{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-35337", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-04-02T09:21:36.185Z", "datePublished": "2026-04-13T09:11:06.193Z", "dateUpdated": "2026-04-13T09:40:03.188Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://repo.maven.apache.org/maven2/", "defaultStatus": "unaffected", "packageName": "org.apache.storm:storm-client", "product": "Apache Storm Client", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "2.8.6", "status": "affected", "version": "0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "K"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p><b>Deserialization of Untrusted Data vulnerability in Apache Storm.</b></p><p><strong>Versions Affected:</strong>\nbefore 2.8.6.</p>\n<p><strong>Description:</strong>\nWhen processing topology credentials submitted via the Nimbus Thrift API, Storm deserializes the base64-encoded TGT blob using <code>ObjectInputStream.readObject()</code> without any class filtering or validation.&nbsp;An authenticated user with topology submission rights could supply a crafted serialized object in the <code>\"TGT\"</code> credential field, leading to remote code execution in both the Nimbus and Worker JVMs.</p>\n<p><strong>Mitigation:</strong>\n2.x users should upgrade to 2.8.6.</p>\n<p>Users who cannot upgrade immediately should monkey-patch an <code>ObjectInputFilter</code> allow-list to <code>ClientAuthUtils.deserializeKerberosTicket()</code> restricting deserialized classes to <code>javax.security.auth.kerberos.KerberosTicket</code> and its known dependencies. A guide on how to do this is available in the release notes of 2.8.6.</p><p><span style=\"background-color: rgb(255, 255, 255);\"><b>Credit:</b> This issue was discovered by K.</span><br></p>"}], "value": "Deserialization of Untrusted Data vulnerability in Apache Storm.\n\nVersions Affected:\nbefore 2.8.6.\n\n\nDescription:\nWhen processing topology credentials submitted via the Nimbus Thrift API, Storm deserializes the base64-encoded TGT blob using ObjectInputStream.readObject() without any class filtering or validation.\u00a0An authenticated user with topology submission rights could supply a crafted serialized object in the \"TGT\" credential field, leading to remote code execution in both the Nimbus and Worker JVMs.\n\n\nMitigation:\n2.x users should upgrade to 2.8.6.\n\n\nUsers who cannot upgrade immediately should monkey-patch an ObjectInputFilter allow-list to ClientAuthUtils.deserializeKerberosTicket() restricting deserialized classes to javax.security.auth.kerberos.KerberosTicket and its known dependencies. A guide on how to do this is available in the release notes of 2.8.6.\n\nCredit: This issue was discovered by K."}], "metrics": [{"other": {"content": {"text": "important"}, "type": "Textual description of severity"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-502", "description": "CWE-502 Deserialization of Untrusted Data", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-04-13T09:11:06.193Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://storm.apache.org/2026/04/12/storm286-released.html"}], "source": {"discovery": "EXTERNAL"}, "title": "Apache Storm Client: RCE through Unsafe Deserialization via Kerberos TGT Credential Handling", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/04/12/6"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-04-13T09:40:03.188Z"}}]}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Deserialization of Untrusted Data vulnerability in Apache Storm.\n\nVersions Affected:\nbefore 2.8.6.\n\n\nDescription:\nWhen processing topology credentials submitted via the Nimbus Thrift API, Storm deserializes the base64-encoded TGT blob using ObjectInputStream.readObject() without any class filtering or validation.\u00a0An authenticated user with topology submission rights could supply a crafted serialized object in the \"TGT\" credential field, leading to remote code execution in both the Nimbus and Worker JVMs.\n\n\nMitigation:\n2.x users should upgrade to 2.8.6.\n\n\nUsers who cannot upgrade immediately should monkey-patch an ObjectInputFilter allow-list to ClientAuthUtils.deserializeKerberosTicket() restricting deserialized classes to javax.security.auth.kerberos.KerberosTicket and its known dependencies. A guide on how to do this is available in the release notes of 2.8.6.\n\nCredit: This issue was discovered by K."}], "id": "CVE-2026-35337", "lastModified": "2026-04-13T10:16:11.610", "metrics": {}, "published": "2026-04-13T10:16:11.610", "references": [{"source": "security@apache.org", "url": "https://storm.apache.org/2026/04/12/storm286-released.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/04/12/6"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "security@apache.org", "type": "Primary"}]}

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