What is CVE-2026-25577?

CVE-2026-25577 is a high-severity vulnerability in Emmett-framework Core, classified under CWE-248. CVSS score: 7.5/10. Published 2026-02-10.

How severe is CVE-2026-25577?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Emmett-framework Core

CVE-2026-25577

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 unauth…

EPSS: 0.003 (18.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Emmett-framework Core — versions < 1.3.11

Weakness classification (CWE)

CWE-248
CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-25577?: CVE-2026-25577 is a high-severity vulnerability in Emmett-framework Core, classified under CWE-248. CVSS score: 7.5/10. Published 2026-02-10.
How severe is CVE-2026-25577?: High severity. CVSS v3 base score is 7.5 out of 10.