{"id":"CVE-2026-32096","aliases":["EUVD-2026-11336","GHSA-xpqg-p8mp-7g44"],"status":"published","title":"Plunk has SSRF via unvalidated AWS SNS SubscriptionConfirmation in POST /webhooks/sns","description":"Plunk is an open-source email platform built on top of AWS SES. Prior to 0.7.0, a Server-Side Request Forgery (SSRF) vulnerability existed in the SNS webhook handler. An unauthenticated attacker could send a crafted request that caused the server to make an arbitrary outbound HTTP GET request to any host accessible from the server. This vulnerability is fixed in 0.7.0.","severity":{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00314,"percentile":0.24582,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-918"],"published":"2026-03-11T19:53:39Z","modified":"2026-10-28T02:31:01Z","exploits":[{"source":"pocgithub","id":"andrebhu/CVE-2026-32096","title":"andrebhu/CVE-2026-32096","date":"2026-03-31","url":"https://github.com/andrebhu/CVE-2026-32096"}],"products":[{"vendor":"useplunk","product":"plunk"}],"references":[{"url":"https://github.com/useplunk/plunk/security/advisories/GHSA-xpqg-p8mp-7g44","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory"]},{"url":"https://github.com/useplunk/plunk/commit/b8f1ad9ab53c78f8ef063fdc125f397c8bfc7652","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32096.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32096","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-32096","title":"Plunk has SSRF via unvalidated AWS SNS SubscriptionConfirmation in POST /webhooks/sns","description":"Plunk is an open-source email platform built on top of AWS SES. Prior to 0.7.0, a Server-Side Request Forgery (SSRF) vulnerability existed in the SNS webhook handler. An unauthenticated attacker could send a crafted request that caused the server to make an arbitrary outbound HTTP GET request to any host accessible from the server. This vulnerability is fixed in 0.7.0.","status":"published","published":"2026-03-11T19:53:39.734Z","modified":"2026-03-12T20:00:12.401Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"critical","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:19:57.100857Z"}],"euvd":[{"id":"EUVD-2026-11336","description":"Plunk is an open-source email platform built on top of AWS SES. Prior to 0.7.0, a Server-Side Request Forgery (SSRF) vulnerability existed in the SNS webhook handler. An unauthenticated attacker could send a crafted request that caused the server to make an arbitrary outbound HTTP GET request to any host accessible from the server. This vulnerability is fixed in 0.7.0.","status":"published","published":"2026-03-11T19:53:39Z","modified":"2026-03-12T20:00:12Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"critical"}],"updated_at":"2026-11-02T19:25:35.389351Z"}],"nvd":[{"id":"CVE-2026-32096","description":"Plunk is an open-source email platform built on top of AWS SES. Prior to 0.7.0, a Server-Side Request Forgery (SSRF) vulnerability existed in the SNS webhook handler. An unauthenticated attacker could send a crafted request that caused the server to make an arbitrary outbound HTTP GET request to any host accessible from the server. This vulnerability is fixed in 0.7.0.","status":"published","published":"2026-03-11T20:16:18.09Z","modified":"2026-06-17T10:35:07.66Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"critical","assessor":"secondary"},{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:12:08.98071Z"}],"osv":[{"id":"CVE-2026-32096","title":"Plunk has SSRF via unvalidated AWS SNS SubscriptionConfirmation in POST /webhooks/sns","description":"Plunk is an open-source email platform built on top of AWS SES. Prior to 0.7.0, a Server-Side Request Forgery (SSRF) vulnerability existed in the SNS webhook handler. An unauthenticated attacker could send a crafted request that caused the server to make an arbitrary outbound HTTP GET request to any host accessible from the server. This vulnerability is fixed in 0.7.0.","status":"published","published":"2026-03-11T19:53:39.734Z","modified":"2026-10-28T02:31:01.339722435Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"critical"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:45:01.218144Z"}]}}