Input Validation Flaw in JweDirectDecryptorBlock Affects Eclipse KeyPont
CVE-2026-89319

6.3MEDIUM

Key Information:

Vendor
CVE Published:
23 October 2026

What is CVE-2026-89319?

An input validation flaw in the JweDirectDecryptorBlock's decryption process allows the reading of an unvalidated 64-bit plaintext length from a protected-header field. This issue may lead to panic conditions in the application if the field is truncated, resulting in errors during binary conversion and causing unsafe memory allocations. Furthermore, oversized values can trigger additional errors, compromising the overall stability and security of the application.

Affected Version(s)

Eclipse KeyPont - GOSE 0.9.0 <= 0.13.0-rc1

Eclipse KeyPont - GOSE 0 < 1.0.0-rc1

References

CVSS V4

Score:
6.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Eclipse Foundation Security Team
.