{ "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-2026-29058", "tracking": { "current_release_date": "2026-03-29T00:46:17.381847Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-29058", "initial_release_date": "2026-03-04T02:39:41.880754Z", "revision_history": [ { "date": "2026-03-04T02:39:41.880754Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-03-04T02:39:48.973690Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-04T18:33:22.011957Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (1).| CWES updated (1)." }, { "date": "2026-03-04T18:33:34.391766Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-03-05T21:45:34.543324Z", "number": "5", "summary": "NCSC Score updated." }, { "date": "2026-03-06T07:25:13.127641Z", "number": "6", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1).| CWES updated (1)." }, { "date": "2026-03-06T07:25:19.497076Z", "number": "7", "summary": "NCSC Score updated." }, { "date": "2026-03-06T07:38:36.277802Z", "number": "8", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (1).| CWES updated (1)." }, { "date": "2026-03-06T07:39:43.600215Z", "number": "9", "summary": "NCSC Score updated." }, { "date": "2026-03-06T11:35:08.215391Z", "number": "10", "summary": "NCSC Score updated." }, { "date": "2026-03-06T14:52:24.746107Z", "number": "11", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-06T22:39:46.440755Z", "number": "12", "summary": "References created (1)." }, { "date": "2026-03-07T00:30:38.824621Z", "number": "13", "summary": "References created (1)." }, { "date": "2026-03-08T21:31:48.986962Z", "number": "14", "summary": "NCSC Score updated." }, { "date": "2026-03-09T20:39:21.818213Z", "number": "15", "summary": "Unknown change." }, { "date": "2026-03-10T19:25:48.954224Z", "number": "16", "summary": "Products created (1).| Product Identifiers created (1)." }, { "date": "2026-03-10T19:25:54.735645Z", "number": "17", "summary": "NCSC Score updated." }, { "date": "2026-03-20T09:35:48.331010Z", "number": "18", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-20T09:35:51.849064Z", "number": "19", "summary": "NCSC Score updated." }, { "date": "2026-03-21T02:38:44.883596Z", "number": "20", "summary": "NCSC Score updated." }, { "date": "2026-03-21T15:28:53.713116Z", "number": "21", "summary": "EPSS updated." }, { "date": "2026-03-22T08:58:06.987928Z", "number": "22", "summary": "NCSC Score updated." }, { "date": "2026-03-22T15:17:42.562490Z", "number": "23", "summary": "EPSS updated." }, { "date": "2026-03-29T00:46:02.860449Z", "number": "24", "summary": "EPSS updated." }, { "date": "2026-03-29T00:46:12.383136Z", "number": "25", "summary": "NCSC Score updated." } ], "status": "interim", "version": "25" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<7.0", "product": { "name": "vers:unknown/<7.0", "product_id": "CSAFPID-5765480" } } ], "category": "product_name", "name": "AVideo-Encoder" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/>=0|<7.0.0", "product": { "name": "vers:unknown/>=0|<7.0.0", "product_id": "CSAFPID-5759024" } } ], "category": "product_name", "name": "avideo" } ], "category": "vendor", "name": "WWBN" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<7.0", "product": { "name": "vers:unknown/<7.0", "product_id": "CSAFPID-5776958", "product_identification_helper": { "cpe": "cpe:2.3:a:wwbn:avideo-encoder:*:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "avideo-encoder" } ], "category": "vendor", "name": "wwbn" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-29058", "cwe": { "id": "CWE-78", "name": "Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')" }, "notes": [ { "category": "description", "text": "## Impact\n\nAn unauthenticated attacker can execute arbitrary OS commands on the server by injecting shell command substitution into the `base64Url` GET parameter. This can lead to full server compromise, data exfiltration (e.g., configuration secrets, internal keys, credentials), and service disruption.\n\n## Root Cause\n\nThe `base64Url` parameter is Base64-decoded and then interpolated directly into a double-quoted `ffmpeg` shell command without proper shell escaping. The upstream validation uses `FILTER_VALIDATE_URL`, which validates URL syntax but does not prevent shell metacharacters / command substitution sequences from being interpreted by the shell.\n\n## Affected Components\n\n* `objects/getImage.php`\n* `objects/security.php`\n* Execution path via async command execution helper (`shell_exec`/`nohup`)\n\n## Patches\n\nApply strict shell argument escaping (e.g., `escapeshellarg()`) to all user-supplied values before building any shell command, and avoid double-quoted interpolation of untrusted input. Prefer safer process execution patterns where possible.\n\n## Workarounds\n\n* Restrict access to `objects/getImage.php` at the web server / reverse proxy layer (IP allowlist, auth, or disable endpoint if not needed).\n* Apply WAF rules to block suspicious patterns and limit exposure until a patch is deployed.\n\n## Resources\n\n* Report: \"Unauthenticated OS Command Injection in AVideo-Encoder\"", "title": "github - https://github.com/advisories/GHSA-9j26-99jh-v26q" }, { "category": "description", "text": "## Impact\n\nAn unauthenticated attacker can execute arbitrary OS commands on the server by injecting shell command substitution into the `base64Url` GET parameter. This can lead to full server compromise, data exfiltration (e.g., configuration secrets, internal keys, credentials), and service disruption.\n\n## Root Cause\n\nThe `base64Url` parameter is Base64-decoded and then interpolated directly into a double-quoted `ffmpeg` shell command without proper shell escaping. The upstream validation uses `FILTER_VALIDATE_URL`, which validates URL syntax but does not prevent shell metacharacters / command substitution sequences from being interpreted by the shell.\n\n## Affected Components\n\n* `objects/getImage.php`\n* `objects/security.php`\n* Execution path via async command execution helper (`shell_exec`/`nohup`)\n\n## Patches\n\nApply strict shell argument escaping (e.g., `escapeshellarg()`) to all user-supplied values before building any shell command, and avoid double-quoted interpolation of untrusted input. Prefer safer process execution patterns where possible.\n\n## Workarounds\n\n* Restrict access to `objects/getImage.php` at the web server / reverse proxy layer (IP allowlist, auth, or disable endpoint if not needed).\n* Apply WAF rules to block suspicious patterns and limit exposure until a patch is deployed.\n\n## Resources\n\n* Report: \"Unauthenticated OS Command Injection in AVideo-Encoder\"", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Packagist%2FGHSA-9j26-99jh-v26q.json?alt=media" }, { "category": "description", "text": "AVideo is a video-sharing Platform software. Prior to version 7.0, an unauthenticated attacker can execute arbitrary OS commands on the server by injecting shell command substitution into the base64Url GET parameter. This can lead to full server compromise, data exfiltration (e.g., configuration secrets, internal keys, credentials), and service disruption. This issue has been patched in version 7.0.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-29058" }, { "category": "description", "text": "AVideo is a video-sharing Platform software. Prior to version 7.0, an unauthenticated attacker can execute arbitrary OS commands on the server by injecting shell command substitution into the base64Url GET parameter. This can lead to full server compromise, data exfiltration (e.g., configuration secrets, internal keys, credentials), and service disruption. This issue has been patched in version 7.0.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-29058" }, { "category": "other", "text": "0.4299", "title": "EPSS" }, { "category": "other", "text": "4.8", "title": "NCSC Score" }, { "category": "other", "text": "There is product data available from a private source, There is cvss data available from a private source, The value of the most recent EPSS score", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "The value of the most recent CVSS (V3) score, Is related to (a version of) an uncommon product", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-5759024", "CSAFPID-5765480", "CSAFPID-5776958" ] }, "references": [ { "category": "external", "summary": "Source - github", "url": "https://github.com/advisories/GHSA-9j26-99jh-v26q" }, { "category": "external", "summary": "Source raw - github", "url": "https://api.github.com/advisories/GHSA-9j26-99jh-v26q" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Packagist%2FGHSA-9j26-99jh-v26q.json?alt=media" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-29058" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-29058" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-29058" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/29xxx/CVE-2026-29058.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-29058" }, { "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": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/WWBN/AVideo-Encoder/security/advisories/GHSA-9j26-99jh-v26q" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-9j26-99jh-v26q" }, { "category": "external", "summary": "Reference - github; osv", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-29058" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL" }, "products": [ "CSAFPID-5759024", "CSAFPID-5765480", "CSAFPID-5776958" ] } ], "title": "CVE-2026-29058" } ] }