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CVE-2026-78426

Logout bypass via alternate JWT spelling PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
SUSE / neuvectoraffected 0 through v5.6.1

CWE

CWE-863

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.