{"id":"CVE-2026-66274","state":"PUBLISHED","title":"Apache Qpid Proton-J: Unbounded type nesting can lead to pre-authentication stackoverflow","description":"A pre-authentication attacker could leverage type nesting to cause a StackOverflowError potentially leading to denial of service.\n\nThis issue affects Apache Qpid Proton-J: through 0.34.1.\n\nUsers are recommended to upgrade to version 0.35.0, which fixes the issue.","publishedAt":"2026-08-05T05:29:44.681Z","updatedAt":"2026-08-06T15:37:40.997Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache Qpid Proton-J"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Qpid Proton-J","packageName":"org.apache.qpid:proton-j","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"0.34.1","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2"}],"references":["https://lists.apache.org/thread/h7xolzws2by2qhdjf7scbx87foxojb5h","http://www.openwall.com/lists/oss-security/2026/08/04/10"],"weaknesses":["CWE-674"],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/66xxx/CVE-2026-66274.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-66274","state":"PUBLISHED","datePublished":"2026-08-05T05:29:44.681Z","dateUpdated":"2026-08-06T15:37:40.997Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-07-24T11:29:06.255Z"},"containers":{"cna":{"title":"Apache Qpid Proton-J: Unbounded type nesting can lead to pre-authentication stackoverflow","descriptions":[{"lang":"en","value":"A pre-authentication attacker could leverage type nesting to cause a StackOverflowError potentially leading to denial of service.\n\nThis issue affects Apache Qpid Proton-J: through 0.34.1.\n\nUsers are recommended to upgrade to version 0.35.0, which fixes the issue."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Qpid Proton-J","packageName":"org.apache.qpid:proton-j","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"0.34.1","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2"}],"references":[{"url":"https://lists.apache.org/thread/h7xolzws2by2qhdjf7scbx87foxojb5h","tags":["vendor-advisory"]}],"metrics":[{"other":{"content":{"text":"important"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-674","description":"CWE-674 Uncontrolled Recursion","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-08-05T05:29:44.681Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/08/04/10"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-08-05T06:57:52.903Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-06T15:07:28.908414Z","id":"CVE-2026-66274","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-06T15:37:40.997Z"}}]}}}