CVE-2018-12678 json
Portainer before 1.18.0 supports unauthenticated requests to the websocket endpoint with an unvalidated id query parameter for the /websock…
published 8y ago modified 4mo ago also EUVD-2018-4633
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.3%
- EPSS 2.3% chance of exploitation in 30 days, percentile 83%
- public exploits
- 0
- none known
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.
Patch / fix
- portainer portainer 1.18.0
- github.com/portainer/portainer#1979 pull request
- github.com/portainer/portainer/releases/tag/1.18.0 release
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Check with FencerExploit prediction
2.27% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-918 Server-Side Request Forgery
References
-
github.com
/portainer/portainer/pull/1979
issue-tracking, patch, third-party-advisory
-
github.com
/portainer/portainer/releases/tag/1.18.0
issue-tracking, third-party-advisory
Sources
- CVE List CVE-2018-12678
- NVD CVE-2018-12678
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.