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Advisory record · GHSA-87x6-8m9v-g8c2

Portainer CE allows username enumeration through authentication response timing

CVSS 5.3 MediumEPSS 0.013 · 69th percentile

Published by the GitHub Advisory Database at 10 Apr 2024, 15:30 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
github.com/portainer/portainerGo<0.6.1-0.20240417040827-48bc7d0d92f00.6.1-0.20240417040827-48bc7d0d92f0
Identifiers
GHSA-87x6-8m9v-g8c2 · CVE-2024-29296 · GO-2026-6619
Weakness (CWE)
CWE-286
Tags
Published
10 Apr 2024
Updated
1 Oct 2026

Machine-written summary

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

Portainer CE (github.com/portainer/portainer) versions before 0.6.1-0.20240417040827-48bc7d0d92f0 are affected. A remote unauthenticated attacker can measure differences in authentication response time to determine whether a given username is valid. Upgrade to 0.6.1-0.20240417040827-48bc7d0d92f0 or later. The source gives few details beyond this.

Written 1 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 GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS 0.013, the 69th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:12 UTC First seen by agentprime
  2. 31 Oct 2026, 14:12 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.