CVE-2018-12678

Name: CVE-2018-12678
Creator: NVD / NIST
Published: 2018-06-22T18:29:00.263+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.31%

Last modified Jun 17, 2026

CVE-2018-12678 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.31% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

2.31%

81.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

Affected Software

Vendor	Product	Versions
Portainer	Portainer	< 1.18.0

References

https://github.com/portainer/portainer/pull/1979Issue Tracking, Patch, Third Party Advisory
https://github.com/portainer/portainer/releases/tag/1.18.0Issue Tracking, Third Party Advisory
https://github.com/portainer/portainer/pull/1979Issue Tracking, Patch, Third Party Advisory
https://github.com/portainer/portainer/releases/tag/1.18.0Issue Tracking, Third Party Advisory

Timeline

Published: Jun 22, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-12678?

How severe is CVE-2018-12678?

Severity scoring for CVE-2018-12678 is pending analysis. The EPSS model estimates a 2.31% probability of exploitation in the next 30 days.

How do I fix CVE-2018-12678?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-12678?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST