CVE-2026-89312 Details
Description
`AesGcmCryptor.Open` passed a caller-supplied nonce straight to `cipher.AEAD.Open` without checking its length. The Go standard library **panics** rather than returning an error when a GCM nonce is not exactly `NonceSize()` bytes, so a JWE carrying a wrong-sized IV crashes the decrypting goroutine.
A denial-of-service vulnerability has been identified in the Eclipse KeyPont Go library, specifically in versions of the library prior to 1.0.0-rc4. The issue arises in the 'AesGcmCryptor.Open' method, which passes a caller-supplied nonce directly to the 'cipher.AEAD.Open' function without verifying its length. In the Go standard library, the GCM nonce must be exactly 12 bytes; otherwise, the 'Open' function panics instead of returning an error. This flaw can cause a JWE (JSON Web Encryption) message with an incorrectly sized initialization vector (IV) to crash the decrypting goroutine, leading to a process termination in environments that do not recover from panics.
Users can upgrade to 'github.com/eclipse-keypont/gose' version 'v1.0.0-rc4' or later. Those still on 'github.com/ThalesGroup/gose' must change the module path to 'github.com/eclipse-keypont/gose', as the ThalesGroup version is deprecated and vulnerable.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 23, 2026CISA-ADP
Assessed Nov 2, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/eclipse-keypont/gose/security/advisories/GHSA-xx6h-2jgg-93m2 | [email protected] | AdvisoryRemedyVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-248 | Uncaught Exception | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Eclipse KeyPont gose | < 1.0.0-rc4 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 2, 2026 | CVE Modified | CISA-ADP |
| Oct 23, 2026 | New CVE Received | [email protected] |