{ "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-2026-28406", "tracking": { "current_release_date": "2026-03-31T18:48:38.138638Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-28406", "initial_release_date": "2026-02-27T21:38:40.658798Z", "revision_history": [ { "date": "2026-02-27T21:38:40.658798Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (3).| CWES updated (1)." }, { "date": "2026-02-27T21:38:53.522757Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-02-27T22:25:33.357512Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (3).| CWES updated (1)." }, { "date": "2026-02-27T22:25:42.615989Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-02-28T07:34:46.663016Z", "number": "5", "summary": "NCSC Score updated." }, { "date": "2026-02-28T12:27:46.575588Z", "number": "6", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (4).| Product Identifiers created (1).| Product Remediations created (4).| References created (5).| CWES updated (1).| Vendor_assessment created." }, { "date": "2026-02-28T12:27:51.530119Z", "number": "7", "summary": "NCSC Score updated." }, { "date": "2026-02-28T14:01:37.211730Z", "number": "8", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (6).| References created (5).| CWES updated (1)." }, { "date": "2026-02-28T14:13:41.224047Z", "number": "9", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-01T01:39:33.485956Z", "number": "10", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (6).| CWES updated (1)." }, { "date": "2026-03-02T22:38:57.860250Z", "number": "11", "summary": "Unknown change." }, { "date": "2026-03-02T22:39:00.126338Z", "number": "12", "summary": "NCSC Score updated." }, { "date": "2026-03-04T18:12:46.171044Z", "number": "13", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| References created (5).| CWES updated (1)." }, { "date": "2026-03-06T20:26:08.321382Z", "number": "14", "summary": "Products created (1).| Product Identifiers created (1)." }, { "date": "2026-03-06T20:26:13.321081Z", "number": "15", "summary": "NCSC Score updated." }, { "date": "2026-03-20T09:37:36.305074Z", "number": "16", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-21T15:30:09.330803Z", "number": "17", "summary": "EPSS updated." }, { "date": "2026-03-21T15:30:19.666794Z", "number": "18", "summary": "NCSC Score updated." }, { "date": "2026-03-25T18:15:29.833105Z", "number": "19", "summary": "Source created.| CVE status created. (valid)| Description created for source.| References created (5)." }, { "date": "2026-03-31T18:47:38.240207Z", "number": "20", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (2).| References created (7).| CWES updated (1)." }, { "date": "2026-03-31T18:47:47.615818Z", "number": "21", "summary": "NCSC Score updated." } ], "status": "interim", "version": "21" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/1", "product": { "name": "vers:rpm/1", "product_id": "CSAFPID-1441076", "product_identification_helper": { "cpe": "cpe:/a:redhat:serverless:1" } } } ], "category": "product_name", "name": "OpenShift Serverless" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5597158" } } ], "category": "product_name", "name": "kn-client-kn-rhel9" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5207394" } } ], "category": "product_name", "name": "kn-plugin-func-func-util-rhel9" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5207395" } } ], "category": "product_name", "name": "openshift-serverless-clients" } ], "category": "product_family", "name": "OpenShift Serverless" } ], "category": "vendor", "name": "Red Hat" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/1.25.10", "product": { "name": "vers:unknown/1.25.10", "product_id": "CSAFPID-5969400" } }, { "category": "product_version_range", "name": "vers:unknown/>=1.25.4|<1.25.10", "product": { "name": "vers:unknown/>=1.25.4|<1.25.10", "product_id": "CSAFPID-5969401" } } ], "category": "product_name", "name": "go/github.com/chainguard-dev/kaniko" } ], "category": "vendor", "name": "chainguard-dev" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/>=1.25.4|<1.25.10", "product": { "name": "vers:unknown/>=1.25.4|<1.25.10", "product_id": "CSAFPID-5767373", "product_identification_helper": { "cpe": "cpe:2.3:a:chainguard:kaniko:*:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "kaniko" } ], "category": "vendor", "name": "chainguard" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/>=1.25.4|<1.25.10", "product": { "name": "vers:unknown/>=1.25.4|<1.25.10", "product_id": "CSAFPID-5736454" } }, { "category": "product_version_range", "name": "vers:unknown/v1.25.4", "product": { "name": "vers:unknown/v1.25.4", "product_id": "CSAFPID-5749583" } }, { "category": "product_version_range", "name": "vers:unknown/v1.25.5", "product": { "name": "vers:unknown/v1.25.5", "product_id": "CSAFPID-5749584" } }, { "category": "product_version_range", "name": "vers:unknown/v1.25.6", "product": { "name": "vers:unknown/v1.25.6", "product_id": "CSAFPID-5749585" } }, { "category": "product_version_range", "name": "vers:unknown/v1.25.7", "product": { "name": "vers:unknown/v1.25.7", "product_id": "CSAFPID-5749586" } }, { "category": "product_version_range", "name": "vers:unknown/v1.25.8", "product": { "name": "vers:unknown/v1.25.8", "product_id": "CSAFPID-5749587" } }, { "category": "product_version_range", "name": "vers:unknown/v1.25.9", "product": { "name": "vers:unknown/v1.25.9", "product_id": "CSAFPID-5749588" } } ], "category": "product_name", "name": "kaniko" } ], "category": "vendor", "name": "chainguard-forks" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-28406", "cwe": { "id": "CWE-22", "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')" }, "notes": [ { "category": "description", "text": "kaniko is a tool to build container images from a Dockerfile, inside a container or Kubernetes cluster. Starting in version 1.25.4 and prior to version 1.25.10, kaniko unpacks build context archives using `filepath.Join(dest, cleanedName)` without enforcing that the final path stays within `dest`. A tar entry like `../outside.txt` escapes the extraction root and writes files outside the destination directory. In environments with registry authentication, this can be chained with docker credential helpers to achieve code execution within the executor process. Version 1.25.10 uses securejoin for path resolution in tar extraction.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-28406" }, { "category": "description", "text": "kaniko is a tool to build container images from a Dockerfile, inside a container or Kubernetes cluster. Starting in version 1.25.4 and prior to version 1.25.10, kaniko unpacks build context archives using `filepath.Join(dest, cleanedName)` without enforcing that the final path stays within `dest`. A tar entry like `../outside.txt` escapes the extraction root and writes files outside the destination directory. In environments with registry authentication, this can be chained with docker credential helpers to achieve code execution within the executor process. Version 1.25.10 uses securejoin for path resolution in tar extraction.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-28406" }, { "category": "description", "text": "No description is available for this CVE.", "title": "redhat - https://access.redhat.com/security/cve/CVE-2026-28406" }, { "category": "description", "text": "kaniko is a tool to build container images from a Dockerfile, inside a container or Kubernetes cluster. Starting in version 1.25.4 and prior to version 1.25.10, kaniko unpacks build context archives using `filepath.Join(dest, cleanedName)` without enforcing that the final path stays within `dest`. A tar entry like `../outside.txt` escapes the extraction root and writes files outside the destination directory. In environments with registry authentication, this can be chained with docker credential helpers to achieve code execution within the executor process. Version 1.25.10 uses securejoin for path resolution in tar extraction.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-28406.json?alt=media" }, { "category": "description", "text": "kaniko unpacks build context archives using `filepath.Join(dest, cleanedName)` without enforcing that the final path stays within `dest`. A tar entry like `../outside.txt` escapes the extraction root and writes files outside the destination directory. In environments with registry authentication, this can be chained with docker credential helpers to achieve code execution within the executor process. Affected versions >= 1.25.4, <= 1.25.9.\n\n**Fix:** Merged with [PR #326](https://github.com/chainguard-forks/kaniko/pull/326) — uses securejoin for path resolution in tar extraction.\n\n**Acknowledgements**\n\nkaniko thanks Oleh Konko from [1seal](https://1seal.org/) for discovering and reporting this issue.", "title": "github - https://github.com/advisories/GHSA-6rxq-q92g-4rmf" }, { "category": "description", "text": "kaniko unpacks build context archives using `filepath.Join(dest, cleanedName)` without enforcing that the final path stays within `dest`. A tar entry like `../outside.txt` escapes the extraction root and writes files outside the destination directory. In environments with registry authentication, this can be chained with docker credential helpers to achieve code execution within the executor process. Affected versions >= 1.25.4, <= 1.25.9.\n\n**Fix:** Merged with [PR #326](https://github.com/chainguard-forks/kaniko/pull/326) — uses securejoin for path resolution in tar extraction.\n\n**Acknowledgements**\n\nkaniko thanks Oleh Konko from [1seal](https://1seal.org/) for discovering and reporting this issue.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Go%2FGHSA-6rxq-q92g-4rmf.json?alt=media" }, { "category": "description", "text": "kaniko has tar archive path traversal in its build context extraction, allowing file writes outside destination directories in github.com/chainguard-dev/kaniko", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Go%2FGO-2026-4580.json?alt=media" }, { "category": "description", "text": "kaniko unpacks build context archives using `filepath.Join(dest, cleanedName)` without enforcing that the final path stays within `dest`. A tar entry like `../outside.txt` escapes the extraction root and writes files outside the destination directory. In environments with registry authentication, this can be chained with docker credential helpers to achieve code execution within the executor process. Affected versions >= 1.25.4, <= 1.25.9.\n\n**Fix:** Merged with [PR #326](https://github.com/chainguard-forks/kaniko/pull/326) — uses securejoin for path resolution in tar extraction.\n\n**Acknowledgements**\n\nkaniko thanks Oleh Konko from [1seal](https://1seal.org/) for discovering and reporting this issue.", "title": "gitlab - https://gitlab.com/api/v4/projects/25847700/repository/files/go%2Fgithub.com%2Fchainguard-dev%2Fkaniko%2FCVE-2026-28406.yml/raw" }, { "category": "other", "text": "0.00232", "title": "EPSS" }, { "category": "other", "text": "4.9", "title": "NCSC Score" }, { "category": "other", "text": "There is product data available from source Nvd, The value of the mean historic EPSS score", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "Is related to (a version of) an uncommon product", "title": "NCSC Score top decreasing factors" }, { "category": "details", "text": "Severity: 3\n", "title": "Vendor assessment" } ], "product_status": { "fixed": [ "CSAFPID-5969400" ], "known_affected": [ "CSAFPID-5736454", "CSAFPID-1441076", "CSAFPID-5207394", "CSAFPID-5207395", "CSAFPID-5597158", "CSAFPID-5749583", "CSAFPID-5749584", "CSAFPID-5749585", "CSAFPID-5749586", "CSAFPID-5749587", "CSAFPID-5749588", "CSAFPID-5767373", "CSAFPID-5969401" ] }, "references": [ { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-28406" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/28xxx/CVE-2026-28406.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-28406" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-28406" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/security/cve/CVE-2026-28406" }, { "category": "external", "summary": "Source raw - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-28406.json" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-28406.json?alt=media" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-28406" }, { "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-6rxq-q92g-4rmf" }, { "category": "external", "summary": "Source raw - github", "url": "https://api.github.com/advisories/GHSA-6rxq-q92g-4rmf" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Go%2FGHSA-6rxq-q92g-4rmf.json?alt=media" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Go%2FGO-2026-4580.json?alt=media" }, { "category": "external", "summary": "Source - gitlab", "url": "https://gitlab.com/api/v4/projects/25847700/repository/files/go%2Fgithub.com%2Fchainguard-dev%2Fkaniko%2FCVE-2026-28406.yml/raw" }, { "category": "external", "summary": "Reference - cveprojectv5; github; gitlab; nvd; osv; redhat", "url": "https://github.com/chainguard-forks/kaniko/security/advisories/GHSA-6rxq-q92g-4rmf" }, { "category": "external", "summary": "Reference - cveprojectv5; github; gitlab; nvd; osv; redhat", "url": "https://github.com/chainguard-forks/kaniko/pull/326" }, { "category": "external", "summary": "Reference - cveprojectv5; github; gitlab; nvd; osv; redhat", "url": "https://github.com/chainguard-forks/kaniko/commit/a370e4b1f66e6e842b685c8f70ed507964c4b221" }, { "category": "external", "summary": "Reference - redhat", "url": "https://www.cve.org/CVERecord?id=CVE-2026-28406" }, { "category": "external", "summary": "Reference - github; gitlab; osv; redhat", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-28406" }, { "category": "external", "summary": "Reference - osv", "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28406.json" }, { "category": "external", "summary": "Reference - github; gitlab; osv", "url": "https://github.com/chainguard-forks/kaniko/releases/tag/v1.25.10" }, { "category": "external", "summary": "Reference - github; gitlab", "url": "https://github.com/advisories/GHSA-6rxq-q92g-4rmf" }, { "category": "external", "summary": "Reference - gitlab", "url": "https://github.com/chainguard-forks/kaniko" } ], "remediations": [ { "category": "mitigation", "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.", "product_ids": [ "CSAFPID-1441076", "CSAFPID-5207394", "CSAFPID-5207395", "CSAFPID-5597158" ] } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L", "baseScore": 8.5, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1441076", "CSAFPID-5207394", "CSAFPID-5207395", "CSAFPID-5597158", "CSAFPID-5736454", "CSAFPID-5749583", "CSAFPID-5749584", "CSAFPID-5749585", "CSAFPID-5749586", "CSAFPID-5749587", "CSAFPID-5749588", "CSAFPID-5767373", "CSAFPID-5969401" ] } ], "title": "CVE-2026-28406" } ] }