{"id":"CVE-2023-46656","aliases":["EUVD-2023-2695","GHSA-8859-v9jp-cphf"],"status":"published","title":"Jenkins Multibranch Scan Webhook Trigger Plugin uses non-constant time webhook token comparison","description":"Jenkins Multibranch Scan Webhook Trigger Plugin 1.0.9 and earlier uses a non-constant time comparison function when checking whether the provided and expected webhook token are equal, potentially allowing attackers to use statistical methods to obtain a valid webhook token.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00666,"percentile":0.52182,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-208","CWE-697"],"published":"2023-10-25T13:45:56Z","modified":"2026-06-17T06:31:18Z","affected":[{"source":"ghsa","ecosystem":"Maven","package":"igalg.jenkins.plugins:multibranch-scan-webhook-trigger","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.0.9"}]}]},{"source":"osv","ecosystem":"Maven","package":"igalg.jenkins.plugins:multibranch-scan-webhook-trigger","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.0.9"}]}],"versions":["1.0.0","1.0.1","1.0.5","1.0.8","1.0.9"]}],"products":[{"vendor":"jenkins","product":"multibranch_scan_webhook_trigger"},{"vendor":"jenkins project","product":"jenkins multibranch scan webhook trigger plugin"}],"references":[{"url":"https://www.jenkins.io/security/advisory/2023-10-25/#SECURITY-2875","tags":["vendor-advisory","x_transferred","Vendor Advisory","web"]},{"url":"http://www.openwall.com/lists/oss-security/2023/10/25/2","tags":["x_transferred","Mailing List","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-46656","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8859-v9jp-cphf"},{"url":"https://github.com/jenkinsci/multibranch-scan-webhook-trigger-plugin","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-46656","description":"Jenkins Multibranch Scan Webhook Trigger Plugin 1.0.9 and earlier uses a non-constant time comparison function when checking whether the provided and expected webhook token are equal, potentially allowing attackers to use statistical methods to obtain a valid webhook token.","status":"published","published":"2023-10-25T13:45:56.888Z","modified":"2025-02-13T17:14:29.123Z","updated_at":"2026-11-02T14:35:23.645864Z"}],"euvd":[{"id":"EUVD-2023-2695","description":"Jenkins Multibranch Scan Webhook Trigger Plugin 1.0.9 and earlier uses a non-constant time comparison function when checking whether the provided and expected webhook token are equal, potentially allowing attackers to use statistical methods to obtain a valid webhook token.","status":"published","published":"2023-10-25T13:45:56Z","modified":"2025-02-13T17:14:29Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"none"}],"updated_at":"2026-11-03T00:03:48.562419Z"}],"ghsa":[{"id":"GHSA-8859-v9jp-cphf","title":"Jenkins Multibranch Scan Webhook Trigger Plugin uses non-constant time webhook token comparison","description":"Jenkins Multibranch Scan Webhook Trigger Plugin 1.0.9 and earlier does not use a constant-time comparison when checking whether the provided and expected webhook token are equal.\n\nThis could potentially allow attackers to use statistical methods to obtain a valid webhook token.\n\nAs of publication of this advisory, there is no fix.","status":"published","published":"2023-10-25T18:32:25Z","modified":"2023-11-11T05:04:54Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-208","CWE-697"],"updated_at":"2026-11-02T14:37:20.311836Z"}],"nvd":[{"id":"CVE-2023-46656","description":"Jenkins Multibranch Scan Webhook Trigger Plugin 1.0.9 and earlier uses a non-constant time comparison function when checking whether the provided and expected webhook token are equal, potentially allowing attackers to use statistical methods to obtain a valid webhook token.","status":"published","published":"2023-10-25T18:17:40.223Z","modified":"2026-06-17T06:31:18.357Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-697"],"updated_at":"2026-11-02T14:08:40.004465Z"}],"osv":[{"id":"GHSA-8859-v9jp-cphf","title":"Jenkins Multibranch Scan Webhook Trigger Plugin uses non-constant time webhook token comparison","description":"Jenkins Multibranch Scan Webhook Trigger Plugin 1.0.9 and earlier does not use a constant-time comparison when checking whether the provided and expected webhook token are equal.\n\nThis could potentially allow attackers to use statistical methods to obtain a valid webhook token.\n\nAs of publication of this advisory, there is no fix.","status":"published","published":"2023-10-25T18:32:25Z","modified":"2024-02-16T08:23:40.088695Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-208","CWE-697"],"updated_at":"2026-11-02T15:46:42.077781Z"}]}}