← Back
CVE-2026-32687
high
CVSS 7.8
SQL Injection in postgrex (CVE-2026-32687)
Summary
SQL injection in postgrex (CVE-2026-32687). Successful exploitation can lead to full system takeover. Mitigation: upgrade to `0.22.2` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-32687** has been found in postgrex.
Successful exploitation can lead to full system takeover. CVSS score: 7.8/10.
What to do: upgrade postgrex to **0.22.2** or later.
If unsure, ask your IT team or search "postgrex CVE-2026-32687" on the vendor's site.
CVE-2026-32687 (postgrex) — CWE-89 / CVSS v3 7.8
Attack vector: local / no user interaction
Patched: `0.22.2` — 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
**SQL injection** (CWE-89) exists in postgrex.
📍 Affected scope
postgrex — .
🔥 Severity
Severity: High (CVSS 7.8/10). Successful exploitation can lead to full system takeover
🔧 How to fix
Update to **0.22.2**.
🛡️ 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 'postgrex' .` 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 'postgrex' . | 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 `postgrex` 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 postgrex to 0.22.2ステージング環境で 0.22.2 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
Hex
postgrex
[{"type":"SEMVER","events":[{"introduced":"0.16.0"},{"fixed":"0.22.2"}]}]
erlang
postgrex
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.22.2"}]}]
References
- advisory https://github.com/elixir-ecto/ecto/security/advisories/GHSA-r73h-97w8-m54h
- advisory 6b3ad84c-e1a6-4bf7-a703-f496b71e49db
- advisory https://nvd.nist.gov/vuln/detail/CVE-2026-32687
- package https://github.com/elixir-ecto/ecto
- package https://hex.pm/packages/postgrex
- patch https://github.com/elixir-ecto/postgrex/commit/7cdedbd4316bb65f82e6a9a4f922c0ac491cb770
- web https://cna.erlef.org/cves/CVE-2026-32687.html
- web https://github.com/advisories/GHSA-r73h-97w8-m54h