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CVE-2022-32511
critical
CVSS 9.8
Unsafe Deserialization in jmespath (CVE-2022-32511)
Summary
vulnerability in jmespath (CVE-2022-32511). Successful exploitation can lead to full system takeover. Mitigation: upgrade to `1.6.1` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2022-32511** has been found in jmespath.
Successful exploitation can lead to full system takeover. CVSS score: 9.8/10.
What to do: upgrade jmespath to **1.6.1** or later.
If unsure, ask your IT team or search "jmespath CVE-2022-32511" on the vendor's site.
CVE-2022-32511 (jmespath) — CWE-502 / CVSS v3 9.8
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: `1.6.1` — 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
**unsafe deserialization** (CWE-502) exists in jmespath.
📍 Affected scope
jmespath — .
🔥 Severity
Severity: Critical (CVSS 9.8/10). Successful exploitation can lead to full system takeover
🔧 How to fix
Update to **1.6.1**.
🛡️ 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 'jmespath' .` 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 'jmespath' . | 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 `jmespath` 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 jmespath to 1.6.1ステージング環境で 1.6.1 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
rubygems
jmespath
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.1"}]}]
References
- web https://github.com/jmespath/jmespath.rb/compare/v1.6.0...v1.6.1
- web https://github.com/jmespath/jmespath.rb/pull/55
- web af854a3a-2127-422b-91ae-364da2661108
- web af854a3a-2127-422b-91ae-364da2661108
- web https://stackoverflow.com/a/30050571/580231
- web https://nvd.nist.gov/vuln/detail/CVE-2022-32511
- web https://github.com/rubysec/ruby-advisory-db/blob/master/gems/jmespath/CVE-2022-32511.yml
- web https://github.com/jmespath/jmespath.rb/commit/e8841280053a9d9a0c90f36223f926c8b9e4ec49
- web https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/376NUPIPTYBWWGS33GO4UOLQRI4D3BTP
- web https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AGZ2YWONVFFOPACHAT4MM7ZBT4DNHOF5
- web https://lists.fedoraproject.org/archives/list/[email protected]/message/376NUPIPTYBWWGS33GO4UOLQRI4D3BTP
- web https://lists.fedoraproject.org/archives/list/[email protected]/message/AGZ2YWONVFFOPACHAT4MM7ZBT4DNHOF5
- web https://github.com/advisories/GHSA-5c5f-7vfq-3732