CVE-2026-25137 — AI Deep Analysis Summary

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

🚨 **Essence**: Nixpkgs database manager is exposed without authentication. 💥 **Consequences**: Unauthorized access to the database, leading to potential data theft or system compromise.

Q: Root Cause? (CWE/Flaw)

🛡️ **CWE-552**: Files or directories accessible to the wrong actor. 🔍 **Flaw**: The database interface lacks proper access controls, leaving it open to the public.

Q: Who is affected? (Versions/Components)

📦 **Affected**: Nixpkgs versions **21.11** through **25.11** (before 26.05). 🏢 **Vendor**: NixOS.

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

🕵️ **Hackers Can**: Access the database directly. 🔓 **Privileges**: No authentication required. 📉 **Impact**: High Confidentiality (C:H) and High Availability (A:H) impact.

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

⚡ **Threshold**: LOW. 🔑 **Auth**: None required (PR:N). 🌐 **Access**: Network accessible (AV:N). 🎯 **Complexity**: Low (AC:L).

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

🚫 **Public Exploit**: No PoC provided in data. 📉 **Wild Exploitation**: Unlikely immediate widespread abuse, but easy to exploit manually.

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

🔍 **Self-Check**: Scan for exposed Nixpkgs database ports/interfaces. 🛡️ **Verify**: Ensure no public access to the database manager endpoint.

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

✅ **Fixed**: Yes. 🔗 **Patch**: See GitHub Advisory [GHSA-cwmq-6wv5-f3px](https://github.com/NixOS/nixpkgs/security/advisories/GHSA-cwmq-6wv5-f3px). 📝 **PRs**: #485310, #485454.

Q: What if no patch? (Workaround)

🛡️ **Workaround**: Restrict network access to the database manager. 🔒 **Mitigation**: Implement authentication if immediate patching isn't possible.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: HIGH. ⚠️ **Reason**: CVSS Score indicates Critical impact (High Conf/Avail) with no auth needed. Patch immediately!

Updated May 06, 2026 CVSS 9.1 · Critical

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)

🚨 **Essence**: Nixpkgs database manager is exposed without authentication. <br>💥 **Consequences**: Unauthorized access to the database, leading to potential data theft or system compromise.

Q2Root Cause? (CWE/Flaw)

🛡️ **CWE-552**: Files or directories accessible to the wrong actor. <br>🔍 **Flaw**: The database interface lacks proper access controls, leaving it open to the public.

Q3Who is affected? (Versions/Components)

📦 **Affected**: Nixpkgs versions **21.11** through **25.11** (before 26.05). <br>🏢 **Vendor**: NixOS.

Q4What can hackers do? (Privileges/Data)

🕵️ **Hackers Can**: Access the database directly. <br>🔓 **Privileges**: No authentication required. <br>📉 **Impact**: High Confidentiality (C:H) and High Availability (A:H) impact.

Q5Is exploitation threshold high? (Auth/Config)

⚡ **Threshold**: LOW. <br>🔑 **Auth**: None required (PR:N). <br>🌐 **Access**: Network accessible (AV:N). <br>🎯 **Complexity**: Low (AC:L).

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

🚫 **Public Exploit**: No PoC provided in data. <br>📉 **Wild Exploitation**: Unlikely immediate widespread abuse, but easy to exploit manually.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for exposed Nixpkgs database ports/interfaces. <br>🛡️ **Verify**: Ensure no public access to the database manager endpoint.

Q8Is it fixed officially? (Patch/Mitigation)

✅ **Fixed**: Yes. <br>🔗 **Patch**: See GitHub Advisory [GHSA-cwmq-6wv5-f3px](https://github.com/NixOS/nixpkgs/security/advisories/GHSA-cwmq-6wv5-f3px). <br>📝 **PRs**: #485310, #485454.

Q9What if no patch? (Workaround)

🛡️ **Workaround**: Restrict network access to the database manager. <br>🔒 **Mitigation**: Implement authentication if immediate patching isn't possible.

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: HIGH. <br>⚠️ **Reason**: CVSS Score indicates Critical impact (High Conf/Avail) with no auth needed. Patch immediately!

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Vulnerability detail Full AI analysis (login) NixOS CWE-552