Vulnerability DatabaseCVE-2026-25577
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CVE-2026-25577
February 10, 2026
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.
Affected Packages
https://github.com/emmett-framework/core.git (GITHUB):
Affected version(s) >=v1.0.0 <v1.3.11
Fix Suggestion:
Update to version v1.3.11
emmett-core (PYTHON):
Affected version(s) >=1.0.0 <1.3.11
Fix Suggestion:
Update to version 1.3.11
Related Resources (5)
https://github.com/emmett-framework/core/security/advisories/GHSA-x6cr-mq53-cc76
https://github.com/emmett-framework/core/commit/c126757133e118119a280b58f3bb345b1c9a8a2a
https://github.com/emmett-framework/core/commit/9557ea23a27cbadf7774d8bca6bbe4b54fa8a3ec
https://github.com/emmett-framework/core
https://nvd.nist.gov/vuln/detail/CVE-2026-25577
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Uncaught Exception
CWE-248
Improper Restriction of Excessive Authentication Attempts
CWE-307
Improper Check or Handling of Exceptional Conditions
CWE-703
EPSS
Base Score:
0.07