CVE-2020-26294: Exposure of server configuration

Vulnerability summary

CVE-2020-26294 is a high (CVSS 7.4) OS Command Injection vulnerability in go-vela compiler. EPSS estimates a 1.80% chance of exploitation in the next 30 days, higher than 78.2% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 04-01-2021
   PublishedVulnerability first disclosed.
2. 04-08-2024
   Last modifiedVulnerability information updated.

Description

Vela is a Pipeline Automation (CI/CD) framework built on Linux container technology written in Golang. In Vela compiler before version 0.6.1 there is a vulnerability which allows exposure of server configuration. It impacts all users of Vela. An attacker can use Sprig's `env` function to retrieve configuration information, see referenced GHSA for an example. This has been fixed in version 0.6.1. In addition to upgrading, it is recommended to rotate all secrets.

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.