{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-1776", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-02-02T18:05:13.516Z", "datePublished": "2026-03-09T21:08:06.600Z", "dateUpdated": "2026-07-14T15:53:08.169Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-07-14T15:53:08.169Z" }, "title": "Camaleon CMS AWS Uploader Authenticated Path Traversal Arbitrary File Read", "descriptions": [ { "lang": "en", "value": "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.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "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." } ] } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-22", "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE" } ] } ], "affected": [ { "vendor": "owen2345", "product": "Camaleon CMS", "packageName": "camaleon-cms", "repo": "https://github.com/owen2345/camaleon-cms", "versions": [ { "status": "affected", "version": "2.4.5.0", "lessThanOrEqual": "2.9.0", "versionType": "custom" }, { "status": "unaffected", "version": "f54a77e2a7be601215ea1b396038c589a0cab9af", "versionType": "git" } ], "defaultStatus": "unaffected", "packageURL": "pkg:github/owen2345/camaleon-cms" } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:tuzitio:camaleon_cms:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.4.5.0", "versionEndIncluding": "2.9.0" } ] } ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 6, "vectorString": "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" } } ], "references": [ { "url": "https://github.com/owen2345/camaleon-cms/pull/1127", "tags": [ "issue-tracking" ] }, { "url": "https://github.com/owen2345/camaleon-cms/commit/f54a77e2a7be601215ea1b396038c589a0cab9af", "tags": [ "patch" ] }, { "url": "https://camaleon.website/", "tags": [ "product" ] }, { "url": "https://www.vulncheck.com/advisories/camaleon-cms-aws-uploader-authenticated-path-traversal-arbitrary-file-read", "tags": [ "third-party-advisory" ] } ], "credits": [ { "lang": "en", "value": "Michael Loomis (investigato)", "type": "finder" }, { "lang": "en", "value": "VulnCheck", "type": "coordinator" } ], "x_generator": { "engine": "Vulnogram 0.5.0" }, "source": { "discovery": "EXTERNAL" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-03-10T14:57:09.790742Z", "id": "CVE-2026-1776", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-10T14:57:17.119Z" } } ] } }