{"id":"CVE-2026-66275","aliases":["EUVD-2026-53086","GHSA-vx3v-mcrw-7985"],"status":"published","title":"Apache Qpid Proton-J: Incoming session flow control window can be exceeded","description":"An authenticated attacker could exceed the session flow control incoming window 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.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00653,"percentile":0.51781,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2026-08-05T05:34:48Z","modified":"2026-10-28T02:31:13Z","products":[{"vendor":"apache","product":"qpid_proton-j"},{"vendor":"apache software foundation","product":"apache qpid proton-j"}],"references":[{"url":"https://lists.apache.org/thread/jds59nxrgcxtlx7xl0kvl5hqt07thxzt","tags":["vendor-advisory","Vendor Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/08/04/11","tags":["Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66275","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-vx3v-mcrw-7985"},{"url":"https://repo.maven.apache.org/maven2","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/66xxx/CVE-2026-66275.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-66275","title":"Apache Qpid Proton-J: Incoming session flow control window can be exceeded","description":"An authenticated attacker could exceed the session flow control incoming window 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.","status":"published","published":"2026-08-05T05:34:48.549Z","modified":"2026-08-06T15:30:56.492Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:20:12.939084Z"}],"euvd":[{"id":"EUVD-2026-53086","description":"An authenticated attacker could exceed the session flow control incoming window 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.","status":"published","published":"2026-08-05T05:34:48Z","modified":"2026-08-06T15:30:56Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T18:02:08.101336Z"}],"ghsa":[{"id":"GHSA-vx3v-mcrw-7985","title":"An authenticated attacker could exceed the session flow control incoming window potentially...","description":"An authenticated attacker could exceed the session flow control incoming window 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.","status":"published","published":"2026-08-05T09:31:15Z","modified":"2026-08-07T00:32:15Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:10:11.041675Z"}],"nvd":[{"id":"CVE-2026-66275","description":"An authenticated attacker could exceed the session flow control incoming window 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.","status":"published","published":"2026-08-05T07:16:37.717Z","modified":"2026-10-24T16:10:00.153Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:12:35.031043Z"}],"osv":[{"id":"CVE-2026-66275","title":"Apache Qpid Proton-J: Incoming session flow control window can be exceeded","description":"An authenticated attacker could exceed the session flow control incoming window 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.","status":"published","published":"2026-08-05T05:34:48.549Z","modified":"2026-10-28T02:31:13.948253565Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:45:14.46177Z"}]}}