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Portainer CE allows username enumeration through authentication response timing

Type: advisorySource: OSV2 source records

A user enumeration vulnerability was found in Portainer CE 2.19.4. This issue occurs during user authentication process, where a difference in response time could allow a remote unauthenticated user to determine if a username is valid or not.

Announced Group revision 1
Original source ↗

GO-2026-6619

Revision 1

Portainer CE allows username enumeration through authentication response timing in github.com/portainer/portainer

Portainer CE allows username enumeration through authentication response timing in github.com/portainer/portainer

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:GO-2026-6619

github.com/portainer/portainer

Source reference: /affected/0/package/name

Affected versions
Not stated in this record
Fixed versions
0.6.1-0.20240417040827-48bc7d0d92f0

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "SEMVER",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0.6.1-0.20240417040827-48bc7d0d92f0"
          }
        ]
      }
    ],
    "package": {
      "name": "github.com/portainer/portainer",
      "purl": "pkg:golang/github.com/portainer/portainer",
      "ecosystem": "Go"
    },
    "database_specific": {
      "source": "https://vuln.go.dev/ID/GO-2026-6619.json"
    },
    "ecosystem_specific": {}
  }
]
Related CVEs
CVE-2024-29296

Source reference: /aliases

Publisher severity

No explicit severity was provided.

Event
#63853 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement

GHSA-87x6-8m9v-g8c2

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:GHSA-87x6-8m9v-g8c2

github.com/portainer/portainer

Source reference: /affected/0/package/name

Affected versions
Not stated in this record
Fixed versions
0.6.1-0.20240417040827-48bc7d0d92f0

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "SEMVER",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0.6.1-0.20240417040827-48bc7d0d92f0"
          }
        ]
      }
    ],
    "package": {
      "name": "github.com/portainer/portainer",
      "purl": "pkg:golang/github.com/portainer/portainer",
      "ecosystem": "Go"
    },
    "database_specific": {
      "source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/04/GHSA-87x6-8m9v-g8c2/GHSA-87x6-8m9v-g8c2.json"
    }
  }
]
Related CVEs
CVE-2024-29296

Source reference: /aliases

Publisher severity

No explicit severity was provided.

Event
#63921 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement

Revision history

  1. GHSA-87x6-8m9v-g8c2 · Revision 1Source updated
  2. GO-2026-6619 · Revision 1Source updated