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CVE-2025-48044
Authorization Flaw in ash (CVE-2025-48044)
Summary
vulnerability in ash (CVE-2025-48044). Confidential information can be exposed externally. Exploitable via ``cond_expr``. Mitigation: upgrade to `3.7.1` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-48044** has been found in ash.
Attackers can target a specific entry point like ``cond_expr`` over the network to misuse the product.
Confidential information can be exposed externally. CVSS score: ?/10.
What to do: upgrade ash to **3.7.1** or later.
If unsure, ask your IT team or search "ash CVE-2025-48044" on the vendor's site.
CVE-2025-48044 (ash) — CWE-863 /
Attack vector: remote (network-reachable) / no user interaction
Attack surface: `cond_expr` / `complete_expr`
Patched: `3.7.1` — 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
**incorrect authorization** (CWE-863) exists in ash. Attackers reach the vulnerable code path via ``cond_expr`` without authentication.
📍 Affected scope
ash — . Attack surface: `cond_expr` / `complete_expr`.
🔥 Severity
Severity: ?. Confidential information can be exposed externally
🔧 How to fix
Update to **3.7.1**.
🛡️ 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 'ash' .` 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 'ash' . | 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 `ash` 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 ash to 3.7.1ステージング環境で 3.7.1 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
Hex
ash
[{"type":"SEMVER","events":[{"introduced":"3.6.3"},{"fixed":"3.7.1"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2025-48044
- package https://hex.pm/packages/ash
- package https://github.com/ash-project/ash
- web https://github.com/ash-project/ash/security/advisories/GHSA-pcxq-fjp3-r752
- web https://cna.erlef.org/cves/CVE-2025-48044.html
- web https://github.com/ash-project/ash/commit/8b83efa225f657bfc3656ad8ee8485f9b2de923d
- web https://osv.dev/vulnerability/EEF-CVE-2025-48044