by the browser instance. Version 4.5.2 fixes the issue.

osv:CVE-2026-32633
Complete source record
{
  "id": "d3b943b9e4201251cd4cd33992c5ac1c9a72730069bf292b5765235560af9c99",
  "url": "https://osv.dev/vulnerability/CVE-2026-32633",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Glances's Browser API Exposes Reusable Downstream Credentials via `/api/4/serverslist`",
    "summary": "Glances is an open-source system cross-platform monitoring tool. Prior to version 4.5.2, in Central Browser mode, the `/api/4/serverslist` endpoint returns raw server objects from `GlancesServersList.get_servers_list()`. Those objects are mutated in-place during background polling and can contain a `uri` field with embedded HTTP Basic credentials for downstream Glances servers, using the reusable pbkdf2-derived Glances authentication secret. If the front Glances Browser/API instance is started without `--password`, which is supported and common for internal network deployments, `/api/4/serverslist` is completely unauthenticated. Any network user who can reach the Browser API can retrieve reusable credentials for protected downstream Glances servers once they have been polled by the browser instance. Version 4.5.2 fixes the issue.",
    "evidence": "osv:CVE-2026-32633",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-32633",
      "aliases": [
        "CVE-2026-32633",
        "GHSA-r297-p3v4-wp8m",
        "PYSEC-2026-343"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/nicolargo/glances",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "a56a5b78ef931b1d1391c9898bf735a5b4323ec9"
                },
                {
                  "fixed": "879ef8688ffa1630839549751d3c7ef9961d361e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:nicolargo:glances:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "4.5.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "879ef8688ffa1630839549751d3c7ef9961d361e"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "a56a5b78ef931b1d1391c9898bf735a5b4323ec9"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v4.5.2"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v4.5.1",
            "v4.5.0.5",
            "v4.5.0.4",
            "v4.5.0.3",
            "v4.5.0.2",
            "v4.5.0.1",
            "v4.5.0",
            "v4.4.1",
            "v4.4.0",
            "v4.3.3",
            "v4.3.2",
            "v4.3.1",
            "v4.3.0.8",
            "v4.3.0.7",
            "v4.3.0.6",
            "v4.3.0.3",
            "v4.3.0.2",
            "v4.3.0.1",
            "v4.3.0",
            "v4.2.0",
            "v3.4.0",
            "v3.3.1",
            "v3.3.0.1",
            "v3.3.0",
            "v3.2.7",
            "v3.2.6",
            "v3.2.5",
            "v3.2.4.2",
            "v3.2.4.1",
            "v3.2.4",
            "v3.2.3.1",
            "v3.2.3",
            "v3.2.2",
            "v3.2.1",
            "v3.2.0",
            "v3.1.7",
            "v3.1.6.1",
            "v3.1.5",
            "v3.1.4",
            "v3.1.3",
            "v3.1.2",
            "v3.1.1",
            "v3.1.0",
            "v3.0",
            "v2.11",
            "v2.10",
            "v2.9.1",
            "v2.9.0",
            "v2.8.8",
            "v2.8.7",
            "v2.8.6",
            "v2.8.5",
            "v2.8.4",
            "v2.8.3",
            "v2.8.2",
            "v2.8.1",
            "v2.8",
            "v2.7.1",
            "v2.7",
            "v2.7_RC1",
            "v2.5.1",
            "v2.5",
            "v2.4.2",
            "v2.4.1",
            "v2.3",
            "v2.2",
            "v1.7.3",
            "v1.7.2",
            "v1.7.1",
            "v1.7",
            "v1.6.1",
            "v1.6",
            "v1.5.2",
            "v1.5.1",
            "v1.5",
            "v1.4.2.1",
            "v1.4.2",
            "v1.4.1.1",
            "v1.4.1",
            "v1.4",
            "v1.3.7",
            "v1.3.6",
            "v1.3.5",
            "v1.3.4",
            "v1.3.3",
            "v1.3.2",
            "v1.3.1",
            "v1.3",
            "v1.2",
            "v1.1.3",
            "v1.1.2",
            "v1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-32633.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:23.152499287Z",
      "provider": "osv",
      "references": [
        "https://github.com/nicolargo/glances/releases/tag/v4.5.2",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32633.json",
        "https://github.com/nicolargo/glances/security/advisories/GHSA-r297-p3v4-wp8m",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-32633",
        "https://github.com/nicolargo/glances/commit/879ef8688ffa1630839549751d3c7ef9961d361e"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-200",
          "CWE-522"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32633.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-32633",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 489461,
  "published_at": "2026-03-18T17:53:11.263+00:00"
}