{"id":"CVE-2026-57217","aliases":["AZL-92340","DEBIAN-CVE-2026-57217","EUVD-2026-43024","GHSA-gpvw-75h5-3wvx","RHSA-2026:35939","RHSA-2026:35940","SUSE-SU-2026:23859-1","SUSE-SU-2026:23869-1","UBUNTU-CVE-2026-57217","openSUSE-SU-2026:21903-1"],"status":"published","title":"RabbitMQ: Topic authorization can lead to cross-tenant routing-key bypass","description":"RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.21, 4.1.11, and 4.2.6, RabbitMQ topic authorization can allow restricted topic writes and binds during metadata-store failures because topic-permission lookup errors from Khepri can collapse to undefined, which the internal backend treats as allow. This issue is fixed in versions 3.13.15, 4.0.21, 4.1.11, and 4.2.6.","severity":{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00352,"percentile":0.29065,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2026-07-10T20:25:29Z","modified":"2026-11-05T05:40:51Z","fixes":[{"ecosystem":"Azure Linux:3","package":"rabbitmq-server","fixed_in":["3.13.7-8"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"rabbitmq-server","fixed_in":["4.3.0-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure 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Topic authorization can lead to cross-tenant routing-key bypass","description":"RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.21, 4.1.11, and 4.2.6, RabbitMQ topic authorization can allow restricted topic writes and binds during metadata-store failures because topic-permission lookup errors from Khepri can collapse to undefined, which the internal backend treats as allow. This issue is fixed in versions 3.13.15, 4.0.21, 4.1.11, and 4.2.6.","status":"published","published":"2026-07-10T20:25:29.498Z","modified":"2026-07-13T15:58:13.432Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T13:43:56.024247Z"}],"euvd":[{"id":"EUVD-2026-43024","description":"RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.21, 4.1.11, and 4.2.6, RabbitMQ topic authorization can allow restricted topic writes and binds during metadata-store failures because topic-permission lookup errors from Khepri can collapse to undefined, which the internal backend treats as allow. This issue is fixed in versions 3.13.15, 4.0.21, 4.1.11, and 4.2.6.","status":"published","published":"2026-07-10T20:25:29Z","modified":"2026-07-13T15:58:13Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:20:01.519776Z"}],"nvd":[{"id":"CVE-2026-57217","description":"RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.21, 4.1.11, and 4.2.6, RabbitMQ topic authorization can allow restricted topic writes and binds during metadata-store failures because topic-permission lookup errors from Khepri can collapse to undefined, which the internal backend treats as allow. This issue is fixed in versions 3.13.15, 4.0.21, 4.1.11, and 4.2.6.","status":"published","published":"2026-07-10T21:16:58.81Z","modified":"2026-10-25T15:10:00.147Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:12:28.771746Z"}],"osv":[{"id":"CVE-2026-57217","title":"RabbitMQ: Topic authorization can lead to cross-tenant routing-key bypass","description":"RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.21, 4.1.11, and 4.2.6, RabbitMQ topic authorization can allow restricted topic writes and binds during metadata-store failures because topic-permission lookup errors from Khepri can collapse to undefined, which the internal backend treats as allow. This issue is fixed in versions 3.13.15, 4.0.21, 4.1.11, and 4.2.6.","status":"published","published":"2026-07-10T20:25:29.498Z","modified":"2026-10-28T02:30:36.931970386Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","level":"high"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:45:12.016252Z"},{"id":"DEBIAN-CVE-2026-57217","description":"RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.21, 4.1.11, and 4.2.6, RabbitMQ topic authorization can allow restricted topic writes and binds during metadata-store failures because topic-permission lookup errors from Khepri can collapse to undefined, which the internal backend treats as allow. This issue is fixed in versions 3.13.15, 4.0.21, 4.1.11, and 4.2.6.","status":"published","published":"2026-07-10T21:16:58.81Z","modified":"2026-10-26T12:02:47.253720207Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:57.590991Z"},{"id":"RHSA-2026:35939","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-07-29T10:09:09Z","modified":"2026-09-08T10:12:53Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:53:19.963895Z"},{"id":"RHSA-2026:35940","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-07-29T10:09:09Z","modified":"2026-09-08T10:12:54Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:53:19.963895Z"},{"id":"UBUNTU-CVE-2026-57217","description":"RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.21, 4.1.11, and 4.2.6, RabbitMQ topic authorization can allow restricted topic writes and binds during metadata-store failures because topic-permission lookup errors from Khepri can collapse to undefined, which the internal backend treats as allow. This issue is fixed in versions 3.13.15, 4.0.21, 4.1.11, and 4.2.6.","status":"published","published":"2026-07-10T21:16:00Z","modified":"2026-10-17T12:59:12.903726349Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","level":"high"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T16:56:41.911783Z"},{"id":"AZL-92340","title":"CVE-2026-57217 affecting package rabbitmq-server for versions less than 3.13.7-8","description":"RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.21, 4.1.11, and 4.2.6, RabbitMQ topic authorization can allow restricted topic writes and binds during metadata-store failures because topic-permission lookup errors from Khepri can collapse to undefined, which the internal backend treats as allow. This issue is fixed in versions 3.13.15, 4.0.21, 4.1.11, and 4.2.6.","status":"published","published":"2026-07-10T21:16:58Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:25.880689Z"},{"id":"openSUSE-SU-2026:21903-1","title":"Security update for rabbitmq-server","description":"This update for rabbitmq-server fixes the following issues:\n\n- CVE-2026-44839: XSS in management UI due to unsanitized vhost names (bsc#1266465).\n- CVE-2026-57212: The rabbitmq_management HTTP API accepts oversized valid JSON bodies on with_decode and direct_request\n  paths (bsc#1271318).\n- CVE-2026-57213: stored XSS in RabbitMQ federation management plugin via unsanitized consumer_tag rendering\n  (bsc#1271336).\n- CVE-2026-57214: stored XSS in RabbitMQ management UI (bsc#1271337).\n- CVE-2026-57215: direct-reply-to binding persistence can lead to unauthorized reply-channel injection and persistent\n  phantom (bsc#1271338).\n- CVE-2026-57216: stream Protocol loopback enforcement can lead to remote guest sessions due to listener-address\n  loopback checks (bsc#1271339).\n- CVE-2026-57217: topic authorization can lead to cross-tenant routing-key bypass (bsc#1271340).\n- CVE-2026-57218: consumer persistence can lead to post-revocation message disclosure in OAuth2 (bsc#1271343).\n- CVE-2026-57219: Unauthenticated disclosure of OAuth client credentials via an HTTP API endpoint with certain less\n  common OAuth 2 configurations (bsc#1271344).\n- CVE-2026-57220: stream listener does not enforce configured frame-size limit during authentication, permitting\n  unauth'd mem-exhaust DoS (bsc#1271345).\n- CVE-2026-57221: passive queue/exchange declaration bypasses authorization checks, leaking queue metadata to\n  unprivileged users (bsc#1271346).\n","status":"published","published":"2026-09-22T02:16:57Z","modified":"2026-09-25T18:23:12.443092291Z","updated_at":"2026-11-02T16:58:42.426393Z"},{"id":"SUSE-SU-2026:23859-1","title":"Security update for rabbitmq-server","description":"This update for rabbitmq-server fixes the following issues:\n\n- CVE-2026-44839: XSS in management UI due to unsanitized vhost names (bsc#1266465).\n- CVE-2026-57212: The rabbitmq_management HTTP API accepts oversized valid JSON bodies on with_decode and direct_request\n  paths (bsc#1271318).\n- CVE-2026-57213: stored XSS in RabbitMQ federation management plugin via unsanitized consumer_tag rendering\n  (bsc#1271336).\n- CVE-2026-57214: stored XSS in RabbitMQ management UI (bsc#1271337).\n- CVE-2026-57215: direct-reply-to binding persistence can lead to unauthorized reply-channel injection and persistent\n  phantom (bsc#1271338).\n- CVE-2026-57216: stream Protocol loopback enforcement can lead to remote guest sessions due to listener-address\n  loopback checks (bsc#1271339).\n- CVE-2026-57217: topic authorization can lead to cross-tenant routing-key bypass (bsc#1271340).\n- CVE-2026-57218: consumer persistence can lead to post-revocation message disclosure in OAuth2 (bsc#1271343).\n- CVE-2026-57219: Unauthenticated disclosure of OAuth client credentials via an HTTP API endpoint with certain less\n  common OAuth 2 configurations (bsc#1271344).\n- CVE-2026-57220: stream listener does not enforce configured frame-size limit during authentication, permitting\n  unauth'd mem-exhaust DoS (bsc#1271345).\n- CVE-2026-57221: passive queue/exchange declaration bypasses authorization checks, leaking queue metadata to\n  unprivileged users (bsc#1271346).\n","status":"published","published":"2026-09-22T02:23:51Z","modified":"2026-09-27T18:23:16.291562858Z","updated_at":"2026-11-02T15:54:03.991985Z"},{"id":"SUSE-SU-2026:23869-1","title":"Security update for rabbitmq-server","description":"This update for rabbitmq-server fixes the following issues:\n\n- CVE-2026-44839: XSS in management UI due to unsanitized vhost names (bsc#1266465).\n- CVE-2026-57212: The rabbitmq_management HTTP API accepts oversized valid JSON bodies on with_decode and direct_request\n  paths (bsc#1271318).\n- CVE-2026-57213: stored XSS in RabbitMQ federation management plugin via unsanitized consumer_tag rendering\n  (bsc#1271336).\n- CVE-2026-57214: stored XSS in RabbitMQ management UI (bsc#1271337).\n- CVE-2026-57215: direct-reply-to binding persistence can lead to unauthorized reply-channel injection and persistent\n  phantom (bsc#1271338).\n- CVE-2026-57216: stream Protocol loopback enforcement can lead to remote guest sessions due to listener-address\n  loopback checks (bsc#1271339).\n- CVE-2026-57217: topic authorization can lead to cross-tenant routing-key bypass (bsc#1271340).\n- CVE-2026-57218: consumer persistence can lead to post-revocation message disclosure in OAuth2 (bsc#1271343).\n- CVE-2026-57219: Unauthenticated disclosure of OAuth client credentials via an HTTP API endpoint with certain less\n  common OAuth 2 configurations (bsc#1271344).\n- CVE-2026-57220: stream listener does not enforce configured frame-size limit during authentication, permitting\n  unauth'd mem-exhaust DoS (bsc#1271345).\n- CVE-2026-57221: passive queue/exchange declaration bypasses authorization checks, leaking queue metadata to\n  unprivileged users (bsc#1271346).\n","status":"published","published":"2026-09-22T02:23:51Z","modified":"2026-09-27T18:23:17.142030086Z","updated_at":"2026-11-02T15:54:03.991985Z"}]}}