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.
History

Tue, 10 Feb 2026 17:30:00 +0000

Type Values Removed Values Added
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.
Title Emmett has an Unhandled CookieError Exception Causing Denial of Service
Weaknesses CWE-248
CWE-307
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-02-10T17:01:26.622Z

Reserved: 2026-02-03T01:02:46.714Z

Link: CVE-2026-25577

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-10T18:16:37.290

Modified: 2026-02-10T18:16:37.290

Link: CVE-2026-25577

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.