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Q1What is this vulnerability? (Essence + Consequences)
🔍 **Root Cause**: **CWE-94** (Code Injection). The flaw lies in the **Echo service** failing to restrict the SPeL context. ⚠️ It permits the use of **arbitrary Java classes**, bypassing security controls.
Q3Who is affected? (Versions/Components)
📦 **Affected Products**: Spinnaker (Continuous Delivery Platform). 📉 **Vulnerable Versions**: < 2026.1.0, < 2026.0.1, < 2025.4.2, and < 2025.3.2. ✅ **Safe**: Versions 2026.1.0, 2026.0.1, 2025.4.2, and 2025.3.2 or newer.
Q4What can hackers do? (Privileges/Data)
💀 **Attacker Capabilities**: With access, hackers can: 1️⃣ Execute **system commands** (RCE). 2️⃣ Read/Write **sensitive files**. 📂 This grants full control over the underlying infrastructure running Spinnaker.
Q5Is exploitation threshold high? (Auth/Config)
🔐 **Exploitation Threshold**: **Medium**. CVSS indicates **PR:L** (Privileges Required: Low). 👤 An authenticated user with low-level privileges can exploit this. No user interaction (UI:N) needed.…
🧪 **Public Exploit**: **No**. The `pocs` field is empty in the data. 🚫 No public Proof-of-Concept (PoC) or wild exploitation code is currently available based on this report.
Q7How to self-check? (Features/Scanning)
🔎 **Self-Check**: 1️⃣ Check your Spinnaker version against the safe list. 2️⃣ Audit access to the **Echo service**. 3️⃣ Monitor for unusual SPeL payloads in API requests targeting Echo.…
🛡️ **Official Fix**: **Yes**. Patches are available in releases: **2026.1.0**, **2026.0.1**, **2025.4.2**, and **2025.3.2**. 🔗 See GitHub Security Advisories (GHSA-69rw-45wj-g4v6) for details.
Q9What if no patch? (Workaround)
🚧 **No Patch Workaround**: If you cannot upgrade immediately: 1️⃣ **Restrict network access** to the Echo service. 2️⃣ **Enforce strict authentication** (high-privilege accounts only).…
⚡ **Urgency**: **HIGH**. CVSS Score is **Critical** (likely 9.8+ based on vector). 🚨 RCE and File Access risks are severe. 🏃♂️ **Action**: Upgrade to a patched version **immediately**. Do not delay.