Information Disclosure in glances (CVE-2026-32609)
Summary
Vulnerability in glances (CVE-2026-32609). Confidential information can be exposed externally. Exploitable via _api_args. Mitigation: upgrade to 4.5.2 or later.
Original description
The description as published by the source.
Summary
The GHSA-gh4x fix (commit 5d3de60) addressed unauthenticated configuration secrets exposure on the /api/v4/config endpoints by introducing as_dict_secure() redaction. However, the /api/v4/args and /api/v4/args/{item} endpoints were not addressed by this fix. These endpoints return the complete command-line arguments namespace via vars(self.args), which includes the password hash (salt + pbkdf2_hmac), SNMP community strings, SNMP authentication keys, and the configuration file path. When Glances runs without --password (the default), these endpoints are accessible without any authentication.
Details
The secrets exposure fix (GHSA-gh4x, commit 5d3de60) modified three config-related endpoints to use as_dict_secure() when no password is configured:
# glances/outputs/glances_restful_api.py:1168 (FIXED)
args_json = self.config.as_dict() if self.args.password else self.config.as_dict_secure()
However, the _api_args and _api_args_item endpoints were not part of this fix and still return all arguments without any sanitization:
# glances/outputs/glances_restful_api.py:1222-1237
def _api_args(self):
try:
# Get the RAW value of the args dict
# Use vars to convert namespace to dict
args_json = vars(self.args)
except Exception as e:
raise HTTPException(status.HTTP_404_NOT_FOUND, f"Cannot get args ({str(e)})")
return GlancesJSONResponse(args_json)
And the item-specific endpoint:…
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-32609 has been found in glances.
Attackers can target a specific entry point like _api_args over the network to misuse the product.
Confidential information can be exposed externally.
What to do: upgrade glances to 4.5.2 or later.
If unsure, ask your IT team or search "glances CVE-2026-32609" on the vendor's site.
CVE-2026-32609 (glances) — CWE-200
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Attack surface: _api_args / _api_args_item / self.args / password
Patched: 4.5.2 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
Information disclosure (CWE-200) exists in glances. Attackers reach the vulnerable code path via _api_args without authentication.
Check the vendor advisory for the affected versions of glances. Attack surface: _api_args / _api_args_item / self.args / password.
Severity: ?. Confidential information can be exposed externally.
Update to 4.5.2.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'glances' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'glances' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
glancesを grep し、稼働しているサービス・バージョンを把握する。 -
2Apply patch patch
Upgrade glances to 4.5.2ステージング環境で 4.5.2 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
-
3Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2026-32609 glances
- Ubuntu UBUNTU-CVE-2026-32609 glances
References
- advisory nvd.nist.gov
- package github.com
- web github.com
- web github.com
- web github.com