GitHub Advisoryadvisory · Go

GHSA-9mj6-hxhv-w67j jose2go is vulnerable to a JWT bomb attack through its decode function

HIGH Published 2025-11-12 Modified 2025-11-14 Official page ↗
Aliases
CVE-2025-63811
Ecosystem
Go
Packages
github.com/dvsekhvalnov/jose2go
Severity
High
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-400
Reviewed
2025-11-14

Affected packages

• Go github.com/dvsekhvalnov/jose2go: < 1.7.0 → fixed in 1.7.0

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.

Related

Alias · CVE (1)

  • CVE-2025-63811 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… vulnerability

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References