{ "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-2026-33247", "tracking": { "current_release_date": "2026-03-28T07:57:51.637734Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-33247", "initial_release_date": "2026-03-24T22:21:12.662922Z", "revision_history": [ { "date": "2026-03-24T22:21:12.662922Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (3).| CWES updated (1)." }, { "date": "2026-03-24T22:21:17.358446Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-25T13:15:15.505307Z", "number": "3", "summary": "Source connected.| CVE status created. (valid)| Products connected (2).| References created (13)." }, { "date": "2026-03-25T13:15:27.024206Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-03-25T18:13:55.450339Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (2).| References created (2).| CWES updated (1)." }, { "date": "2026-03-25T18:13:57.145379Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-03-25T20:39:22.737504Z", "number": "7", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (2).| References created (2).| CWES updated (1)." }, { "date": "2026-03-25T20:39:24.071294Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-03-25T20:53:20.318731Z", "number": "9", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-03-25T20:53:24.138270Z", "number": "10", "summary": "NCSC Score updated." }, { "date": "2026-03-26T00:27:42.521458Z", "number": "11", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (4).| Product Identifiers created (2).| Product Remediations created (4).| References created (4).| CWES updated (1).| Vendor_assessment created." }, { "date": "2026-03-26T00:27:50.745135Z", "number": "12", "summary": "NCSC Score updated." }, { "date": "2026-03-26T12:44:28.291069Z", "number": "13", "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products connected (1)." }, { "date": "2026-03-26T12:44:30.247956Z", "number": "14", "summary": "NCSC Score updated." }, { "date": "2026-03-26T15:02:15.030646Z", "number": "15", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-26T15:02:17.221258Z", "number": "16", "summary": "NCSC Score updated." }, { "date": "2026-03-26T17:27:57.405335Z", "number": "17", "summary": "Products connected (2).| Product Identifiers created (2)." }, { "date": "2026-03-26T17:28:00.323963Z", "number": "18", "summary": "NCSC Score updated." }, { "date": "2026-03-26T20:39:29.240980Z", "number": "19", "summary": "Unknown change." }, { "date": "2026-03-26T20:39:32.960252Z", "number": "20", "summary": "NCSC Score updated." }, { "date": "2026-03-27T00:14:02.878904Z", "number": "21", "summary": "Source created.| CVE status created. (valid)| Description created for source.| References created (2)." }, { "date": "2026-03-28T07:57:42.094639Z", "number": "22", "summary": "References created (2)." }, { "date": "2026-03-28T07:57:50.732817Z", "number": "23", "summary": "NCSC Score updated." } ], "status": "interim", "version": "23" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2552008", "product_identification_helper": { "cpe": "cpe:/a:redhat:multicluster_globalhub" } } } ], "category": "product_name", "name": "Multicluster Global Hub" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/4", "product": { "name": "vers:rpm/4", "product_id": "CSAFPID-1439328", "product_identification_helper": { "cpe": "cpe:/a:redhat:openshift:4" } } } ], "category": "product_name", "name": "Red Hat OpenShift Container Platform 4" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2914734" } } ], "category": "product_name", "name": "multicluster-globalhub-grafana-rhel9" } ], "category": "product_family", "name": "Multicluster Global Hub" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2257522" } } ], "category": "product_name", "name": "oc-mirror-plugin-rhel9" } ], "category": "product_family", "name": "Red Hat OpenShift Container Platform 4" } ], "category": "vendor", "name": "Red Hat" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<2.11.15", "product": { "name": "vers:unknown/<2.11.15", "product_id": "CSAFPID-5906252" } }, { "category": "product_version_range", "name": "vers:unknown/<2.12.6", "product": { "name": "vers:unknown/<2.12.6", "product_id": "CSAFPID-5906253" } } ], "category": "product_name", "name": "NATS Server" } ], "category": "vendor", "name": "Open Source" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<2.11.15", "product": { "name": "vers:unknown/<2.11.15", "product_id": "CSAFPID-5903111" } }, { "category": "product_version_range", "name": "vers:unknown/>=0|<2.11.15", "product": { "name": "vers:unknown/>=0|<2.11.15", "product_id": "CSAFPID-5907189" } }, { "category": "product_version_range", "name": "vers:unknown/>=2.12.0-rc.1|<2.12.6", "product": { "name": "vers:unknown/>=2.12.0-rc.1|<2.12.6", "product_id": "CSAFPID-5903112" } } ], "category": "product_name", "name": "Nats Server" } ], "category": "vendor", "name": "Nats" }, { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:deb/unknown", "product": { "name": "vers:deb/unknown", "product_id": "CSAFPID-2649998" } } ], "category": "product_name", "name": "nats-server" } ], "category": "product_family", "name": "bookworm" } ], "category": "vendor", "name": "Debian" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<2.11.15", "product": { "name": "vers:unknown/<2.11.15", "product_id": "CSAFPID-5918227", "product_identification_helper": { "cpe": "cpe:2.3:a:linuxfoundation:nats-server:*:*:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/>=2.12.0|<2.12.6", "product": { "name": "vers:unknown/>=2.12.0|<2.12.6", "product_id": "CSAFPID-5918228", "product_identification_helper": { "cpe": "cpe:2.3:a:linuxfoundation:nats-server:*:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "nats-server" } ], "category": "vendor", "name": "linuxfoundation" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-33247", "cwe": { "id": "CWE-215", "name": "Insertion of Sensitive Information Into Debugging Code" }, "notes": [ { "category": "description", "text": "### Background\n\nNATS.io is a high performance open source pub-sub distributed communication technology, built for the cloud, on-premise, IoT, and edge computing.\n\nThe nats-server provides an optional monitoring port, which provides access to sensitive data. The nats-server can take certain configuration options on the command-line instead of requiring a configuration file.\n\n\n### Problem Description\n\nIf a nats-server is run with static credentials for all clients provided via argv (the command-line), then those credentials are visible to any user who can see the monitoring port, if that too is enabled.\n\nThe `/debug/vars` end-point contains an unredacted copy of argv.\n\n### Patches\n\nFixed in nats-server 2.12.6 & 2.11.15\n\n### Workarounds\n\nThe NATS Maintainers are bemused at the concept of someone deploying a real configuration using `--pass` to avoid a config file, but also enabling monitoring.\n\nConfigure credentials inside a configuration file instead of via argv.\n\nDo not enable the monitoring port if using secrets in argv.\n\nBest practice remains to not expose the monitoring port to the Internet, or to untrusted network sources.", "title": "github - https://api.github.com/advisories/GHSA-x6g4-f6q3-fqvv" }, { "category": "description", "text": "### Background\n\nNATS.io is a high performance open source pub-sub distributed communication technology, built for the cloud, on-premise, IoT, and edge computing.\n\nThe nats-server provides an optional monitoring port, which provides access to sensitive data. The nats-server can take certain configuration options on the command-line instead of requiring a configuration file.\n\n\n### Problem Description\n\nIf a nats-server is run with static credentials for all clients provided via argv (the command-line), then those credentials are visible to any user who can see the monitoring port, if that too is enabled.\n\nThe `/debug/vars` end-point contains an unredacted copy of argv.\n\n### Patches\n\nFixed in nats-server 2.12.6 & 2.11.15\n\n### Workarounds\n\nThe NATS Maintainers are bemused at the concept of someone deploying a real configuration using `--pass` to avoid a config file, but also enabling monitoring.\n\nConfigure credentials inside a configuration file instead of via argv.\n\nDo not enable the monitoring port if using secrets in argv.\n\nBest practice remains to not expose the monitoring port to the Internet, or to untrusted network sources.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Go%2FGHSA-x6g4-f6q3-fqvv.json?alt=media" }, { "category": "description", "text": "NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, if a nats-server is run with static credentials for all clients provided via argv (the command-line), then those credentials are visible to any user who can see the monitoring port, if that too is enabled. The `/debug/vars` end-point contains an unredacted copy of argv. Versions 2.11.15 and 2.12.6 contain a fix. As a workaround, configure credentials inside a configuration file instead of via argv, and do not enable the monitoring port if using secrets in argv. Best practice remains to not expose the monitoring port to the Internet, or to untrusted network sources.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/33xxx/CVE-2026-33247.json" }, { "category": "description", "text": "NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, if a nats-server is run with static credentials for all clients provided via argv (the command-line), then those credentials are visible to any user who can see the monitoring port, if that too is enabled. The `/debug/vars` end-point contains an unredacted copy of argv. Versions 2.11.15 and 2.12.6 contain a fix. As a workaround, configure credentials inside a configuration file instead of via argv, and do not enable the monitoring port if using secrets in argv. Best practice remains to not expose the monitoring port to the Internet, or to untrusted network sources.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-33247" }, { "category": "description", "text": "A flaw was found in NATS-Server. If the NATS-Server is configured with static credentials provided through command-line arguments (argv) and the monitoring port is enabled, a remote attacker with access to the monitoring port can view these credentials. The /debug/vars endpoint on the monitoring port exposes an unredacted copy of the command-line arguments, leading to information disclosure of sensitive authentication details.", "title": "redhat - https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-33247.json" }, { "category": "description", "text": "NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, if a nats-server is run with static credentials for all clients provided via argv (the command-line), then those credentials are visible to any user who can see the monitoring port, if that too is enabled. The `/debug/vars` end-point contains an unredacted copy of argv. Versions 2.11.15 and 2.12.6 contain a fix. As a workaround, configure credentials inside a configuration file instead of via argv, and do not enable the monitoring port if using secrets in argv. Best practice remains to not expose the monitoring port to the Internet, or to untrusted network sources.", "title": "debian - https://security-tracker.debian.org/tracker/CVE-2026-33247" }, { "category": "description", "text": "NATS credentials are exposed in monitoring port via command-line argv in github.com/nats-io/nats-server", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Go%2FGO-2026-4827.json?alt=media" }, { "category": "other", "text": "0.00031", "title": "EPSS" }, { "category": "other", "text": "4.1", "title": "NCSC Score" }, { "category": "other", "text": "There is product data available from source Certbundde, Is related to an uncommon cwe id", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "Is related to a product by vendor Open Source, Is related to a product by vendor Debian, The value of the most recent EPSS score, Is related to (a version of) an uncommon product, Is related to an uncommon product vendor", "title": "NCSC Score top decreasing factors" }, { "category": "details", "text": "Severity: 3\n", "title": "Vendor assessment" } ], "product_status": { "known_affected": [ "CSAFPID-5906252", "CSAFPID-5906253", "CSAFPID-5903112", "CSAFPID-5907189", "CSAFPID-5903111", "CSAFPID-1439328", "CSAFPID-2257522", "CSAFPID-2552008", "CSAFPID-2914734", "CSAFPID-2649998", "CSAFPID-5918227", "CSAFPID-5918228" ] }, "references": [ { "category": "external", "summary": "Source - github", "url": "https://api.github.com/advisories/GHSA-x6g4-f6q3-fqvv" }, { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0858.json" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Go%2FGHSA-x6g4-f6q3-fqvv.json?alt=media" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/33xxx/CVE-2026-33247.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-33247" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-33247.json" }, { "category": "external", "summary": "Source - debian", "url": "https://security-tracker.debian.org/tracker/CVE-2026-33247" }, { "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-2026-4827.json?alt=media" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv; redhat", "url": "https://github.com/nats-io/nats-server/security/advisories/GHSA-x6g4-f6q3-fqvv" }, { "category": "external", "summary": "Reference - certbundde; cveprojectv5; github; nvd; osv; redhat", "url": "https://advisories.nats.io/CVE/secnote-2026-14.txt" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-x6g4-f6q3-fqvv" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0858.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0858" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://advisories.nats.io/CVE/secnote-2026-05.txt" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://advisories.nats.io/CVE/secnote-2026-06.txt" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://advisories.nats.io/CVE/secnote-2026-07.txt" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://advisories.nats.io/CVE/secnote-2026-08.txt" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://advisories.nats.io/CVE/secnote-2026-09.txt" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://advisories.nats.io/CVE/secnote-2026-10.txt" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://advisories.nats.io/CVE/secnote-2026-11.txt" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://advisories.nats.io/CVE/secnote-2026-12.txt" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://advisories.nats.io/CVE/secnote-2026-13.txt" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://advisories.nats.io/CVE/secnote-2026-15.txt" }, { "category": "external", "summary": "Reference - redhat", "url": "https://www.cve.org/CVERecord?id=CVE-2026-33247" }, { "category": "external", "summary": "Reference - github; redhat", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33247" }, { "category": "external", "summary": "Reference - github", "url": "https://pkg.go.dev/vuln/GO-2026-4827" } ], "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-1439328", "CSAFPID-2257522", "CSAFPID-2552008", "CSAFPID-2914734" ] } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1439328", "CSAFPID-2257522", "CSAFPID-2552008", "CSAFPID-2649998", "CSAFPID-2914734", "CSAFPID-5903111", "CSAFPID-5903112", "CSAFPID-5906252", "CSAFPID-5906253", "CSAFPID-5907189", "CSAFPID-5918227", "CSAFPID-5918228" ] } ], "title": "CVE-2026-33247" } ] }