CVE-2026-76233

Renovate 39.53.0 before 40.33.0 Command Injection via gleam manager

MEDIUM
6.7
CVSS Score
Published: August 19, 2026 at 02:02 PM UTC
Updated: September 8, 2026 at 08:39 PM UTC
1 product affected across 1 vendorRenovate

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Severity
MEDIUM6.7
Exploit prediction
EPSS 1%
SSVC
PoC

Description

Renovate versions from 39.53.0 before 40.33.0 contain a command injection vulnerability in the gleam manager where the depName parameter is appended to gleam deps update commands without proper sanitization. Attackers with repository write access can craft malicious gleam.toml files to execute arbitrary commands on the machine running Renovate.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

39.53.0 ≤ v < 40.33.039.53.0
Vendor states this is fixed in 40.33.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.7MEDIUMVulnCheck
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-77

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