CVE-2026-44935CWE-1287

Rancher Fleet vulnerable to cross namespace secret disclosure via unvalidated `valuesFrom` references in Helm Deployer

Critical · published July 2, 2026

CVSS v3.1
9.9
EPSS
0%
Percentile
41.2
In the wild
Unconfirmed
What it is

Missing validation of "valuesFrom" references in Helm Deployer of SUSE Rancher Fleet 0.15 before 0.15.2, 0.14 before 0.14.6, 0.13 before 0.13.11 and 0.12 before 0.12.15 could be used by owners of one tenant to access fleet credentials of other tenants.

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00490 · 41.2th percentile
Weakness
CWE-1287 · Improper Validation of Specified Type of Input
Published
2026-07-02T16:00Z
EPSS history
Timeline
  • 02 JUL 16:00Z
    Rancher Fleet vulnerable to cross namespace secret disclosure via unvalidated `valuesFrom` references in Helm Deployer
    cvelistv5