← Back
CVE-2026-4224
high
CVSS 7.5
Vulnerability in libpython (CVE-2026-4224)
Summary
vulnerability in libpython (CVE-2026-4224). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `3.13.13, 3.14.4` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-4224** has been found in libpython.
Risk of unauthorized operations or information disclosure. CVSS score: 7.5/10.
What to do: upgrade libpython to **3.13.13, 3.14.4** or later.
If unsure, ask your IT team or search "libpython CVE-2026-4224" on the vendor's site.
CVE-2026-4224 (libpython) — CWE-674 / CVSS v3 7.5
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: `3.13.13, 3.14.4` — 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-674) exists in libpython.
📍 Affected scope
libpython — .
🔥 Severity
Severity: High (CVSS 7.5/10). Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **3.13.13, 3.14.4**.
🛡️ 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 'libpython' .` 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
-
1Identify exposure identify
grep -r 'libpython' . | 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 `libpython` を grep し、稼働しているサービス・バージョンを把握する。
-
6Apply patch patch
Upgrade libpython to 3.13.13, 3.14.4ステージング環境で 3.13.13, 3.14.4 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。
-
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
Bitnami
libpython
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.13.13"},{"introduced":"3.14.0"},{"fixed":"3.14.4"}]}]
Bitnami
python
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.13.13"},{"introduced":"3.14.0"},{"fixed":"3.14.4"}]}]
Bitnami
python-min
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.13.13"},{"introduced":"3.14.0"},{"fixed":"3.14.4"}]}]
References
- advisory [email protected]
- web http://www.openwall.com/lists/oss-security/2026/03/16/4
- web https://github.com/python/cpython/commit/196edfb06a7458377d4d0f4b3cd41724c1f3bd4a
- web https://github.com/python/cpython/commit/642865ddf4b232da1f3b1f7abcfa3254c4bfe785
- web https://github.com/python/cpython/commit/af856a7177326ac25d9f66cc6dd28b554d914fee
- web https://github.com/python/cpython/commit/e0a8a6da90597a924b300debe045cdb4628ee1f3
- web https://github.com/python/cpython/commit/eb0e8be3a7e11b87d198a2c3af1ed0eccf532768
- web https://github.com/python/cpython/issues/145986
- web https://github.com/python/cpython/pull/145987
- web https://nvd.nist.gov/vuln/detail/CVE-2026-4224
- web https://mail.python.org/archives/list/[email protected]/thread/5M7CGUW3XBRY7II4DK43KF7NQQ3TPZ6R
- web https://github.com/advisories/GHSA-h46w-ffvp-4pw5