{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-33222", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-17T23:23:58.315Z", "datePublished": "2026-03-25T20:10:51.107Z", "dateUpdated": "2026-03-25T20:10:51.107Z"}, "containers": {"cna": {"title": "NATS JetStream has an authorization bypass through its Management API", "problemTypes": [{"descriptions": [{"cweId": "CWE-285", "lang": "en", "description": "CWE-285: Improper Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/nats-io/nats-server/security/advisories/GHSA-9983-vrx2-fg9c", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/nats-io/nats-server/security/advisories/GHSA-9983-vrx2-fg9c"}, {"name": "https://advisories.nats.io/CVE/secnote-2026-12.txt", "tags": ["x_refsource_MISC"], "url": "https://advisories.nats.io/CVE/secnote-2026-12.txt"}], "affected": [{"vendor": "nats-io", "product": "nats-server", "versions": [{"version": "< 2.11.15", "status": "affected"}, {"version": ">= 2.12.0-RC.1, < 2.12.6", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-25T20:10:51.107Z"}, "descriptions": [{"lang": "en", "value": "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, users with JetStream admin API access to restore one stream could restore to other stream names, impacting data which should have been protected against them. Versions 2.11.15 and 2.12.6 contain a fix. As a workaround, if developers have configured users to have limited JetStream restore permissions, temporarily remove those permissions."}], "source": {"advisory": "GHSA-9983-vrx2-fg9c", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "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, users with JetStream admin API access to restore one stream could restore to other stream names, impacting data which should have been protected against them. Versions 2.11.15 and 2.12.6 contain a fix. As a workaround, if developers have configured users to have limited JetStream restore permissions, temporarily remove those permissions."}], "id": "CVE-2026-33222", "lastModified": "2026-03-25T21:16:47.237", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-03-25T21:16:47.237", "references": [{"source": "security-advisories@github.com", "url": "https://advisories.nats.io/CVE/secnote-2026-12.txt"}, {"source": "security-advisories@github.com", "url": "https://github.com/nats-io/nats-server/security/advisories/GHSA-9983-vrx2-fg9c"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-285"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{"bugzilla": {"description": "nats-server: NATS-Server: Unauthorized data modification via JetStream stream restore", "id": "2451480", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451480"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N", "status": "draft"}, "cwe": "CWE-639", "details": ["A flaw was found in NATS-Server, a high-performance messaging system. This vulnerability allows users with JetStream admin API access to restore data from one stream to unintended stream names. This can lead to unauthorized modification or overwriting of data that should have been protected, compromising data integrity."], "mitigation": {"lang": "en:us", "value": "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."}, "name": "CVE-2026-33222", "package_state": [{"cpe": "cpe:/a:redhat:multicluster_globalhub", "fix_state": "Fix deferred", "package_name": "multicluster-globalhub/multicluster-globalhub-grafana-rhel9", "product_name": "Multicluster Global Hub"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/oc-mirror-plugin-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-03-25T20:10:51Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-33222\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-33222\nhttps://advisories.nats.io/CVE/secnote-2026-12.txt\nhttps://github.com/nats-io/nats-server/security/advisories/GHSA-9983-vrx2-fg9c"], "threat_severity": "Moderate"}

{"analysis": {"en": {"generated_at": "2026-03-25T21:37:25.055850+00:00", "value": {"mitigation_remediation": ["Upgrade nats-server to version 2.11.15 or later, or 2.12.6 or later", "If an upgrade is not immediately possible, temporarily remove JetStream restore permissions for all users"], "summary": {"action": "Patch immediately", "impact": "Authorization bypass allowing unauthorized stream restoration"}, "threat_synthesis": {"affected_systems": "The vulnerability affects nats-io nats-server versions prior to 2.11.15 and 2.12.6. These builds lack the fix that restricts restore operations to the authorized stream.\n", "description_and_impact": "NATS-Server\u2019s JetStream Management API permits a user who can restore a stream to restore to any stream name, bypassing authorization controls. This flaw allows an attacker with JetStream admin access to modify or overwrite data that should have been protected, violating data integrity and confidentiality.\n", "risk_and_exploitability": "The flaw carries a CVSS score of 4.9 and is not listed in the CISA KEV catalog. Exploitation requires access to the JetStream Management API with restore permissions, so the attack surface is limited to internal users or compromised accounts. Despite the moderate score, the potential for unintentional data loss or tampering makes the risk significant without remediation."}}}}, "created": "2026-03-25T21:46:16.232531+00:00", "updated": "2026-03-25T21:46:16.232688+00:00", "vendors": []}