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CVE-2025-46656
Vulnerability in markdownify (CVE-2025-46656)
Summary
vulnerability in markdownify (CVE-2025-46656). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `0.14.1` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-46656** has been found in markdownify.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade markdownify to **0.14.1** or later.
If unsure, ask your IT team or search "markdownify CVE-2025-46656" on the vendor's site.
CVE-2025-46656 (markdownify) — CWE-1284 /
Attack vector: local / unauthenticated / no user interaction
Patched: `0.14.1` — 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.
❓ What is the problem
**A vulnerability** (CWE-1284) exists in markdownify.
📍 Affected scope
markdownify — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **0.14.1**.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'markdownify' .` 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 'markdownify' . | 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 `markdownify` 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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6Apply patch patch
Upgrade markdownify to 0.14.1ステージング環境で 0.14.1 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
markdownify
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.14.1"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2025-46656
- advisory https://github.com/advisories/GHSA-7mpr-5m44-h73r
- package https://github.com/matthewwithanm/python-markdownify
- package https://pypi.org/project/markdownify
- web https://github.com/matthewwithanm/python-markdownify/issues/143
- web https://github.com/matthewwithanm/python-markdownify/commit/959561879693bf4a576f99c6733b50b01186aa08
- web https://github.com/matthewwithanm/python-markdownify/compare/0.14.0...0.14.1