TI-2018-09100 Aliases CVE-2018-12678 GHSA-hjhc-cm5p-86hq

Portainer before 1.18.0 supports unauthenticated requests to the websocket endpoint with…

MEDIUM 46CWE-918Published 2018-06-22 · Updated 2024-09-17

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.02272 83rd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:portainer:portainer::::::::	before 1.18.0	Vulnerable	portainer

cpe:2.3:a:portainer:portainer:*:*:*:*:*:*:*:* Versions before 1.18.0 Vulnerable ·portainer

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-12678
2026-10-03 Alias added: GHSA-hjhc-cm5p-86hq

References

Patch 1

https://github.com/portainer/portainer/pull/1979

Advisory 1

https://github.com/portainer/portainer/releases/tag/1.18.0

TI-2026-32726 Portainer: Missing authorization on Docker plugin endpoints allows host RCE CVSS 4.0CRITICAL 9.4
TI-2026-32758 Portainer: JWT accepted in URL query leaks tokens to logs and referers CVSS 4.0HIGH 7.7
TI-2026-32727 Portainer: Endpoint security bypass via Swarm service create/update CVSS 4.0CRITICAL 9.4
TI-2020-14859 Portainer 1.24.1 and earlier is affected by incorrect access control that may lead to… CVSS 3.1CRITICAL 9.8
TI-2024-22245 Portainer before 2.20.0 allows redirects when the target is not index.yaml. CVSS 3.1CRITICAL 9.1
TI-2018-13786 A vulnerability was found in Portainer before 1.20.0. CVSS 3.0CRITICAL 9.8

See all 25 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences