VULNERABILITY INTELLIGENCE

CVE-2018-12678

CVSS score9.8 CRITICAL

EPSS probability2.31%

CISA KEVNot currently listed

Published2018-06-22

Last modified2026-06-17

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

Description

Portainer before 1.18.0 supports unauthenticated requests to the websocket endpoint with an unvalidated id query parameter for the /websocket/exec endpoint, which allows remote attackers to bypass intended access restrictions or conduct SSRF attacks.

Weakness classification

CWE-918: Server-Side Request Forgery (SSRF)

Primary references

cve@mitre.org — Issue Tracking, Patch, Third Party Advisory
cve@mitre.org — Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory