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Vulnerability record · CVE-2018-19466 · published 27 March 2019

CVE-2018-19466: Portainer insufficiently protected credentials vulnerability

Portainer · Portainer

A vulnerability was found in Portainer before 1.20.0. Portainer stores LDAP credentials, corresponding to a master password, in cleartext and allows their retrieval via API calls.

9.8 CVSS 3.0 Critical EPSS 3.7% · top 10.6% CWE-522 · Insufficiently protected credentials
9.8CVSS 3.0 base score, v2 5.0
3.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability was found in Portainer before 1.20.0. Portainer stores LDAP credentials, corresponding to a master password, in cleartext and allows their retrieval via API calls.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/MauroEldritch/lempo ExploitPatchThird Party Advisory
https://github.com/portainer/portainer/pull/2488 PatchThird Party Advisory
https://github.com/portainer/portainer/releases Release NotesThird Party Advisory
https://github.com/MauroEldritch/lempo ExploitPatchThird Party Advisory
https://github.com/portainer/portainer/pull/2488 PatchThird Party Advisory
https://github.com/portainer/portainer/releases Release NotesThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.9CVE-2019-16872Portainer vulnerabilityPortainer before 1.22.1 has Incorrect Access Control (issue 1 of 4).EPSS 1.4%9.8CVE-2022-24961Portainer vulnerabilityIn Portainer Agent before 2.11.1, an API server can continue running even if not associated with a Portainer instance in the past few days.EPSS 1.6%9.8CVE-2020-24264Portainer incorrect authorization vulnerabilityPortainer 1.24.1 and earlier is affected by incorrect access control that may lead to remote arbitrary code execution. The restriction checks for bin…EPSS 4.1%9.8CVE-2018-19367Portainer vulnerabilityPortainer through 1.19.2 provides an API endpoint (/api/users/admin/check) to verify that the admin user is already created. This API endpoint will r…EPSS 1.5%9.8CVE-2018-12678Portainer server-side request forgery (ssrf) vulnerabilityPortainer before 1.18.0 supports unauthenticated requests to the websocket endpoint with an unvalidated id query parameter for the /websocket/exec en…EPSS 2.3%9.4CVE-2026-44848Portainer missing authorization vulnerabilityPortainer Community Edition is a lightweight service delivery platform for containerized applications that can be used to manage Docker, Swarm, Kuber…EPSS 0.45%9.4CVE-2026-44849Portainer missing authorization vulnerabilityPortainer Community Edition is a lightweight service delivery platform for containerized applications that can be used to manage Docker, Swarm, Kuber…EPSS 0.45%9.1CVE-2024-33661Portainer open redirect vulnerabilityPortainer before 2.20.0 allows redirects when the target is not index.yaml.EPSS 0.62%

Source: NIST National Vulnerability Database (record CVE-2018-19466), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.