Vulnerability-Lookup

CVE-2026-47215 (GCVE-0-2026-47215)

Vulnerability from cvelistv5 – Published: 2026-09-15 15:07 – Updated: 2026-09-15 18:02

Title

Singularity: Incorrect path matching for 'limit container paths' directive

Summary

SingularityCE and SingularityPRO are open source container platforms. Prior to SingularityCE 4.4.2 and SingularityPRO 4.3.9 and 4.1.14, incorrect path-string matching in the singularity.conf limit container paths directive allows a container in a sibling directory such as /data/safe-but-unsafe to be run when /data/safe is allowed under setuid mode. This permits a user to run a container from outside the administrator's configured path allowlist. Installations that do not use limit container paths are not affected. This issue is fixed in SingularityCE 4.4.2 and SingularityPRO 4.3.9 and 4.1.14.

Severity

4.8 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-15 17:38 UTC

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

GitHub_M mitre root

References

5 references

URL	Tags
https://github.com/sylabs/singularity/security/ad…	x_refsource_CONFIRM
https://github.com/sylabs/singularity/pull/4152	x_refsource_MISC
https://github.com/sylabs/singularity/commit/c087…	x_refsource_MISC
https://github.com/sylabs/singularity/commit/c1dc…	x_refsource_MISC
https://github.com/sylabs/singularity/releases/ta…	x_refsource_MISC

Impacted products

2 products

Vendor	Product	Version	CPE status
sylabs	singularity	Affected: < 4.4.2	guessed
sylabs	SingularityPRO	Affected: < 4.1.14 Affected: >= 4.2.0, < 4.3.9	guessed

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-47215

Vulnerability from fkie_nvd - Published: 2026-09-15 16:17 - Updated: 2026-09-15 19:17

Severity

4.8 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/sylabs/singularity/commit/c08791793e843d4c9c1f2fc1d9d12abef747378f
	security-advisories@github.com	https://github.com/sylabs/singularity/commit/c1dc9470a769e6e534b588a4ed521768ca4fc0d1
	security-advisories@github.com	https://github.com/sylabs/singularity/pull/4152
	security-advisories@github.com	https://github.com/sylabs/singularity/releases/tag/v4.4.2
	security-advisories@github.com	https://github.com/sylabs/singularity/security/advisories/GHSA-wqcr-7rf3-f64m

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "singularity",
          "vendor": "sylabs",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 4.4.2"
            }
          ]
        },
        {
          "product": "SingularityPRO",
          "vendor": "sylabs",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 4.1.14"
            },
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      "value": "SingularityCE and SingularityPRO are open source container platforms. Prior to SingularityCE 4.4.2 and SingularityPRO 4.3.9 and 4.1.14, incorrect path-string matching in the singularity.conf limit container paths directive allows a container in a sibling directory such as /data/safe-but-unsafe to be run when /data/safe is allowed under setuid mode. This permits a user to run a container from outside the administrator\u0027s configured path allowlist. Installations that do not use limit container paths are not affected. This issue is fixed in SingularityCE 4.4.2 and SingularityPRO 4.3.9 and 4.1.14."
    }
  ],
  "id": "CVE-2026-47215",
  "lastModified": "2026-09-15T19:17:19.847",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
          "version": "3.1"
        },
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        "impactScore": 3.4,
        "source": "security-advisories@github.com",
        "type": "Secondary"
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      "url": "https://github.com/sylabs/singularity/commit/c08791793e843d4c9c1f2fc1d9d12abef747378f"
    },
    {
      "source": "security-advisories@github.com",
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      "source": "security-advisories@github.com",
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}

GHSA-WQCR-7RF3-F64M

Vulnerability from github – Published: 2026-06-04 17:38 – Updated: 2026-06-04 17:38

Summary

Singluarity: Incorrect path matching for 'limit container paths' directive

Details

Impact

The limit container paths directive in singularity.conf is intended to allow a system administrator limit the paths from which containers can be run, under setuid mode. Due to incorrect matching of a path string, sibling directories with similar names may incorrectly be allowed.

For example, the configuration:

limit container paths = /data/safe

Will also allow containers in /data/safe-but-unsafe to be run.

Patches

This issue is patched in SingularityCE 4.4.2 and SingularityPRO 4.3.9 / 4.1.14

Workarounds

If you do not use the limit container paths functionality, then this issue does not affect your installation.

If you do use the limit container paths functionality then you must update. Please also review the documented limitations when user namespaces are enabled [1].

Severity

4.8 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/sylabs/singularity/v4"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.4.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/sylabs/singularity"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "3.1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-47215"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-06-04T17:38:21Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "### Impact\n\nThe `limit container paths` directive in `singularity.conf` is intended to allow a system administrator limit the paths from which containers can be run, under setuid mode. Due to incorrect matching of a path string, sibling directories with similar names may incorrectly be allowed.\n\nFor example, the configuration:\n\n```\nlimit container paths = /data/safe\n```\n\nWill also allow containers in `/data/safe-but-unsafe` to be run.\n\n\n### Patches\n\nThis issue is patched in SingularityCE 4.4.2 and SingularityPRO 4.3.9 / 4.1.14\n\n### Workarounds\n\nIf you do not use the `limit container paths` functionality, then this issue does not affect your installation.\n\nIf you do use the `limit container paths` functionality then you must update. Please also review the documented limitations when user namespaces are enabled [1].",
  "id": "GHSA-wqcr-7rf3-f64m",
  "modified": "2026-06-04T17:38:21Z",
  "published": "2026-06-04T17:38:21Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/sylabs/singularity/security/advisories/GHSA-wqcr-7rf3-f64m"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sylabs/singularity/commit/c08791793e843d4c9c1f2fc1d9d12abef747378f"
    },
    {
      "type": "WEB",
      "url": "https://docs.sylabs.io/guides/latest/admin-guide/configfiles.html#limiting-container-execution"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/sylabs/singularity"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sylabs/singularity/releases/tag/v4.4.2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Singluarity: Incorrect path matching for \u0027limit container paths\u0027 directive"
}

UBUNTU-CVE-2026-47215 (CVE-2026-47215)

Vulnerability from osv_ubuntu – Published: 2026-06-25 00:00 – Updated: 2026-09-17 11:03 – Source website

Details

[Unknown description]

Severity

4.8 (Medium)


                    
                      CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-47215	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-47215	REPORT
	https://github.com/sylabs/singularity/security/ad…	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "singularity-container",
            "binary_version": "2.4.2-4ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "singularity-container",
        "purl": "pkg:deb/ubuntu/singularity-container@2.4.2-4ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.3.1-2",
        "2.3.2-1",
        "2.4.1-1",
        "2.4.2-2",
        "2.4.2-3",
        "2.4.2-4",
        "2.4.2-4ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-sylabs-singularity-dev",
            "binary_version": "4.1.1+ds2-1ubuntu0.3+esm2"
          },
          {
            "binary_name": "singularity-container",
            "binary_version": "4.1.1+ds2-1ubuntu0.3+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:24.04:LTS",
        "name": "singularity-container",
        "purl": "pkg:deb/ubuntu/singularity-container@4.1.1+ds2-1ubuntu0.3+esm2?arch=source\u0026distro=esm-apps/noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.1.1+ds2-1",
        "4.1.1+ds2-1build1",
        "4.1.1+ds2-1ubuntu0.1",
        "4.1.1+ds2-1ubuntu0.2",
        "4.1.1+ds2-1ubuntu0.2+esm1",
        "4.1.1+ds2-1ubuntu0.3",
        "4.1.1+ds2-1ubuntu0.3+esm1",
        "4.1.1+ds2-1ubuntu0.3+esm2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-sylabs-singularity-dev",
            "binary_version": "4.1.5+ds4-1"
          },
          {
            "binary_name": "singularity-container",
            "binary_version": "4.1.5+ds4-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "singularity-container",
        "purl": "pkg:deb/ubuntu/singularity-container@4.1.5+ds4-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.1.5+ds4-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-sylabs-singularity-dev",
            "binary_version": "4.1.5+ds4-1"
          },
          {
            "binary_name": "singularity-container",
            "binary_version": "4.1.5+ds4-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "singularity-container",
        "purl": "pkg:deb/ubuntu/singularity-container@4.1.5+ds4-1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.1.5+ds4-1"
      ]
    }
  ],
  "aliases": [],
  "details": "[Unknown description]",
  "id": "UBUNTU-CVE-2026-47215",
  "modified": "2026-09-17T11:03:27Z",
  "published": "2026-06-25T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-47215"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-47215"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/sylabs/singularity/security/advisories/GHSA-wqcr-7rf3-f64m"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-47215"
  ]
}

Sightings

Author	Source	Type	Date	Other

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.

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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-2026-47215 (GCVE-0-2026-47215)

FKIE_CVE-2026-47215

GHSA-WQCR-7RF3-F64M

Impact

Patches

Workarounds

UBUNTU-CVE-2026-47215 (CVE-2026-47215)

Tags

Sightings

Nomenclature

Related by attack behaviour