{"id":"CVE-2025-27912","aliases":["EUVD-2025-7820","GHSA-mpcp-p2wc-692j"],"status":"published","title":"An issue was discovered in Datalust Seq before 2024.3.13545. Missing Content-Type validation can...","description":"An issue was discovered in Datalust Seq before 2024.3.13545. Missing Content-Type validation can lead to CSRF when (1) Entra ID or OpenID Connect authentication is in use and a user visits a compromised/malicious site, or (2) when username/password or Active Directory authentication is in use and a user visits a compromised/malicious site under the same effective top-level domain as the Seq server. Exploitation of the vulnerability allows the attacker to conduct impersonation attacks and perform actions in Seq on behalf of the targeted user.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00189,"percentile":0.08621,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352"],"published":"2025-03-11T00:00:00Z","modified":"2026-06-17T09:04:22Z","products":[{"vendor":"datalust","product":"seq"}],"references":[{"url":"https://datalust.co/seq","tags":["Product"]},{"url":"https://github.com/datalust/seq-tickets/issues/2366","tags":["Issue Tracking","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27912"},{"url":"https://github.com/advisories/GHSA-mpcp-p2wc-692j"}],"sources":{"cve":[{"id":"CVE-2025-27912","description":"An issue was discovered in Datalust Seq before 2024.3.13545. Missing Content-Type validation can lead to CSRF when (1) Entra ID or OpenID Connect authentication is in use and a user visits a compromised/malicious site, or (2) when username/password or Active Directory authentication is in use and a user visits a compromised/malicious site under the same effective top-level domain as the Seq server. Exploitation of the vulnerability allows the attacker to conduct impersonation attacks and perform actions in Seq on behalf of the targeted user.","status":"published","published":"2025-03-11T00:00:00Z","modified":"2025-03-11T13:20:54.633Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:32:42.411662Z"}],"euvd":[{"id":"EUVD-2025-7820","description":"An issue was discovered in Datalust Seq before 2024.3.13545. Missing Content-Type validation can lead to CSRF when (1) Entra ID or OpenID Connect authentication is in use and a user visits a compromised/malicious site, or (2) when username/password or Active Directory authentication is in use and a user visits a compromised/malicious site under the same effective top-level domain as the Seq server. Exploitation of the vulnerability allows the attacker to conduct impersonation attacks and perform actions in Seq on behalf of the targeted user.","status":"published","published":"2025-03-11T00:00:00Z","modified":"2025-03-11T13:20:54Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T20:53:08.182954Z"}],"ghsa":[{"id":"GHSA-mpcp-p2wc-692j","title":"An issue was discovered in Datalust Seq before 2024.3.13545. Missing Content-Type validation can...","description":"An issue was discovered in Datalust Seq before 2024.3.13545. Missing Content-Type validation can lead to CSRF when (1) Entra ID or OpenID Connect authentication is in use and a user visits a compromised/malicious site, or (2) when username/password or Active Directory authentication is in use and a user visits a compromised/malicious site under the same effective top-level domain as the Seq server. Exploitation of the vulnerability allows the attacker to conduct impersonation attacks and perform actions in Seq on behalf of the targeted user.","status":"published","published":"2025-03-11T09:30:30Z","modified":"2025-03-11T09:30:38Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:00:12.792548Z"}],"nvd":[{"id":"CVE-2025-27912","description":"An issue was discovered in Datalust Seq before 2024.3.13545. Missing Content-Type validation can lead to CSRF when (1) Entra ID or OpenID Connect authentication is in use and a user visits a compromised/malicious site, or (2) when username/password or Active Directory authentication is in use and a user visits a compromised/malicious site under the same effective top-level domain as the Seq server. Exploitation of the vulnerability allows the attacker to conduct impersonation attacks and perform actions in Seq on behalf of the targeted user.","status":"published","published":"2025-03-11T08:15:11.727Z","modified":"2026-06-17T09:04:22.533Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:10:53.93104Z"}]}}