Insecure default permissions in Portainer CE
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.5epss 0.5%
exploitation probability
0.5%top 63% of all CVEs
observed exploitation
nono source reports it
Insecure default settings of Portainer CE grant regular (non-admin) users privileges that allow host filesystem access and host-level code execution. An authenticated non-administrative user with endpoint access can exploit these settings to read host files or obtain root equivalent
access on the host.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
Affected products
Portainer · Portainer Community EditionReferences
https://github.com/portainer/portainer/commit/3e2fdb1891e81a8e4c5c8beb60e45f07c8ecae52https://github.com/portainer/portainer/commit/ac8fa7672e732b44b970c9eaf928eddd2c68796chttps://intwave.com/blog/2026/02/26/improving-portainer-security.htmlhttp://www.openwall.com/lists/oss-security/2026/06/12/2