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Advisory record · GHSA-2h46-8gf5-fmxv

Timing-Based Username Enumeration Vulnerability in Fides Webserver Authentication

CVSS 5.3 MediumEPSS 0.0056 · 46th percentile

Published by the GitHub Advisory Database at 4 Sept 2024, 18:03 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
ethyca-fidesPyPI<2.44.02.44.0
Identifiers
GHSA-2h46-8gf5-fmxv · CVE-2024-45052 · PYSEC-2026-1331
Weakness (CWE)
CWE-208
Tags
Published
4 Sept 2024
Updated
10 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Fides webserver authentication in ethyca-fides versions before 2.44.0 is vulnerable to timing-based username enumeration. An unauthenticated remote attacker can measure login response times to tell which usernames exist, which can then support password brute-forcing or credential stuffing. Upgrade to ethyca-fides 2.44.0 or later. No workaround is listed.

Written 4 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.3 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0056, the 46th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:29 UTC First seen by agentprime
  2. 31 Oct 2026, 14:29 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.