{ "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-2026-1776", "tracking": { "current_release_date": "2026-03-26T05:50:12.966126Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-1776", "initial_release_date": "2026-03-09T21:38:31.243666Z", "revision_history": [ { "date": "2026-03-09T21:38:31.243666Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (2).| References created (4).| CWES updated (1)." }, { "date": "2026-03-09T21:38:37.669299Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-10T08:25:18.801103Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (4).| CWES updated (1)." }, { "date": "2026-03-10T08:25:26.371334Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-03-10T14:38:39.862382Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-10T14:38:45.798703Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-03-10T15:39:07.144835Z", "number": "7", "summary": "Unknown change." }, { "date": "2026-03-11T00:53:33.464509Z", "number": "8", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (6).| CWES updated (1)." }, { "date": "2026-03-11T00:53:41.589202Z", "number": "9", "summary": "NCSC Score updated." }, { "date": "2026-03-19T15:29:56.980192Z", "number": "10", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (6).| CWES updated (1)." }, { "date": "2026-03-19T15:30:01.744160Z", "number": "11", "summary": "NCSC Score updated." }, { "date": "2026-03-20T10:09:42.058753Z", "number": "12", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-20T19:57:26.370790Z", "number": "13", "summary": "References created (1)." }, { "date": "2026-03-20T19:57:29.439333Z", "number": "14", "summary": "NCSC Score updated." }, { "date": "2026-03-23T05:17:39.605570Z", "number": "15", "summary": "References removed (1)." }, { "date": "2026-03-24T03:17:42.084558Z", "number": "16", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| Products created (1).| References created (4).| CWES updated (1).| Unknown change." }, { "date": "2026-03-24T03:17:51.610568Z", "number": "17", "summary": "NCSC Score updated." }, { "date": "2026-03-25T11:23:31.667298Z", "number": "18", "summary": "References created (1)." }, { "date": "2026-03-25T11:23:38.502254Z", "number": "19", "summary": "NCSC Score updated." } ], "status": "interim", "version": "19" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:git/f54a77e2a7be601215ea1b396038c589a0cab9af", "product": { "name": "vers:git/f54a77e2a7be601215ea1b396038c589a0cab9af", "product_id": "CSAFPID-5895880" } }, { "category": "product_version_range", "name": "vers:semver/2.4.5.0|<=2.9.0", "product": { "name": "vers:semver/2.4.5.0|<=2.9.0", "product_id": "CSAFPID-5772484" } }, { "category": "product_version_range", "name": "vers:unknown/commitf54a77e", "product": { "name": "vers:unknown/commitf54a77e", "product_id": "CSAFPID-5772485" } } ], "category": "product_name", "name": "Camaleon CMS" } ], "category": "vendor", "name": "owen2345" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-1776", "cwe": { "id": "CWE-22", "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')" }, "notes": [ { "category": "description", "text": "Camaleon CMS versions 2.4.5.0 through 2.9.0, prior to commit f54a77e, contain a path traversal vulnerability in the AWS S3 uploader implementation that allows authenticated users to read arbitrary files from the web server’s filesystem. The issue occurs in the download_private_file functionality when the application is configured to use the CamaleonCmsAwsUploader backend. Unlike the local uploader implementation, the AWS uploader does not validate file paths with valid_folder_path?, allowing directory traversal sequences to be supplied via the file parameter. As a result, any authenticated user, including low-privileged registered users, can access sensitive files such as /etc/passwd. This issue represents a bypass of the incomplete fix for CVE-2024-46987 and affects deployments using the AWS S3 storage backend.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-1776" }, { "category": "description", "text": "Camaleon CMS versions 2.4.5.0 through 2.9.0, prior to commit f54a77e, contain a path traversal vulnerability in the AWS S3 uploader implementation that allows authenticated users to read arbitrary files from the web server’s filesystem. The issue occurs in the download_private_file functionality when the application is configured to use the CamaleonCmsAwsUploader backend. Unlike the local uploader implementation, the AWS uploader does not validate file paths with valid_folder_path?, allowing directory traversal sequences to be supplied via the file parameter. As a result, any authenticated user, including low-privileged registered users, can access sensitive files such as /etc/passwd. This issue represents a bypass of the incomplete fix for CVE-2024-46987 and affects deployments using the AWS S3 storage backend.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-1776" }, { "category": "description", "text": "Camaleon CMS versions 2.4.5.0 through 2.9.1, prior to commit f54a77e, contain a path traversal vulnerability in the AWS S3 uploader implementation that allows authenticated users to read arbitrary files from the web server’s filesystem. The issue occurs in the download_private_file functionality when the application is configured to use the CamaleonCmsAwsUploader backend. Unlike the local uploader implementation, the AWS uploader does not validate file paths with valid_folder_path?, allowing directory traversal sequences to be supplied via the file parameter. As a result, any authenticated user, including low-privileged registered users, can access sensitive files such as /etc/passwd. This issue represents a bypass of the incomplete fix for CVE-2024-46987 and affects deployments using the AWS S3 storage backend.", "title": "github - https://github.com/advisories/GHSA-jw5g-f64p-6x78" }, { "category": "description", "text": "Camaleon CMS versions 2.4.5.0 through 2.9.1, prior to commit f54a77e, contain a path traversal vulnerability in the AWS S3 uploader implementation that allows authenticated users to read arbitrary files from the web server’s filesystem. The issue occurs in the download_private_file functionality when the application is configured to use the CamaleonCmsAwsUploader backend. Unlike the local uploader implementation, the AWS uploader does not validate file paths with valid_folder_path?, allowing directory traversal sequences to be supplied via the file parameter. As a result, any authenticated user, including low-privileged registered users, can access sensitive files such as /etc/passwd. This issue represents a bypass of the incomplete fix for CVE-2024-46987 and affects deployments using the AWS S3 storage backend.", "title": "github - https://api.github.com/advisories/GHSA-jw5g-f64p-6x78" }, { "category": "description", "text": "Camaleon CMS versions 2.4.5.0 through 2.9.0, prior to commit f54a77e, contain a path traversal vulnerability in the AWS S3 uploader implementation that allows authenticated users to read arbitrary files from the web server’s filesystem. The issue occurs in the download_private_file functionality when the application is configured to use the CamaleonCmsAwsUploader backend. Unlike the local uploader implementation, the AWS uploader does not validate file paths with valid_folder_path?, allowing directory traversal sequences to be supplied via the file parameter. As a result, any authenticated user, including low-privileged registered users, can access sensitive files such as /etc/passwd. This issue represents a bypass of the incomplete fix for CVE-2024-46987 and affects deployments using the AWS S3 storage backend.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/1xxx/CVE-2026-1776.json" }, { "category": "other", "text": "0.0008", "title": "EPSS" }, { "category": "other", "text": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N", "title": "CVSSV4" }, { "category": "other", "text": "6.0", "title": "CVSSV4 base score" }, { "category": "other", "text": "3.7", "title": "NCSC Score" }, { "category": "other", "text": "Is related to (a version of) an uncommon product, The value of the most recent CVSS (V3) score, There is cwe data available from source Nvd, The value of the most recent EPSS score", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-5772484" ], "known_not_affected": [ "CSAFPID-5772485", "CSAFPID-5895880" ] }, "references": [ { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-1776" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/1xxx/CVE-2026-1776.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-1776" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-1776" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-1776" }, { "category": "external", "summary": "Source raw - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - github", "url": "https://github.com/advisories/GHSA-jw5g-f64p-6x78" }, { "category": "external", "summary": "Source raw - github", "url": "https://api.github.com/advisories/GHSA-jw5g-f64p-6x78" }, { "category": "external", "summary": "Source - github", "url": "https://api.github.com/advisories/GHSA-jw5g-f64p-6x78" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/1xxx/CVE-2026-1776.json" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd", "url": "https://camaleon.website/" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd", "url": "https://github.com/owen2345/camaleon-cms/pull/1127" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd", "url": "https://github.com/owen2345/camaleon-cms/commit/f54a77e2a7be601215ea1b396038c589a0cab9af" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd", "url": "https://www.vulncheck.com/advisories/camaleon-cms-aws-uploader-authenticated-path-traversal-arbitrary-file-read" }, { "category": "external", "summary": "Reference - github", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-1776" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-jw5g-f64p-6x78" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/camaleon_cms/CVE-2026-1776.yml" } ], "title": "CVE-2026-1776" } ] }