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CVE-2026-42303
Vulnerability in ethyca-fides (CVE-2026-42303)
Summary
vulnerability in ethyca-fides (CVE-2026-42303). Risk of unauthorized operations or information disclosure. Exploitable via ``true``. Mitigation: upgrade to `2.83.2` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-42303** has been found in ethyca-fides.
Attackers can target a specific entry point like ``true`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade ethyca-fides to **2.83.2** or later.
If unsure, ask your IT team or search "ethyca-fides CVE-2026-42303" on the vendor's site.
CVE-2026-42303 (ethyca-fides) — CWE-288 /
Attack surface: `true` / `subject_identity_verification_required` / `false` / `fides.toml`
Patched: `2.83.2` — 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
**A vulnerability** (CWE-288) exists in ethyca-fides. Attackers reach the vulnerable code path via ``true`` without authentication.
📍 Affected scope
ethyca-fides — . Attack surface: `true` / `subject_identity_verification_required` / `false` / `fides.toml`.
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **2.83.2**.
🛡️ 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 'ethyca-fides' .` 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 'ethyca-fides' . | 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 `ethyca-fides` 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 ethyca-fides to 2.83.2ステージング環境で 2.83.2 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。
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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
pip
ethyca-fides
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.83.2"}]}]
References
- web https://github.com/ethyca/fides/commit/0e320b20934eb5af3a3d5127dba2691605d7ff37
- web https://github.com/ethyca/fides/commit/e7a6527b0f9fdc9887b86a89bb5453e7421882dd
- web https://github.com/ethyca/fides/pull/7971
- web https://github.com/ethyca/fides/pull/7972
- web https://github.com/ethyca/fides/releases/tag/2.83.2
- web https://github.com/ethyca/fides/security/advisories/GHSA-qx5f-ghc2-7g5c
- web https://nvd.nist.gov/vuln/detail/CVE-2026-42303
- web https://github.com/advisories/GHSA-qx5f-ghc2-7g5c