CVE-2026-78426

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.

CVSS

No CVSS.

References

Link	Resource
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-78426
https://github.com/neuvector/neuvector/security/advisories/GHSA-wcx5-mq6c-c54j

Configurations

No configuration.

History

28 Sep 2026, 13:17

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~3.7~~	v2 : unknown v3 : unknown

17 Sep 2026, 10:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-17 10:17

Updated : 2026-09-28 13:17

NVD link : CVE-2026-78426

Mitre link : CVE-2026-78426

CVE.ORG link : CVE-2026-78426

JSON object : View

Products Affected

No product.

CWE

CWE-863

Incorrect Authorization

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