{"id":"CVE-2026-41132","aliases":["EUVD-2026-30116","GHSA-mpfm-fpgx-647q","PYSEC-2026-2419"],"status":"published","title":"CKAN: No certificate validation on STMP connection","description":"CKAN is an open-source DMS (data management system) for powering data hubs and data portals. Prior to 2.10.10 and 2.11.5, the configured SMTP server may be spoofed with any certificate (e.g. self-signed), leaving credentials and all emails sent open to MITM attacks. This vulnerability is fixed in 2.10.10 and 2.11.5.","severity":{"version":"4.0","score":6.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00194,"percentile":0.09176,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-295"],"published":"2026-04-29T20:33:20Z","modified":"2026-11-11T20:10:00Z","fixes":[{"ecosystem":"PyPI","package":"ckan","fixed_in":["2.11.5","2.10.10"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"ckan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.11.0"},{"last_affected":"2.11.4"},{"fixed":"2.11.5"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"ckan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.10.10"}]}]},{"source":"osv","ecosystem":"PyPI","package":"ckan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.11.0"},{"fixed":"2.11.5"}]}],"versions":["2.11.0","2.11.1","2.11.2","2.11.3","2.11.4"]},{"source":"osv","ecosystem":"PyPI","package":"ckan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.10.10"}]}],"versions":["0.11","0.3","0.4","0.5","0.6","0.7","0.8","1.0","1.1","1.2","1.3","1.3.2","1.3.3","1.4","1.4.1","1.4.2","1.4.3","1.4.3.1","1.5","1.5.1","1.6","1.7","1.7.1","1.8","2.0","2.0.1","2.0.7","2.0.8","2.1","2.1.1","2.1.5","2.1.6","2.10.0","2.10.1","2.10.3","2.10.4","2.10.5","2.10.6","2.10.7","2.10.8","2.10.9","2.2","2.2.1","2.2.3","2.2.4","2.3","2.3.1","2.3.2","2.3.3","2.3.4","2.3.5","2.4.0","2.4.1","2.4.2","2.4.3","2.4.4","2.4.5","2.4.8","2.4.9","2.5.0","2.5.1","2.5.2","2.5.3","2.5.4","2.5.6","2.5.7","2.5.8","2.5.9","2.6.0","2.6.1","2.6.3","2.6.4","2.6.5","2.6.6","2.6.7","2.6.8","2.6.9","2.7.0","2.7.1","2.7.10","2.7.11","2.7.12","2.7.2","2.7.3","2.7.4","2.7.5","2.7.6","2.7.7","2.7.8","2.7.9","2.8.0","2.8.1","2.8.10","2.8.11","2.8.12","2.8.2","2.8.3","2.8.4","2.8.5","2.8.6","2.8.7","2.8.8","2.8.9","2.9.0","2.9.1","2.9.10","2.9.11","2.9.2","2.9.3","2.9.4","2.9.5","2.9.6","2.9.7","2.9.8","2.9.9"]},{"source":"osv","ecosystem":"PyPI","package":"ckan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.10.10"},{"introduced":"2.11.0"},{"fixed":"2.11.5"}]}],"versions":["0.11","0.3","0.4","0.5","0.6","0.7","0.8","1.0","1.1","1.2","1.3","1.3.2","1.3.3","1.4","1.4.1","1.4.2","1.4.3","1.4.3.1","1.5","1.5.1","1.6","1.7","1.7.1","1.8","2.0","2.0.1","2.0.7","2.0.8","2.1","2.1.1","2.1.5","2.1.6","2.10.0","2.10.1","2.10.3","2.10.4","2.10.5","2.10.6","2.10.7","2.10.8","2.10.9","2.11.0","2.11.1","2.11.2","2.11.3","2.11.4","2.2","2.2.1","2.2.3","2.2.4","2.3","2.3.1","2.3.2","2.3.3","2.3.4","2.3.5","2.4.0","2.4.1","2.4.2","2.4.3","2.4.4","2.4.5","2.4.8","2.4.9","2.5.0","2.5.1","2.5.2","2.5.3","2.5.4","2.5.6","2.5.7","2.5.8","2.5.9","2.6.0","2.6.1","2.6.3","2.6.4","2.6.5","2.6.6","2.6.7","2.6.8","2.6.9","2.7.0","2.7.1","2.7.10","2.7.11","2.7.12","2.7.2","2.7.3","2.7.4","2.7.5","2.7.6","2.7.7","2.7.8","2.7.9","2.8.0","2.8.1","2.8.10","2.8.11","2.8.12","2.8.2","2.8.3","2.8.4","2.8.5","2.8.6","2.8.7","2.8.8","2.8.9","2.9.0","2.9.1","2.9.10","2.9.11","2.9.2","2.9.3","2.9.4","2.9.5","2.9.6","2.9.7","2.9.8","2.9.9"]}],"products":[{"vendor":"ckan","product":"ckan"},{"vendor":"okfn","product":"ckan"}],"references":[{"url":"https://github.com/ckan/ckan/security/advisories/GHSA-mpfm-fpgx-647q","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory","web"]},{"url":"https://docs.ckan.org/en/2.10/changelog.html#v-2-10-10-2026-04-29","tags":["web"]},{"url":"https://docs.ckan.org/en/2.11/changelog.html#v-2-11-5-2026-04-29","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41132","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-mpfm-fpgx-647q","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41132.json","tags":["advisory"]},{"url":"https://github.com/ckan/ckan","tags":["package"]},{"url":"https://pypi.org/project/ckan","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-41132","title":"CKAN: No certificate validation on STMP connection","description":"CKAN is an open-source DMS (data management system) for powering data hubs and data portals. Prior to 2.10.10 and 2.11.5, the configured SMTP server may be spoofed with any certificate (e.g. self-signed), leaving credentials and all emails sent open to MITM attacks. This vulnerability is fixed in 2.10.10 and 2.11.5.","status":"published","published":"2026-05-13T18:53:28.25Z","modified":"2026-05-14T15:42:18.881Z","cvss":[{"version":"4.0","score":6.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U","level":"medium","assessor":"cna"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T13:41:08.498858Z"}],"euvd":[{"id":"EUVD-2026-30116","description":"CKAN is an open-source DMS (data management system) for powering data hubs and data portals. Prior to 2.10.10 and 2.11.5, the configured SMTP server may be spoofed with any certificate (e.g. self-signed), leaving credentials and all emails sent open to MITM attacks. This vulnerability is fixed in 2.10.10 and 2.11.5.","status":"published","published":"2026-05-13T18:53:28Z","modified":"2026-05-14T15:42:18Z","cvss":[{"version":"4.0","score":6.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U","level":"medium"}],"updated_at":"2026-11-02T19:04:31.113278Z"}],"ghsa":[{"id":"GHSA-mpfm-fpgx-647q","title":"CKAN has no certificate validation on STMP connection","description":"### Impact\nConfigured SMTP server may be spoofed with any certificate (e.g. self-signed), leaving credentials and all emails sent open to MITM attacks.\n\n### Patches\nThe vulnerability has been patched in CKAN 2.10.10 and CKAN 2.11.5","status":"published","published":"2026-04-29T20:33:20Z","modified":"2026-05-14T20:39:40Z","cvss":[{"version":"4.0","score":6.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:40:09.033429Z"}],"nvd":[{"id":"CVE-2026-41132","description":"CKAN is an open-source DMS (data management system) for powering data hubs and data portals. Prior to 2.10.10 and 2.11.5, the configured SMTP server may be spoofed with any certificate (e.g. self-signed), leaving credentials and all emails sent open to MITM attacks. This vulnerability is fixed in 2.10.10 and 2.11.5.","status":"published","published":"2026-05-13T19:17:21.553Z","modified":"2026-11-11T20:10:00.273Z","cvss":[{"version":"4.0","score":6.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/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":"medium","assessor":"secondary"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-11T21:26:15.366289Z"}],"osv":[{"id":"CVE-2026-41132","title":"CKAN: No certificate validation on STMP connection","description":"CKAN is an open-source DMS (data management system) for powering data hubs and data portals. Prior to 2.10.10 and 2.11.5, the configured SMTP server may be spoofed with any certificate (e.g. self-signed), leaving credentials and all emails sent open to MITM attacks. This vulnerability is fixed in 2.10.10 and 2.11.5.","status":"published","published":"2026-05-13T18:53:28.25Z","modified":"2026-10-28T02:30:49.776069001Z","cvss":[{"version":"4.0","score":6.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:45:03.424067Z"},{"id":"GHSA-mpfm-fpgx-647q","title":"CKAN has no certificate validation on STMP connection","description":"### Impact\nConfigured SMTP server may be spoofed with any certificate (e.g. self-signed), leaving credentials and all emails sent open to MITM attacks.\n\n### Patches\nThe vulnerability has been patched in CKAN 2.10.10 and CKAN 2.11.5","status":"published","published":"2026-04-29T20:33:20Z","modified":"2026-07-13T16:42:44.903152716Z","cvss":[{"version":"4.0","score":6.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:46:52.170928Z"},{"id":"PYSEC-2026-2419","title":"CKAN has no certificate validation on STMP connection","description":"### Impact\nConfigured SMTP server may be spoofed with any certificate (e.g. self-signed), leaving credentials and all emails sent open to MITM attacks.\n\n### Patches\nThe vulnerability has been patched in CKAN 2.10.10 and CKAN 2.11.5","status":"published","published":"2026-07-13T15:02:54.975291Z","modified":"2026-07-13T16:31:42.476985988Z","cvss":[{"version":"4.0","score":6.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U","level":"medium"}],"updated_at":"2026-11-02T15:52:55.961245Z"}]}}