{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-29045", "tracking": { "current_release_date": "2026-04-01T09:56:11.978840Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-29045", "initial_release_date": "2026-03-04T20:39:49.490091Z", "revision_history": [ { "date": "2026-03-04T20:39:49.490091Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (3).| CWES updated (1)." }, { "date": "2026-03-04T20:39:51.441606Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-04T22:39:27.562673Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (2).| CWES updated (1)." }, { "date": "2026-03-04T22:39:30.353321Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-03-04T23:24:44.233565Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-03-04T23:24:51.531977Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-03-05T00:20:53.690768Z", "number": "7", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| References created (2).| CWES updated (1)." }, { "date": "2026-03-05T14:12:38.950935Z", "number": "8", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-05T14:12:41.065824Z", "number": "9", "summary": "NCSC Score updated." }, { "date": "2026-03-05T16:16:06.763372Z", "number": "10", "summary": "References created (1)." }, { "date": "2026-03-05T16:39:07.244554Z", "number": "11", "summary": "Unknown change." }, { "date": "2026-03-05T18:20:57.326916Z", "number": "12", "summary": "References created (1)." }, { "date": "2026-03-06T18:25:34.806832Z", "number": "13", "summary": "Products connected (1).| Product Identifiers created (1)." }, { "date": "2026-03-06T18:25:36.474429Z", "number": "14", "summary": "NCSC Score updated." }, { "date": "2026-03-20T09:35:50.870852Z", "number": "15", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-20T09:35:54.062166Z", "number": "16", "summary": "NCSC Score updated." }, { "date": "2026-03-31T12:05:54.792601Z", "number": "17", "summary": "Source connected.| CVE status created. (valid)| Products connected (1).| References created (3)." }, { "date": "2026-03-31T12:05:56.576118Z", "number": "18", "summary": "NCSC Score updated." }, { "date": "2026-04-01T09:56:10.869662Z", "number": "19", "summary": "Products connected (1).| References created (1)." } ], "status": "interim", "version": "19" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<13.0.7.0", "product": { "name": "vers:unknown/<13.0.7.0", "product_id": "CSAFPID-5963615" } } ], "category": "product_name", "name": "App Connect Enterprise" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/unknown", "product": { "name": "vers:unknown/unknown", "product_id": "CSAFPID-1337760", "product_identification_helper": { "cpe": "cpe:/a:ibm:app_connect_enterprise:-" } } } ], "category": "product_name", "name": "IBM App Connect Enterprise" } ], "category": "vendor", "name": "IBM" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<4.12.4", "product": { "name": "vers:unknown/<4.12.4", "product_id": "CSAFPID-5767222", "product_identification_helper": { "cpe": "cpe:2.3:a:hono:hono:*:*:*:*:*:node.js:*:*" } } } ], "category": "product_name", "name": "Hono" } ], "category": "vendor", "name": "Hono" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<4.12.4", "product": { "name": "vers:unknown/<4.12.4", "product_id": "CSAFPID-5759408" } }, { "category": "product_version_range", "name": "vers:unknown/>=0|<4.12.4", "product": { "name": "vers:unknown/>=0|<4.12.4", "product_id": "CSAFPID-5759799" } } ], "category": "product_name", "name": "hono" } ], "category": "vendor", "name": "honojs" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-29045", "cwe": { "id": "CWE-177", "name": "Improper Handling of URL Encoding (Hex Encoding)" }, "notes": [ { "category": "description", "text": "## Summary\n\nWhen using `serveStatic` together with route-based middleware protections (e.g. `app.use('/admin/*', ...)`), inconsistent URL decoding allowed protected static resources to be accessed without authorization.\n\nThe router used `decodeURI`, while `serveStatic` used `decodeURIComponent`. This mismatch allowed paths containing encoded slashes (`%2F`) to bypass middleware protections while still resolving to the intended filesystem path.\n\n\n## Details\n\nThe routing layer preserved `%2F` as a literal string, while `serveStatic` decoded it into `/` before resolving the file path.\n\nExample:\n\nRequest: `/admin%2Fsecret.html`\n\n- Router sees: `/admin%2Fsecret.html` → does not match `/admin/*`\n- Static handler resolves: `/admin/secret.html`\n\nAs a result, static files under the configured static root could be served without triggering route-based protections.\n\nThis only affects applications that both:\n\n- Protect subpaths using route-based middleware, and\n- Serve files from the same static root using `serveStatic`.\n\nThis does **not** allow access outside the static root and is **not** a path traversal vulnerability.\n\n\n## Impact\n\nAn unauthenticated attacker could bypass route-based authorization for protected static resources by supplying paths containing encoded slashes.\n\nApplications relying solely on route-based middleware to protect static subpaths may have exposed those resources.", "title": "github - https://github.com/advisories/GHSA-q5qw-h33p-qvwr" }, { "category": "description", "text": "Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.12.4, when using serveStatic together with route-based middleware protections (e.g. app.use('/admin/*', ...)), inconsistent URL decoding allowed protected static resources to be accessed without authorization. The router used decodeURI, while serveStatic used decodeURIComponent. This mismatch allowed paths containing encoded slashes (%2F) to bypass middleware protections while still resolving to the intended filesystem path. This issue has been patched in version 4.12.4.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-29045" }, { "category": "description", "text": "Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.12.4, when using serveStatic together with route-based middleware protections (e.g. app.use('/admin/*', ...)), inconsistent URL decoding allowed protected static resources to be accessed without authorization. The router used decodeURI, while serveStatic used decodeURIComponent. This mismatch allowed paths containing encoded slashes (%2F) to bypass middleware protections while still resolving to the intended filesystem path. This issue has been patched in version 4.12.4.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-29045" }, { "category": "description", "text": "## Summary\n\nWhen using `serveStatic` together with route-based middleware protections (e.g. `app.use('/admin/*', ...)`), inconsistent URL decoding allowed protected static resources to be accessed without authorization.\n\nThe router used `decodeURI`, while `serveStatic` used `decodeURIComponent`. This mismatch allowed paths containing encoded slashes (`%2F`) to bypass middleware protections while still resolving to the intended filesystem path.\n\n\n## Details\n\nThe routing layer preserved `%2F` as a literal string, while `serveStatic` decoded it into `/` before resolving the file path.\n\nExample:\n\nRequest: `/admin%2Fsecret.html`\n\n- Router sees: `/admin%2Fsecret.html` → does not match `/admin/*`\n- Static handler resolves: `/admin/secret.html`\n\nAs a result, static files under the configured static root could be served without triggering route-based protections.\n\nThis only affects applications that both:\n\n- Protect subpaths using route-based middleware, and\n- Serve files from the same static root using `serveStatic`.\n\nThis does **not** allow access outside the static root and is **not** a path traversal vulnerability.\n\n\n## Impact\n\nAn unauthenticated attacker could bypass route-based authorization for protected static resources by supplying paths containing encoded slashes.\n\nApplications relying solely on route-based middleware to protect static subpaths may have exposed those resources.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/npm%2FGHSA-q5qw-h33p-qvwr.json?alt=media" }, { "category": "other", "text": "0.00044", "title": "EPSS" }, { "category": "other", "text": "4.6", "title": "NCSC Score" }, { "category": "other", "text": "There is product data available from source Certbundde", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "Is related to (a version of) an uncommon product", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-5759408", "CSAFPID-5759799", "CSAFPID-5767222", "CSAFPID-5963615", "CSAFPID-1337760" ] }, "references": [ { "category": "external", "summary": "Source - github", "url": "https://github.com/advisories/GHSA-q5qw-h33p-qvwr" }, { "category": "external", "summary": "Source raw - github", "url": "https://api.github.com/advisories/GHSA-q5qw-h33p-qvwr" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-29045" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/29xxx/CVE-2026-29045.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-29045" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-29045" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/npm%2FGHSA-q5qw-h33p-qvwr.json?alt=media" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-29045" }, { "category": "external", "summary": "Source raw - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0933.json" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/honojs/hono/security/advisories/GHSA-q5qw-h33p-qvwr" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/honojs/hono/commit/6a0607a929d888893f0c91d92dce2fcfdb3662a3" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-q5qw-h33p-qvwr" }, { "category": "external", "summary": "Reference - github; osv", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-29045" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0933.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0933" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.ibm.com/support/pages/node/7268023" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.ibm.com/support/pages/node/7268166" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1337760", "CSAFPID-5759408", "CSAFPID-5759799", "CSAFPID-5767222", "CSAFPID-5963615" ] } ], "title": "CVE-2026-29045" } ] }