CVE-2026-15432

Vulnerability Description

When verifying a mac with a ChunkedMacVerification object, Tink compares the resulting tag with non constant time comparison. This potentially allows an attacker to use timinig information as a side channel in order to get information how many bytes of a given tag match the correct tag. This in turn could allow to find a correct tag bytewise.

Vulnerability Details

Published Date

July 21, 2026

Last Modified

July 22, 2026

CWE ID

CWE-208

Source

NVD

Vendor

Google

Product

Tink-Java, Tink-Android

External References

https://github.com/tink-crypto/tink-java/issues/75

Vulnerability Description

Vulnerability Details

External References

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