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CVE-2026-93537

Path traversal in Fleet Helm valuesFiles allows disclosure of files outside the bundle directory

MEDIUM
6.5
CVSS Score
Published: September 28, 2026 at 01:29 PM UTC
Updated: October 7, 2026 at 05:19 PM UTC
2 products affected across 2 vendorsRancherRancher Fleet

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

A user who can supply bundle content to a repository referenced by a GitRepo resource, for example through Git push access, or through permission to create or modify a GitRepo, can cause SUSE Rancher Fleet to read files from the filesystem of the environment that processes the bundle and include their contents in the generated Bundle resource. This can expose configuration or credential material that the user has no Kubernetes RBAC permission to read, including Helm registry credentials made available to the bundle-processing job when per-path Helm credentials are configured. This affects Fleet 0.16 before 0.16.2, 0.15 before 0.15.7, 0.14 before 0.14.11, 0.13 before 0.13.16, 0.12 before 0.12.20 and potentially older unsupported versions.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Rancher· Rancher
95%
0.12.0 ≤ v < 0.12.200.13.0 ≤ v < 0.13.160.14.0 ≤ v < 0.14.110.15.0 ≤ v < 0.15.70.16.0 ≤ v < 0.16.20.12.00.13.00.14.00.15.00.16.0
Affected range stops below 0.12.20, so it looks safe — our inference, not a vendor statement
Affected range stops below 0.13.16, so it looks safe — our inference, not a vendor statement
Affected range stops below 0.14.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 0.15.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 0.16.2, so it looks safe — our inference, not a vendor statement
Rancher Fleet· SUSE
95%
0.12.0 ≤ v < 0.12.200.13.0 ≤ v < 0.13.160.14.0 ≤ v < 0.14.110.15.0 ≤ v < 0.15.70.16.0 ≤ v < 0.16.2
Affected range stops below 0.12.20, so it looks safe — our inference, not a vendor statement
Affected range stops below 0.13.16, so it looks safe — our inference, not a vendor statement
Affected range stops below 0.14.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 0.15.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 0.16.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://github.com/rancher/fleet/security/advisories/GHSA-wpfm-r97v-3j4h

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMsuse
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-23

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