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DEBIAN-CVE-2026-28498
Vulnerability in python-authlib (DEBIAN-CVE-2026-28498)
Summary
vulnerability in python-authlib (DEBIAN-CVE-2026-28498). Data can be tampered with by attackers. Mitigation: upgrade to `0.15.4-1+deb11u2` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **DEBIAN-CVE-2026-28498** has been found in python-authlib.
Data can be tampered with by attackers. CVSS score: ?/10.
What to do: upgrade python-authlib to **0.15.4-1+deb11u2** or later.
If unsure, ask your IT team or search "python-authlib DEBIAN-CVE-2026-28498" on the vendor's site.
DEBIAN-CVE-2026-28498 (python-authlib) —
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: `0.15.4-1+deb11u2` — 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** (unclassified) exists in python-authlib.
📍 Affected scope
python-authlib — .
🔥 Severity
Severity: ?. Data can be tampered with by attackers
🔧 How to fix
Update to **0.15.4-1+deb11u2**.
🛡️ 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 'python-authlib' .` 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 'python-authlib' . | 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 `python-authlib` 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 python-authlib to 0.15.4-1+deb11u2ステージング環境で 0.15.4-1+deb11u2 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
Debian:11
python-authlib
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.15.4-1+deb11u2"}]}]
Debian:12
python-authlib
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:13
python-authlib
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:14
python-authlib
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.9-1"}]}]