UpHeron
All vulnerabilities

Servers and applications

CVE-2018-12678

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.

Severity
Critical 9.8
Published
22 Jun 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.18.0
Exploit chance
2.3% in the next 30 daysHigher than 83% of CVEs. EPSS by FIRST, 10 Nov 2026
Weakness
Server-side request forgery (CWE-918)
Attack
Over the network · No login needed · No user action needed
Attacker can
Read data · Change data · Take it down
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Sources
NVD

Affected software

SoftwareAffected versions
PortainerServers and applications · cpe:a:portainer:portainer
  • Every version before 1.18.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-12678
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-12678