AIKIDO-2026-72996
@vendure/core is vulnerable to Observable Timing Discrepancy
53
Medium Risk
This Affects:
@vendure/coreTL;DR
An earlier timing-attack fix added dummy password hashing for non-existent accounts, but verifyUserPassword still returns early for users that have no native authentication method, as is common for external-auth accounts. Those early returns skip the hashing work, so response timing distinguishes registered external-auth accounts from non-existent addresses, enabling user enumeration. The fix performs an equivalent dummy hashing operation on every early-return branch to keep timing uniform.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you use external authentication strategies so that some accounts have no native password set.
Background info
@vendure/core is vulnerable to Observable Timing Discrepancy in versions 0.0.1 - 3.7.2.
How to fix this
Upgrade the @vendure/core library to the patch version.
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SOC 2Compliant
ISO 27001CompliantISO 42001Compliant
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