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UBUNTU-CVE-2026-32597
Vulnerability in pyjwt (UBUNTU-CVE-2026-32597)
Summary
vulnerability in pyjwt (UBUNTU-CVE-2026-32597). Data can be tampered with by attackers. Mitigation: upgrade to `2.12.0` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **UBUNTU-CVE-2026-32597** has been found in pyjwt.
Data can be tampered with by attackers. CVSS score: ?/10.
What to do: upgrade pyjwt to **2.12.0** or later.
If unsure, ask your IT team or search "pyjwt UBUNTU-CVE-2026-32597" on the vendor's site.
UBUNTU-CVE-2026-32597 (pyjwt) —
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: `2.12.0` — 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 pyjwt.
📍 Affected scope
pyjwt — .
🔥 Severity
Severity: ?. Data can be tampered with by attackers
🔧 How to fix
Update to **2.12.0**.
🛡️ 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 'pyjwt' .` 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 'pyjwt' . | 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 `pyjwt` 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 pyjwt to 2.12.0ステージング環境で 2.12.0 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
Ubuntu:Pro:16.04:LTS
pyjwt
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.0-1ubuntu0.1+esm1"}]}]
Ubuntu:Pro:18.04:LTS
pyjwt
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.3+ds1-1ubuntu0.1+esm1"}]}]
Ubuntu:Pro:20.04:LTS
pyjwt
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.1-2ubuntu2.1+esm1"}]}]
Ubuntu:22.04:LTS
pyjwt
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.0-1ubuntu0.3"}]}]
Ubuntu:24.04:LTS
pyjwt
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.0-1ubuntu0.1"}]}]
Ubuntu:25.10
pyjwt
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.10.1-2ubuntu0.1"}]}]