CVE-2026-1776 — AI Deep Analysis Summary

- **CVE-2026-1776**: Path Traversal flaw in **Camaleon CMS** 🚨 - In AWS S3 uploader logic - Authenticated users may read **any file** on server 🗂️ - Risk: **Sensitive data leak**, config exposure

- Root cause: **Path traversal flaw** in upload handler 🔍 - Likely maps to **CWE-22**: Improper Limitation of Pathname to Restricted Directory ('Path Traversal') - Flaw in handling user-controlled paths during AWS S3…

- **Camaleon CMS** ≤ v2.9.0 ⚠️ - Also versions before commit `f54a77e` 🛠️ - Affects **AWS S3 uploader component** specifically

- Attackers need **authenticated access** 👤 - Can **read arbitrary files** from Web server FS 📁 - May access: configs, keys, source code, .env 💥

- **Low exploitation threshold** for insiders ✅ - Requires **login** (authenticated) 🔑 - No special config — just AWS S3 upload feature enabled

- **No public PoC** listed 🧪 - `pocs` array = empty 📭 - No sign of wild exploitation yet 🕵️

- Check if AWS S3 upload used in system 🔎 - Test authenticated upload with path tricks (e.g., `../../`) - Review logs for unusual file fetch paths 🧾

- ✅ **Official fix available** 🛡️ - Patch in commit `f54a77e2a7be601215ea1b396038c589a0cab9af` - Pull request #1127 tracks issue 🔧

- If no patch: **disable AWS S3 uploader** 🚫 - Restrict file access via **server-side path sanitization** 🧼 - Apply strict **authz checks** on file reads

- 🚨 **Urgent for authenticated environments** - High impact: full file read 😱 - Patch ASAP if AWS S3 upload enabled 🔥