CVE-2026-78426
Logout bypass via alternate JWT spelling
CVSS Score
3.7
EPSS Score
0.0%
EPSS Percentile
0th
The NeuVector JWT verifier accepts noncanonical Base64URL encodings of the same RSA signature field. An attacker holding a valid JWT that has not expired, but was logged out of NeuVector, can continue using the non-expired token with equivalent spelling of the RSA signature field until the token validity expires.
| CWE | CWE-863 |
| Vendor | go |
| Product | neuvector |
| Published | Sep 17, 2026 |
Stay Ahead of the Next One
Get instant alerts for go neuvector
Be the first to know when new low vulnerabilities affecting go neuvector are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
go / neuvector
0 ≤ v5.6.1