CVE-2026-1776 — AI Deep Analysis Summary

Q: What is this vulnerability? (Essence + Consequences)

- **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

Q: Who is affected? (Versions/Components)

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

Q: What can hackers do? (Privileges/Data)

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

Q: Is exploitation threshold high? (Auth/Config)

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

Q: Is there a public Exp? (PoC/Wild Exploitation)

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

Q: How to self-check? (Features/Scanning)

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

Q: Is it fixed officially? (Patch/Mitigation)

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

Q: What if no patch? (Workaround)

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

Q: Is it urgent? (Priority Suggestion)

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

Updated Apr 27, 2026

This is a summary of the AI-generated 10-question deep analysis. The full version (longer answers, follow-up Q&A, related CVEs) requires login. Read the full analysis →

Q1What is this vulnerability? (Essence + Consequences)

- **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

Q2Root Cause? (CWE/Flaw)

- 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…

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Q3Who is affected? (Versions/Components)

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

Q4What can hackers do? (Privileges/Data)

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

Q5Is exploitation threshold high? (Auth/Config)

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

Q6Is there a public Exp? (PoC/Wild Exploitation)

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

Q7How to self-check? (Features/Scanning)

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

Q8Is it fixed officially? (Patch/Mitigation)

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

Q9What if no patch? (Workaround)

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

Q10Is it urgent? (Priority Suggestion)

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

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Vulnerability detail Full AI analysis (login) owen2345 CWE-22