Vulnerability-Lookup

CVE-2025-62878 (GCVE-0-2025-62878)

Vulnerability from cvelistv5 – Published: 2026-02-25 10:49 – Updated: 2026-02-26 14:44

Title

Local Path Provisioner vulnerable to Path Traversal via parameters.pathPattern

Summary

A malicious user can manipulate the parameters.pathPattern to create PersistentVolumes in arbitrary locations on the host node, potentially overwriting sensitive files or gaining access to unintended directories.

Severity

9.9 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-02-26 04:55 UTC

CWE

CWE-23 - Relative Path Traversal

Assigner

suse CNA under the mitre root

CNA scorecard B 78/100 over 101 records in the last 180 days details

References

2 references

URL	Tags
https://bugzilla.suse.com/show_bug.cgi?id=CVE-202…
https://github.com/advisories/GHSA-jr3w-9vfr-c746

Impacted products

1 product

Vendor	Product	Version	CPE status
SUSE	Rancher	Affected: 0 , < 0.0.34 (semver)	guessed

Date Public

2026-02-04 19:17

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2025-62878

Vulnerability from fkie_nvd - Published: 2026-02-25 11:16 - Updated: 2026-06-17 09:52

Severity

9.9 (Critical) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Summary

References

	URL	Tags
	meissner@suse.de	https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-62878
	meissner@suse.de	https://github.com/advisories/GHSA-jr3w-9vfr-c746

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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GHSA-JR3W-9VFR-C746

Vulnerability from github – Published: 2026-02-04 20:17 – Updated: 2026-02-27 20:41

Summary

Local Path Provisioner vulnerable to Path Traversal via parameters.pathPattern

Details

Impact

Example:

apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  annotations:
    kubectl.kubernetes.io/last-applied-configuration: >
      {"apiVersion":"storage.k8s.io/v1","kind":"StorageClass","metadata":{"annotations":{},"name":"local-path"},"provisioner":"rancher.io/local-path","reclaimPolicy":"Delete","volumeBindingMode":"WaitForFirstConsumer"}
    storageclass.kubernetes.io/is-default-class: 'true'
  name: local-path
provisioner: rancher.io/local-path
reclaimPolicy: Delete
parameters:
  pathPattern: "{{ .PVC.Namespace }}/{{ .PVC.Name }}/../../../../../etc/new-dir"
volumeBindingMode: WaitForFirstConsumer
Results in the PersistentVolume to target /etc/new-dir:

This produces a PersistentVolume that points to /etc/new-dir, instead of a path under the configured base directory.

Expected Behavior: - Paths generated from pathPattern should always resolve under the configured base path. - Relative path elements (e.g., ..) should be normalized or rejected.

Patches

This vulnerability is addressed by validating and normalizing the parameters.pathPattern to ensure that generated PersistentVolume paths always resolve under the configured base directory. Any path traversal attempts using relative path elements are rejected, preventing PersistentVolumes from being created in arbitrary locations on the host node.

Previously, a malicious user could manipulate pathPattern to escape the base path and create volumes pointing to sensitive or unintended directories (for example, /etc), potentially overwriting host files or gaining unauthorized access.

With this fix, path patterns that resolve outside of the base directory are denied, and only safe, normalized paths under the configured base path are allowed.

Patched versions of local-path-provisioner include releases v0.0.34 (and later).

No patches are provided for earlier releases, as they do not include the necessary path validation and normalization logic.

Workarounds

There are no workarounds for this issue. Users must upgrade to a patched version of local-path-provisioner to fully mitigate the vulnerability.

References

There are any questions or comments about this advisory:

Contact the SUSE Rancher Security team for security related inquiries.
Open an issue in the Rancher repository.

Severity

9.9 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

{
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        "ecosystem": "Go",
        "name": "github.com/rancher/local-path-provisioner"
      },
      "ranges": [
        {
          "events": [
            {
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        }
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    }
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  "database_specific": {
    "cwe_ids": [
      "CWE-23"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-02-04T20:17:42Z",
    "nvd_published_at": "2026-02-25T11:16:01Z",
    "severity": "CRITICAL"
  },
  "details": "### Impact\n\nA malicious user can manipulate the [parameters.pathPattern](https://github.com/rancher/local-path-provisioner/blob/d4f71b4b03a321e9f54be00808e9de42b8bfd35a/provisioner.go#L381) to create PersistentVolumes in arbitrary locations on the host node, potentially overwriting sensitive files or gaining access to unintended directories.\n\nExample:\n```\napiVersion: storage.k8s.io/v1\nkind: StorageClass\nmetadata:\n  annotations:\n    kubectl.kubernetes.io/last-applied-configuration: \u003e\n      {\"apiVersion\":\"storage.k8s.io/v1\",\"kind\":\"StorageClass\",\"metadata\":{\"annotations\":{},\"name\":\"local-path\"},\"provisioner\":\"rancher.io/local-path\",\"reclaimPolicy\":\"Delete\",\"volumeBindingMode\":\"WaitForFirstConsumer\"}\n    storageclass.kubernetes.io/is-default-class: \u0027true\u0027\n  name: local-path\nprovisioner: rancher.io/local-path\nreclaimPolicy: Delete\nparameters:\n  pathPattern: \"{{ .PVC.Namespace }}/{{ .PVC.Name }}/../../../../../etc/new-dir\"\nvolumeBindingMode: WaitForFirstConsumer\nResults in the PersistentVolume to target /etc/new-dir:\n```\nThis produces a PersistentVolume that points to `/etc/new-dir`, instead of a path under the configured base directory.\n\nExpected Behavior:\n- Paths generated from pathPattern should always resolve under the configured base path.\n- Relative path elements (e.g., ..) should be normalized or rejected.\n\n\n### Patches\n\nThis vulnerability is addressed by validating and normalizing the `parameters.pathPattern` to ensure that generated PersistentVolume paths always resolve under the configured base directory. Any path traversal attempts using relative path elements are rejected, preventing PersistentVolumes from being created in arbitrary locations on the host node.\n\nPreviously, a malicious user could manipulate `pathPattern` to escape the base path and create volumes pointing to sensitive or unintended directories (for example, `/etc`), potentially overwriting host files or gaining unauthorized access.\n\nWith this fix, path patterns that resolve outside of the base directory are denied, and only safe, normalized paths under the configured base path are allowed.\n\nPatched versions of local-path-provisioner include releases v0.0.34 (and later).\n\nNo patches are provided for earlier releases, as they do not include the necessary path validation and normalization logic.\n\n### Workarounds\n\nThere are no workarounds for this issue. Users must upgrade to a patched version of local-path-provisioner to fully mitigate the vulnerability.\n\n### References\n\nThere are any questions or comments about this advisory:\n\n- Contact the [SUSE Rancher Security team](https://github.com/rancher/rancher/security/policy) for security related inquiries.\n- Open an issue in the [Rancher](https://github.com/rancher/rancher/issues/new/choose) repository.",
  "id": "GHSA-jr3w-9vfr-c746",
  "modified": "2026-02-27T20:41:26Z",
  "published": "2026-02-04T20:17:42Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/rancher/local-path-provisioner/security/advisories/GHSA-jr3w-9vfr-c746"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-62878"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-62878"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/rancher/local-path-provisioner"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rancher/local-path-provisioner/blob/d4f71b4b03a321e9f54be00808e9de42b8bfd35a/provisioner.go#L381"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Local Path Provisioner vulnerable to Path Traversal via parameters.pathPattern"
}

MSRC_CVE-2025-62878

Vulnerability from csaf_microsoft - Published: 2026-02-02 00:00 - Updated: 2026-03-03 01:38

Summary

Local Path Provisioner vulnerable to Path Traversal via parameters.pathPattern

Scope

1 vulnerability in this advisory, including CVE-2025-62878.

CVE-2025-62878

Known not affected: 1 product

Open the full advisory

WID-SEC-W-2026-0344

Vulnerability from csaf_certbund - Published: 2026-02-08 23:00 - Updated: 2026-02-08 23:00

Summary

Rancher Local Path Provisioner: Schwachstelle ermöglicht Manipulation von Dateien

Severity

Hoch

Scope

1 vulnerability in this advisory, including CVE-2025-62878.

CVE-2025-62878

Known affected: 1 product

Open the full advisory

Sightings

Author	Source	Type	Date	Other

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Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2025-62878 (GCVE-0-2025-62878)

FKIE_CVE-2025-62878

GHSA-JR3W-9VFR-C746

Impact

Patches

Workarounds

References

MSRC_CVE-2025-62878

WID-SEC-W-2026-0344

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