GHSA-xjr7-3c3g-m763: Renovate Renovate Vulnerable To Arbitrary Command Vulnerability

MODERATE
CVSS 6.7
CWE-77
Published
Advisory Summary

GHSA-xjr7-3c3g-m763 is a MODERATE (CVSS 6.7) renovate vulnerable to arbitrary command vulnerability (CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')) affecting Renovate libraries in the npm ecosystem. The issue involves renovate vulnerable to arbitrary command injection via gleam manager and malicious gleam.toml file. Remediation is available by upgrading affected packages to version 40.33.0.

GHSA-xjr7-3c3g-m763 at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-xjr7-3c3g-m763
Severity MODERATE
CVSS v3.1 Base Score 6.7
CWE Classification CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')
Affected Product Renovate
Package Ecosystem npm
Published Date
Last Updated

Security Impact

CVSS: 6.7

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

Attack Vector Local (AV:L)
Attack Complexity Low (AC:L)
Privileges Required High (PR:H)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix GHSA-xjr7-3c3g-m763

To remediate this vulnerability, upgrade all affected Renovate dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

renovate fixed: 40.33.0
npm install renovate@40.33.0
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release:

npm ls renovate

How to Check if You Are Affected

To determine whether your Node.js application is affected by GHSA-xjr7-3c3g-m763, inspect your project dependencies using npm:

npm ls renovate

Analyze the terminal output to locate any version of Renovate in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 40.33.0), your application is affected.

Note: The npm ls renovate command inspects dependencies declared in your package.json and lockfile; it does not perform automated runtime dynamic scanning.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection'), where the product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. In Renovate, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

### Summary The user-provided string `depName` in the `gleam` manager is appended to the `gleam deps update` command without proper sanitization. ### Details Adversaries can provide a maliciously crafted `gleam.toml` in conjunctions with a tweaked Renovate configuration file to trick Renovate to execute arbitrary code. All values added to the `packagesToUpdate` variable in [lib/modules/manager/gleam/artifacts.ts](https://github.com/renovatebot/renovate/blob/e9cbd02865b1827f7e4269c05250a12ee2203a71/lib/modules/manager/gleam/artifacts.ts) are not being escaped using the `quote` function from the `shlex` package. This lack of proper sanitization has been present in the product since version 39.53.0 (https://github.com/renovatebot/renovate/commit/d29698e0131231652970f02765312769975e4d38), released on December 6 of 2024. ### PoC 1. Create a git repo with the following content: `renovate.json5`: ```json5 { $schema: "https://docs.renovatebot.com/renovate-schema.json", customDatasources: { always: { defaultRegistryUrlTemplate: "https://docs.renovatebot.com/search/search_index.json", transformTemplates: ['{"releases":[{"version":"99999.0.0"}]}'], }, }, packageRules: [ { // Target of the day matchManagers: ["gleam"], // Trick the manager in believing there's a new version overrideDatasource: "custom.always", }, ], } ``` `gleam.toml`: ```toml name = "renovate-aci-2" version = "0.0.1" [dependencies] "|| kill 1" = "0.1.0" ``` `manifest.toml`: ```toml non-empty file ``` 2. Run Renovate against the repo from a Docker container. Notice that the process terminates without reporting "Repository finished", because the ACI vulnerability allowed for execution of `kill 1`, terminating the root process of the container. ### Impact This is a Arbitrary Command Injection vulnerability, allowing those with write access on repositories configured to be scanned by Renovate to cause the execution of commands of their choice on the machine that runs Renovate.

GHSA-xjr7-3c3g-m763 Affected Renovate Versions

1 component(s)
Fixed Versions:
40.33.0
Product / Package Ecosystem Affected Versions Fixed Version
renovate
npm
≥ 39.53.0
< 40.33.0
40.33.0

References

Frequently Asked Questions

What is GHSA-xjr7-3c3g-m763?
GHSA-xjr7-3c3g-m763 is a security vulnerability in Renovate involving Renovate vulnerable to arbitrary command injection via gleam manager and malicious gleam.toml file under CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection').
Which Renovate versions are affected?
Affected versions include releases prior to 40.33.0 across affected packages: renovate.
What version fixes GHSA-xjr7-3c3g-m763?
Upgrading to 40.33.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is renovate affected?
Yes, renovate is affected in releases prior to 40.33.0. Upgrade your dependency to 40.33.0 or later.
What is the CVSS score of GHSA-xjr7-3c3g-m763?
GHSA-xjr7-3c3g-m763 has a CVSS v3.1 base score of 6.7 (MODERATE) with vector string CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with GHSA-xjr7-3c3g-m763?
GHSA-xjr7-3c3g-m763 is classified under CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') (The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.).
How can I check npm dependencies for GHSA-xjr7-3c3g-m763?
Run the dependency tree command: 'npm ls renovate'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-xjr7-3c3g-m763",
  "modified" : "2026-01-13T20:29:00Z",
  "published" : "2026-01-13T20:29:00Z",
  "aliases" : [ ],
  "summary" : "Renovate vulnerable to arbitrary command injection via gleam manager and malicious gleam.toml file",
  "details" : "### Summary\nThe user-provided string `depName` in the `gleam` manager is appended to the `gleam deps update` command without proper sanitization.\n\n### Details\nAdversaries can provide a maliciously crafted `gleam.toml` in conjunctions with a tweaked Renovate configuration file to trick Renovate to execute arbitrary code.\nAll values added to the `packagesToUpdate` variable in [lib/modules/manager/gleam/artifacts.ts](https://github.com/renovatebot/renovate/blob/e9cbd02865b1827f7e4269c05250a12ee2203a71/lib/modules/manager/gleam/artifacts.ts) are not being escaped using the `quote` function from the `shlex` package.\nThis lack of proper sanitization has been present in the product since version 39.53.0 (https://github.com/renovatebot/renovate/commit/d29698e0131231652970f02765312769975e4d38), released on December 6 of 2024.\n\n### PoC\n1. Create a git repo with the following content:\n\n`renovate.json5`:\n\n```json5\n{\n  $schema: \"https://docs.renovatebot.com/renovate-schema.json\",\n  customDatasources: {\n    always: {\n      defaultRegistryUrlTemplate: \"https://docs.renovatebot.com/search/search_index.json\",\n      transformTemplates: ['{\"releases\":[{\"version\":\"99999.0.0\"}]}'],\n    },\n  },\n  packageRules: [\n    {\n      // Target of the day\n      matchManagers: [\"gleam\"],\n      // Trick the manager in believing there's a new version\n      overrideDatasource: \"custom.always\",\n    },\n  ],\n}\n\n```\n\n\n`gleam.toml`:\n\n```toml\nname = \"renovate-aci-2\"\nversion = \"0.0.1\"\n\n[dependencies]\n\"|| kill 1\" = \"0.1.0\"\n```\n\n\n`manifest.toml`:\n\n```toml\nnon-empty file\n```\n\n2. Run Renovate against the repo from a Docker container. Notice that the process terminates without reporting \"Repository finished\", because the ACI vulnerability allowed for execution of `kill 1`, terminating the root process of the container.\n\n### Impact\nThis is a Arbitrary Command Injection vulnerability, allowing those with write access on repositories configured to be scanned by Renovate to cause the execution of commands of their choice on the machine that runs Renovate.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "renovate"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "39.53.0"
      }, {
        "fixed" : "40.33.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/renovatebot/renovate/security/advisories/GHSA-xjr7-3c3g-m763"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/renovatebot/renovate"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-77" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-01-13T20:29:00Z",
    "nvd_published_at" : null
  }
}