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CVE-2026-23892
Vulnerability in octoprint (CVE-2026-23892)
Summary
vulnerability in octoprint (CVE-2026-23892). Confidential information can be exposed externally. Mitigation: upgrade to `1.11.6` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-23892** has been found in octoprint.
Confidential information can be exposed externally. CVSS score: ?/10.
What to do: upgrade octoprint to **1.11.6** or later.
If unsure, ask your IT team or search "octoprint CVE-2026-23892" on the vendor's site.
CVE-2026-23892 (octoprint) — CWE-208 /
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: `1.11.6` — apply immediately
Workaround: The likelihood of this attack actually working is highly dependent on the network's latency, noise and similar parameters.
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.
❓ What is the problem
**A vulnerability** (CWE-208) exists in octoprint.
📍 Affected scope
octoprint — .
🔥 Severity
Severity: ?. Confidential information can be exposed externally
🔧 How to fix
Update to **1.11.6**.
🛡️ Workaround
Workaround: The likelihood of this attack actually working is highly dependent on the network's latency, noise and similar parameters.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'octoprint' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r 'octoprint' . | 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 `octoprint` を grep し、稼働しているサービス・バージョンを把握する。
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5Apply temporary workaround mitigate
The likelihood of this attack actually working is highly dependent on the network's latency, noise and similar parameters.パッチが適用されるまでの応急処置として、The likelihood of this attack actually working is highly dependent on the network's latency, noise and similar parameters. を実施。回避策の副作用 (機能低下) を確認した上で。
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6Apply patch patch
Upgrade octoprint to 1.11.6ステージング環境で 1.11.6 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と、Step 3 で見つけた異常検知の続報チェックを含めること。
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7Post-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 Step 3 と同じログクエリでアラート再発が無いか継続監視。
Affected packages
PyPI
octoprint
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.11.6"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2026-23892
- advisory https://github.com/advisories/GHSA-xg4x-w2j3-57h6
- package https://github.com/OctoPrint/OctoPrint
- package https://pypi.org/project/octoprint
- web https://github.com/OctoPrint/OctoPrint/security/advisories/GHSA-xg4x-w2j3-57h6
- web https://github.com/OctoPrint/OctoPrint/commit/249fd80ab01bc4b7dabedff768230a0fb5d01a8c
- web https://github.com/OctoPrint/OctoPrint/releases/tag/1.11.6