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2.0 Low

CVE-2026-78426 The NeuVector JWT verifier accepts noncanonical Base64URL encodings of the same RSA signature field

Description

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.

Affected products and versions

Product Affected versions Fixed in
neuvector 5.6 earliest → 5.6.1 No fix stated
neuvector 5.6 earliest → 5.6.1 No fix stated

References

Timeline

  1. Published
  2. Last modified

Other CVEs of neuvector

The 2 CVEs of neuvector →
CVE-2026-78428 For users authenticated through SAML or OpenID Connect (OIDC), this vulnerability can result in one user receiving… 8.8 High
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