{"id":"CVE-2026-25577","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-25577","generatedAt":"2026-10-28T05:59:23.123Z","title":"This allows unauthenticated attackers to trigger HTTP 500 errors and cause denial of service.","description":"Emmett is a framework designed to simplify your development process. Prior to 1.3.11, the cookies property in mmett_core.http.wrappers.Request does not handle CookieError exceptions when parsing malformed Cookie headers. This allows unauthenticated attackers to trigger HTTP 500 errors and cause denial of service. This vulnerability is fixed in 1.3.11.","published":"2026-02-10T18:16:37.000Z","lastModified":"2026-06-17T10:24:53.000Z","status":"Deferred","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-248","CWE-307"],"affected":[],"epss":{"score":0.00311,"percentile":0.23868,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/emmett-framework/core/commit/9557ea23a27cbadf7774d8bca6bbe4b54fa8a3ec","source":"security-advisories@github.com"},{"url":"https://github.com/emmett-framework/core/security/advisories/GHSA-x6cr-mq53-cc76","source":"security-advisories@github.com"},{"url":"https://github.com/emmett-framework/core/security/advisories/GHSA-x6cr-mq53-cc76","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-25577","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}