{ "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-2026-33154", "tracking": { "current_release_date": "2026-03-27T19:45:31.308545Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-33154", "initial_release_date": "2026-03-18T20:44:19.050042Z", "revision_history": [ { "date": "2026-03-18T20:44:19.050042Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-03-18T20:44:29.750842Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-19T11:39:56.749920Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-03-20T20:38:41.021348Z", "number": "4", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (3).| CWES updated (1)." }, { "date": "2026-03-20T20:38:44.390472Z", "number": "5", "summary": "NCSC Score updated." }, { "date": "2026-03-20T21:25:13.428203Z", "number": "6", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (3).| CWES updated (1)." }, { "date": "2026-03-20T21:25:15.437828Z", "number": "7", "summary": "NCSC Score updated." }, { "date": "2026-03-20T21:41:24.479923Z", "number": "8", "summary": "References created (3)." }, { "date": "2026-03-21T12:44:36.504865Z", "number": "9", "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products created (2)." }, { "date": "2026-03-21T12:44:39.230896Z", "number": "10", "summary": "NCSC Score updated." }, { "date": "2026-03-21T15:23:14.953966Z", "number": "11", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-21T15:23:17.063839Z", "number": "12", "summary": "NCSC Score updated." }, { "date": "2026-03-22T14:56:34.902381Z", "number": "13", "summary": "NCSC Score updated." }, { "date": "2026-03-23T12:29:59.496617Z", "number": "14", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (9).| Product Identifiers created (1).| Product Remediations created (9).| References created (5).| CWES updated (1).| Vendor_assessment created." }, { "date": "2026-03-23T12:30:10.338997Z", "number": "15", "summary": "NCSC Score updated." }, { "date": "2026-03-25T14:39:35.280902Z", "number": "16", "summary": "Unknown change." }, { "date": "2026-03-27T05:38:56.839358Z", "number": "17", "summary": "Unknown change." }, { "date": "2026-03-27T19:45:29.149636Z", "number": "18", "summary": "Unknown change." } ], "status": "interim", "version": "18" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/2", "product": { "name": "vers:rpm/2", "product_id": "CSAFPID-1508257", "product_identification_helper": { "cpe": "cpe:/a:redhat:ansible_automation_platform:2" } } } ], "category": "product_name", "name": "Red Hat Ansible Automation Platform 2" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1508264" } } ], "category": "product_name", "name": "automation-controller" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-4534156" } } ], "category": "product_name", "name": "automation-dashboard-rhel9" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5172458" } } ], "category": "product_name", "name": "controller-rhel9" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5172459" } } ], "category": "product_name", "name": "eda-controller-rhel9" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5172460" } } ], "category": "product_name", "name": "gateway-rhel9" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5172461" } } ], "category": "product_name", "name": "hub-rhel9" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1508261" } } ], "category": "product_name", "name": "lightspeed-rhel8" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5009266" } } ], "category": "product_name", "name": "lightspeed-rhel9" } ], "category": "product_family", "name": "Red Hat Ansible Automation Platform 2" } ], "category": "vendor", "name": "Red Hat" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<3.2.13", "product": { "name": "vers:unknown/<3.2.13", "product_id": "CSAFPID-5875863" } } ], "category": "product_name", "name": "dynaconf" } ], "category": "vendor", "name": "dynaconf" }, { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:deb/unknown", "product": { "name": "vers:deb/unknown", "product_id": "CSAFPID-5885313" } } ], "category": "product_name", "name": "python-dynaconf" } ], "category": "product_family", "name": "bookworm" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:deb/unknown", "product": { "name": "vers:deb/unknown", "product_id": "CSAFPID-5885314" } } ], "category": "product_name", "name": "python-dynaconf" } ], "category": "product_family", "name": "bullseye" } ], "category": "vendor", "name": "debian" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-33154", "cwe": { "id": "CWE-1336", "name": "Improper Neutralization of Special Elements Used in a Template Engine" }, "notes": [ { "category": "description", "text": "### Summary\nDynaconf is vulnerable to Server-Side Template Injection (SSTI) due to unsafe template evaluation in the @jinja resolver.\nWhen the jinja2 package is installed, Dynaconf evaluates template expressions embedded in configuration values without a sandboxed environment.\n\nIf an attacker can influence configuration sources such as:\nenvironment variables\n.env files\ncontainer environment configuration\nCI/CD secrets\nthey can execute arbitrary OS commands on the host system.\nIn addition, the @format resolver allows object graph traversal, which may expose sensitive runtime objects and environment variables.\n\n### Details\nThe vulnerability arises because Dynaconf's string resolvers lack proper security boundaries.\n\n1. @jinja Resolver\nThe @jinja resolver renders templates using full Jinja2 evaluation.\nHowever, the rendering context is not sandboxed, which allows attackers to access Python's internal attributes.\nUsing objects such as cycler, attackers can reach Python's __globals__ and import the os module.\n\nExample attack path\ncycler\n → __init__\n → __globals__\n → os\n → popen()\nThis leads to arbitrary command execution.\n\n2. @format Resolver\nThe @format resolver performs Python string formatting using internal objects.\nThis allows attackers to traverse Python's object graph and access sensitive runtime objects.\nExample traversal:\n{this.__class__.__init__.__globals__[os].environ}\nThis can expose\n- API keys\n- database credentials\n- internal service tokens\n- environment secrets\n\n### PoC\n```\nimport os\nfrom dynaconf import Dynaconf\n# Malicious configuration injection\nos.environ[\"DYNACONF_RCE\"] = \"@jinja {{ cycler.__init__.__globals__.os.popen('id').read() }}\"\nsettings = Dynaconf()\nprint(\"[!] Command Execution Result:\")\nprint(settings.RCE)\n```\n### Impact\nSuccessful exploitation allows attackers to:\n- Execute arbitrary OS commands on the host system\n- Access sensitive environment variables\n- Compromise application secrets\n- Fully compromise the running application process\nBecause configuration values may originate from CI/CD pipelines, container orchestration systems, or environment injection, this vulnerability can become remotely exploitable in real-world deployments.\n\n\n### Remediation / Mitigation (Examples)\n\n1. Use Jinja2 sandbox for template rendering\n```\nfrom jinja2.sandbox import SandboxedEnvironment\nenv = SandboxedEnvironment()\ntemplate = env.from_string(\"{{ config_value }}\")\nsafe_value = template.render(config_value=user_input)```\n```\n2. Restrict @format usage to trusted values\n```\nsafe_value = \"{name}\".format(name=trusted_name)\n```", "title": "github - https://github.com/advisories/GHSA-pxrr-hq57-q35p" }, { "category": "description", "text": "### Summary\nDynaconf is vulnerable to Server-Side Template Injection (SSTI) due to unsafe template evaluation in the @jinja resolver.\nWhen the jinja2 package is installed, Dynaconf evaluates template expressions embedded in configuration values without a sandboxed environment.\n\nIf an attacker can influence configuration sources such as:\nenvironment variables\n.env files\ncontainer environment configuration\nCI/CD secrets\nthey can execute arbitrary OS commands on the host system.\nIn addition, the @format resolver allows object graph traversal, which may expose sensitive runtime objects and environment variables.\n\n### Details\nThe vulnerability arises because Dynaconf's string resolvers lack proper security boundaries.\n\n1. @jinja Resolver\nThe @jinja resolver renders templates using full Jinja2 evaluation.\nHowever, the rendering context is not sandboxed, which allows attackers to access Python's internal attributes.\nUsing objects such as cycler, attackers can reach Python's __globals__ and import the os module.\n\nExample attack path\ncycler\n → __init__\n → __globals__\n → os\n → popen()\nThis leads to arbitrary command execution.\n\n2. @format Resolver\nThe @format resolver performs Python string formatting using internal objects.\nThis allows attackers to traverse Python's object graph and access sensitive runtime objects.\nExample traversal:\n{this.__class__.__init__.__globals__[os].environ}\nThis can expose\n- API keys\n- database credentials\n- internal service tokens\n- environment secrets\n\n### PoC\n```\nimport os\nfrom dynaconf import Dynaconf\n# Malicious configuration injection\nos.environ[\"DYNACONF_RCE\"] = \"@jinja {{ cycler.__init__.__globals__.os.popen('id').read() }}\"\nsettings = Dynaconf()\nprint(\"[!] Command Execution Result:\")\nprint(settings.RCE)\n```\n### Impact\nSuccessful exploitation allows attackers to:\n- Execute arbitrary OS commands on the host system\n- Access sensitive environment variables\n- Compromise application secrets\n- Fully compromise the running application process\nBecause configuration values may originate from CI/CD pipelines, container orchestration systems, or environment injection, this vulnerability can become remotely exploitable in real-world deployments.\n\n\n### Remediation / Mitigation (Examples)\n\n1. Use Jinja2 sandbox for template rendering\n```\nfrom jinja2.sandbox import SandboxedEnvironment\nenv = SandboxedEnvironment()\ntemplate = env.from_string(\"{{ config_value }}\")\nsafe_value = template.render(config_value=user_input)```\n```\n2. Restrict @format usage to trusted values\n```\nsafe_value = \"{name}\".format(name=trusted_name)\n```", "title": "github - https://api.github.com/advisories/GHSA-pxrr-hq57-q35p" }, { "category": "description", "text": "dynaconf is a configuration management tool for Python. Prior to version 3.2.13, Dynaconf is vulnerable to Server-Side Template Injection (SSTI) due to unsafe template evaluation in the @Jinja resolver. When the jinja2 package is installed, Dynaconf evaluates template expressions embedded in configuration values without a sandboxed environment. This issue has been patched in version 3.2.13.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/33xxx/CVE-2026-33154.json" }, { "category": "description", "text": "dynaconf is a configuration management tool for Python. Prior to version 3.2.13, Dynaconf is vulnerable to Server-Side Template Injection (SSTI) due to unsafe template evaluation in the @Jinja resolver. When the jinja2 package is installed, Dynaconf evaluates template expressions embedded in configuration values without a sandboxed environment. This issue has been patched in version 3.2.13.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-33154" }, { "category": "description", "text": "dynaconf is a configuration management tool for Python. Prior to version 3.2.13, Dynaconf is vulnerable to Server-Side Template Injection (SSTI) due to unsafe template evaluation in the @Jinja resolver. When the jinja2 package is installed, Dynaconf evaluates template expressions embedded in configuration values without a sandboxed environment. This issue has been patched in version 3.2.13.", "title": "debian - https://security-tracker.debian.org/tracker/CVE-2026-33154" }, { "category": "description", "text": "A flaw was found in dynaconf, a Python configuration management tool. This Server-Side Template Injection (SSTI) vulnerability occurs due to unsafe template evaluation in the @Jinja resolver when the jinja2 package is installed. A remote attacker could exploit this by embedding malicious template expressions in configuration values, which are then processed without a sandboxed environment. This could lead to arbitrary code execution on the affected system.", "title": "redhat - https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-33154.json" }, { "category": "other", "text": "0.00045", "title": "EPSS" }, { "category": "other", "text": "3.9", "title": "NCSC Score" }, { "category": "other", "text": "Is related to (a version of) an uncommon product", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "Is related to a product by vendor Red Hat", "title": "NCSC Score top decreasing factors" }, { "category": "details", "text": "Severity: 2\n", "title": "Vendor assessment" } ], "product_status": { "known_affected": [ "CSAFPID-5875863", "CSAFPID-5885313", "CSAFPID-5885314", "CSAFPID-1508257", "CSAFPID-1508261", "CSAFPID-1508264", "CSAFPID-4534156", "CSAFPID-5009266", "CSAFPID-5172458", "CSAFPID-5172459", "CSAFPID-5172460", "CSAFPID-5172461" ] }, "references": [ { "category": "external", "summary": "Source - github", "url": "https://github.com/advisories/GHSA-pxrr-hq57-q35p" }, { "category": "external", "summary": "Source raw - github", "url": "https://api.github.com/advisories/GHSA-pxrr-hq57-q35p" }, { "category": "external", "summary": "Source - github", "url": "https://api.github.com/advisories/GHSA-pxrr-hq57-q35p" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/33xxx/CVE-2026-33154.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-33154" }, { "category": "external", "summary": "Source - debian", "url": "https://security-tracker.debian.org/tracker/CVE-2026-33154" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-33154.json" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; redhat", "url": "https://github.com/dynaconf/dynaconf/security/advisories/GHSA-pxrr-hq57-q35p" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-pxrr-hq57-q35p" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; redhat", "url": "https://github.com/dynaconf/dynaconf/commit/2fbb45ee36b8c0caa5b924fe19f3c1a5e8603fa7" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; redhat", "url": "https://github.com/dynaconf/dynaconf/releases/tag/3.2.13" }, { "category": "external", "summary": "Reference - github; redhat", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33154" }, { "category": "external", "summary": "Reference - redhat", "url": "https://www.cve.org/CVERecord?id=CVE-2026-33154" } ], "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-1508257", "CSAFPID-1508261", "CSAFPID-1508264", "CSAFPID-4534156", "CSAFPID-5009266", "CSAFPID-5172458", "CSAFPID-5172459", "CSAFPID-5172460", "CSAFPID-5172461" ] } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.5, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1508257", "CSAFPID-1508261", "CSAFPID-1508264", "CSAFPID-4534156", "CSAFPID-5009266", "CSAFPID-5172458", "CSAFPID-5172459", "CSAFPID-5172460", "CSAFPID-5172461", "CSAFPID-5875863", "CSAFPID-5885313", "CSAFPID-5885314" ] } ], "title": "CVE-2026-33154" } ] }