From 08e5b378675ed2777a87516bdbc2142b3e86f29e Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Thu, 15 Jan 2026 21:53:00 +0000 Subject: [PATCH 1/3] Initial plan From 68c371da21c39938df3bfb7964718d095aa5d46b Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Thu, 15 Jan 2026 21:56:12 +0000 Subject: [PATCH 2/3] Add security assessment documentation for CVE-2025-61686 Co-authored-by: saoc90 <7711719+saoc90@users.noreply.github.com> --- SECURITY_ASSESSMENT.md | 83 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 SECURITY_ASSESSMENT.md diff --git a/SECURITY_ASSESSMENT.md b/SECURITY_ASSESSMENT.md new file mode 100644 index 000000000..f460ab1ed --- /dev/null +++ b/SECURITY_ASSESSMENT.md @@ -0,0 +1,83 @@ +# Security Assessment: React Router CVE-2025-61686 + +**Assessment Date:** January 15, 2026 +**Vulnerability:** CVE-2025-61686 (Critical - CVSS 9.8) +**Status:** ✅ NOT AFFECTED + +## Executive Summary + +This repository has been assessed for the critical React Router vulnerability (CVE-2025-61686) that allows attackers to access or modify server files via directory traversal. **The repository is NOT affected by this vulnerability.** + +## Vulnerability Details + +### CVE-2025-61686 Overview +- **Severity:** Critical (CVSS v3 Score: 9.8) +- **Attack Vector:** Network-based +- **Flaw Type:** Remote Code Execution / Denial of Service / Unauthorized File Access + +### Affected Packages +The vulnerability affects the following packages: + +| Package Name | Affected Versions | Fixed Version | +|--------------|-------------------|---------------| +| `@react-router/node` | 7.0.0 through 7.9.3 | 7.9.4 or later | +| `@remix-run/deno` | 2.17.1 and earlier | 2.17.2 or later | +| `@remix-run/node` | 2.17.1 and earlier | 2.17.2 or later | + +### Attack Vector +The vulnerability exists in the `createFileSessionStorage()` function when used with unsigned cookies. Attackers can manipulate session cookies to force the application to read or write files outside the designated session directory through directory traversal. + +## Assessment Results + +### Technology Stack Analysis +This application uses: +- **Framework:** Next.js (version 16.1.0) +- **Routing:** Next.js built-in App Router +- **Session Management:** next-auth (version 4.24.13) + +### Dependency Analysis +A comprehensive analysis of the repository's dependencies was performed: + +1. **Direct Dependencies:** No React Router or Remix packages found in `package.json` +2. **Transitive Dependencies:** No indirect dependencies on vulnerable packages found in `package-lock.json` +3. **Full Dependency Tree:** Verified using `npm list --all` - no React Router or Remix packages detected + +### Verification Commands +```bash +# Check for vulnerable packages +npm list --all 2>&1 | grep -iE "react-router|remix" +# Result: No React Router or Remix dependencies found + +# Check package-lock.json +cat package-lock.json | jq '.packages | to_entries[] | select(.key | contains("react-router") or contains("remix"))' +# Result: No matches found +``` + +## Conclusion + +**This repository is NOT vulnerable to CVE-2025-61686** because: + +1. ✅ The application uses Next.js for routing, not React Router or Remix +2. ✅ None of the vulnerable packages are present as direct dependencies +3. ✅ None of the vulnerable packages are present as transitive dependencies +4. ✅ The application does not use `createFileSessionStorage()` function + +## Recommendations + +While this repository is not affected by this specific vulnerability: + +1. **Continue Monitoring:** Keep track of security advisories for all dependencies +2. **Regular Updates:** Maintain up-to-date dependencies using `npm audit` and `npm update` +3. **Security Scanning:** Integrate automated security scanning into CI/CD pipeline +4. **Documentation:** Keep this security assessment updated when major framework changes occur + +## References + +- [GitHub Security Advisory](https://github.com/advisories) +- [CVE-2025-61686 Details](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-61686) +- [React Router Security Patches](https://github.com/remix-run/react-router/releases) + +--- + +**Assessed by:** GitHub Copilot Security Analysis +**Next Review Date:** As needed when framework dependencies change From c098830baa10b502a4038753508c1cd675c9c72e Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Thu, 15 Jan 2026 21:57:20 +0000 Subject: [PATCH 3/3] Update references section with accurate resource links Co-authored-by: saoc90 <7711719+saoc90@users.noreply.github.com> --- SECURITY_ASSESSMENT.md | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/SECURITY_ASSESSMENT.md b/SECURITY_ASSESSMENT.md index f460ab1ed..39c958e71 100644 --- a/SECURITY_ASSESSMENT.md +++ b/SECURITY_ASSESSMENT.md @@ -73,9 +73,10 @@ While this repository is not affected by this specific vulnerability: ## References -- [GitHub Security Advisory](https://github.com/advisories) -- [CVE-2025-61686 Details](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-61686) -- [React Router Security Patches](https://github.com/remix-run/react-router/releases) +- [GitHub Security Advisories Database](https://github.com/advisories) - Search for CVE-2025-61686 +- [National Vulnerability Database](https://nvd.nist.gov/) - CVE-2025-61686 +- [React Router GitHub Repository](https://github.com/remix-run/react-router) - Official releases and security patches +- [Next.js Security Best Practices](https://nextjs.org/docs/app/building-your-application/configuring/security-headers) ---