← Back
GHSA-c8qj-jx8j-fg2w
Vulnerability in DotVVM (GHSA-c8qj-jx8j-fg2w)
Summary
vulnerability in DotVVM (GHSA-c8qj-jx8j-fg2w). Risk of unauthorized operations or information disclosure. Exploitable via ``AuthorizeActionFilter``. Mitigation: upgrade to `5.0.0-preview09-final` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **GHSA-c8qj-jx8j-fg2w** has been found in DotVVM.
Attackers can target a specific entry point like ``AuthorizeActionFilter`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade DotVVM to **5.0.0-preview09-final** or later.
If unsure, ask your IT team or search "DotVVM GHSA-c8qj-jx8j-fg2w" on the vendor's site.
GHSA-c8qj-jx8j-fg2w (DotVVM) — CWE-862 /
Attack surface: `AuthorizeActionFilter` / `AuthorizeAttribute`
Patched: `5.0.0-preview09-final` — apply immediately
Workaround: As a workaround, you can use the `AuthorizeAttribute` instead.
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-862) exists in DotVVM. Attackers reach the vulnerable code path via ``AuthorizeActionFilter`` without authentication.
📍 Affected scope
DotVVM — . Attack surface: `AuthorizeActionFilter` / `AuthorizeAttribute`.
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **5.0.0-preview09-final**.
🛡️ Workaround
Workaround: As a workaround, you can use the `AuthorizeAttribute` instead.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'DotVVM' .` 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 'DotVVM' . | 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 `DotVVM` を grep し、稼働しているサービス・バージョンを把握する。
-
5Apply temporary workaround mitigate
As a workaround, you can use the `AuthorizeAttribute` instead.パッチが適用されるまでの応急処置として、As a workaround, you can use the `AuthorizeAttribute` instead. を実施。回避策の副作用 (機能低下) を確認した上で。
-
6Apply patch patch
Upgrade DotVVM to 5.0.0-preview09-finalステージング環境で 5.0.0-preview09-final 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
nuget
DotVVM
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.0-preview09-final"}]}]