Vulnerability-Lookup

CVE-2025-62879 (GCVE-0-2025-62879)

Vulnerability from cvelistv5 – Published: 2026-03-04 15:08 – Updated: 2026-03-04 16:11

Title

Rancher Backup Operator pod's logs leak S3 tokens

Summary

A vulnerability has been identified within the Rancher Backup Operator, resulting in the leakage of S3 tokens (both accessKey and secretKey) into the rancher-backup-operator pod's logs.

Severity ?

6.8 (Medium)


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

CWE

CWE-532 - Insertion of Sensitive Information into Log File

Assigner

suse

References

URL

Tags

	https://bugzilla.suse.com/show_bug.cgi?id=CVE-202…
	https://github.com/advisories/GHSA-wj3p-5h3x-c74q

Impacted products

	Vendor	Product	Version
	SUSE	Rancher	Affected: 9.0.0 , < 9.0.1 (semver) Affected: 8.0.0 , < 8.1.2 (semver) Affected: 7.0.0 , < 7.0.5 (semver) Affected: 6.0.0 , < 6.0.3 (semver)

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JSON

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GHSA-WJ3P-5H3X-C74Q

Vulnerability from github – Published: 2026-03-03 16:44 – Updated: 2026-03-04 18:38

Summary

Rancher Backup Operator pod's logs leak S3 tokens

Details

Impact

A vulnerability has been identified within the Rancher Backup Operator, resulting in the leakage of S3 tokens (both accessKey and secretKey) into the rancher-backup-operator pod's logs.

Specifically, the S3 accessKey and secretKey are exposed in the pod's logs under the following logging level conditions:

Variable Exposed	Logging Level Condition
accessKey	`trace: false` (default), and `debug: false` (default)
secretKey	`trace: true` or `debug: true`

Note: The S3 accessKey is exposed in the logs without requiring any supplementary configuration.

For further information on this attack category, please consult the associated MITRE ATT&CK - Technique - Log Enumeration.

Patches

This vulnerability is addressed by applying redaction to sensitive information that was leaking.

Patched versions of Rancher Backup Operator include: 108.0.1+up9.0.1, 107.1.2+up8.1.2, 106.0.6+up7.0.5, and 105.0.6+up6.0.3.

Workarounds

Users are advised to rotate both S3 accessKey and secretKey once they have upgraded to a fixed version, especially if logs are exported.

Users who cannot update Rancher are advised to refresh the Rancher app Repository, which should provide the ability to update just the Rancher Backup chart alone. This will patch the vulnerabilities without requiring Rancher to be updated. This will not work for Rancher clusters in an air-gap setup.

For air-gapped Rancher clusters, the Rancher version must be updated first, and then after you will find the patched version of the Rancher Backup chart to upgrade. You will also need to sync new images for the release to your image mirror.

Users who cannot update either Rancher or Rancher Backup should ensure that both debug and trace values are both false (default). Users should revert the values to the default until they can update to prevent potential leaks.

References

If you have any questions or comments about this advisory: - Reach out to the SUSE Rancher Security team for security related inquiries. - Open an issue in the Rancher repository. - Verify with our support matrix and product support lifecycle.

Severity ?

6.8 (Medium)


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

Show details on source website

JSON

To clipboard

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  "affected": [
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      "package": {
        "ecosystem": "Go",
        "name": "github.com/rancher/backup-restore-operator"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9.0.0"
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      },
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          "events": [
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              "introduced": "6.0.0"
            },
            {
              "fixed": "6.0.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-62879"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-532"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-03T16:44:18Z",
    "nvd_published_at": "2026-03-04T16:16:25Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\nA vulnerability has been identified within the Rancher Backup Operator, resulting in the leakage of S3 tokens (both `accessKey` and `secretKey`) into the rancher-backup-operator pod\u0027s logs.\n\nSpecifically, the S3 `accessKey` and `secretKey` are exposed in the pod\u0027s logs under the following logging level conditions:\n\n| Variable Exposed | Logging Level Condition | \n------------------ | ------------------------- |\n| accessKey            | `trace: false` (default), and `debug: false` (default) |\n| secretKey             | `trace: true` or `debug: true`|\n\n**Note:** The S3 `accessKey` is exposed in the logs without requiring any supplementary configuration.\n\nFor further information on this attack category, please consult the associated [MITRE ATT\u0026CK - Technique - Log Enumeration](https://attack.mitre.org/techniques/T1654/).\n\n### Patches\nThis vulnerability is addressed by applying redaction to sensitive information that was leaking.\n\nPatched versions of Rancher Backup Operator include: `108.0.1+up9.0.1`, `107.1.2+up8.1.2`, `106.0.6+up7.0.5`, and `105.0.6+up6.0.3`.\n\n### Workarounds\nUsers are advised to rotate both S3 `accessKey` and `secretKey` once they have upgraded to a fixed version, especially if logs are exported.\n\nUsers who cannot update Rancher are advised to refresh the Rancher app Repository, which should provide the ability to update just the Rancher Backup chart alone. This will patch the vulnerabilities without requiring Rancher to be updated. This will not work for Rancher clusters in an air-gap setup.\n\nFor air-gapped Rancher clusters, the Rancher version must be updated first, and then after you will find the patched version of the Rancher Backup chart to upgrade. You will also need to sync new images for the release to your image mirror.\n\nUsers who cannot update either Rancher or Rancher Backup should ensure that both debug and trace values are both false (default). Users should revert the values to the default until they can update to prevent potential leaks.\n\n### References\nIf you have any questions or comments about this advisory:\n- Reach out to 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.\n- Verify with our [support matrix](https://www.suse.com/suse-rancher/support-matrix/all-supported-versions/) and [product support lifecycle](https://www.suse.com/lifecycle/).",
  "id": "GHSA-wj3p-5h3x-c74q",
  "modified": "2026-03-04T18:38:37Z",
  "published": "2026-03-03T16:44:18Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/rancher/backup-restore-operator/security/advisories/GHSA-wj3p-5h3x-c74q"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-62879"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-62879"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/rancher/backup-restore-operator"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Rancher Backup Operator pod\u0027s logs leak S3 tokens"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
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.

Detection rules are retrieved from Rulezet.

Action not permitted

CVE-2025-62879 (GCVE-0-2025-62879)

GHSA-WJ3P-5H3X-C74Q

Impact

Patches

Workarounds

References

Tags

Sightings

Nomenclature