Skip to content
Every CVE
Browse
Docs
Sources
Guide
Search
/
Get
API key
Every CVE
Vendors
Posit Software, Pbc
Rstudio Server
Posit Software, Pbc Rstudio Server vulnerabilities
Any severity
Critical
High or worse
Medium or worse
Low or worse
Any EPSS
EPSS 10% or more
EPSS 50% or more
EPSS 90% or more
Known exploited
In KEV
Public exploit
Fix available
Apply
posit software, pbc
workbench
,
rstudio server
+1 more
RStudio Server / Posit Workbench localhost port-proxy does not enforce per-session port ownership
CVE-2026-121880
4.7
Medium
November 6, 2026
esc
Pages
All vulnerabilities
Browse
Docs
Sources
Guide
Get API key
Move
Enter
Open