CVE-2025-63811

PoC —

CVSS 3.1

7.5 high

EPSS

<1%p16

Published

Nov 12, 2025 (Nov 12, 2025)

Modified

Jun 17, 2026

Description

An issue was discovered in dvsekhvalnov jose2go 1.5.0 thru 1.7.0 allowing an attacker to cause a Denial-of-Service (DoS) via crafted JSON Web Encryption (JWE) token with an exceptionally high compression ratio.

Vendors: dvsekhvalnov
Products: jose2go
Weakness: CWE-400
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.2%)

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