CVE-2026-41186CWE-200CWE-489information-disclosure

CVE-2026-41186

High · published July 30, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
51.2
In the wild
Unconfirmed
What it is

When Calico's shared debug server is enabled (disabled by default), the Calico kube-controllers and Goldmane components bind their Go pprof debug listener to 0.0.0.0 without authentication. Any pod with network reachability to the listener can retrieve the process heap, goroutine stacks (including function arguments), and command-line arguments. Depending on the process's in-memory state, the heap may contain sensitive material. The debug listener is opt-in but is unsafe when enabled because it offers no authentication and no safe localhost-only binding option.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00666 · 51.2th percentile
Weaknesses
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor; CWE-489 · Active Debug Code
Published
2026-07-30T19:16Z
Affected products (5)
ProductVersionsFixed in
tigera/calico< 3.21.73.21.7
tigera/calico< 3.31.63.31.6
tigera/calico≤ 22.4.0—
tigera/calico≥ 3.22.0, < 3.22.43.22.4
tigera/calico≥ 3.32.0, < 3.32.13.32.1
References (4)
EPSS history
Timeline
  • 30 JUL 14:45Z
    Unauthenticated Go pprof exposure in Calico debug server
    cvelistv5