Exposure of server configuration
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution, Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-78 and CWE-200.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| go-vela | compiler | before 0.6.1 | 0.6.1 | Patch available | CNA |
| — | github.com/go-vela/compiler (Go) | before 0.6.1 | 0.6.1 | Patch available | GHSA-gv2h-gf8m-r68j |
- compiler Vendorgo-vela Affected before 0.6.1 Fixed in 0.6.1 Patch available CNA
- github.com/go-vela/compiler (Go) Vendor— Affected before 0.6.1 Fixed in 0.6.1 Patch available GHSA-gv2h-gf8m-r68j
Remediation
- Fix · CNA compiler (go-vela) Fixed in 0.6.1
- Fix · GHSA-gv2h-gf8m-r68j github.com/go-vela/compiler (Go) Fixed in 0.6.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-26294
- 2026-10-03 Alias added: GHSA-gv2h-gf8m-r68j
References
Advisory 2
More go-vela vulnerabilities
- TI-2022-18767 Vela Insecure Defaults CVSS 3.1CRITICAL 9.9
- TI-2025-20425 Vela Server has Insufficient Webhook Payload Data Verification CVSS 3.1HIGH 8.6
- TI-2024-18795 Insecure Variable Substitution in Vela CVSS 3.1HIGH 7.7
- TI-2021-04530 Reject unauthorized access with GitHub PATs CVSS 3.1HIGH 7.5
Sources
- CVE-2020-26294 · CVE Program
- CVE-2020-26294 · NVD
- FIRST EPSS
- GHSA-gv2h-gf8m-r68j · GitHub Advisory Database · CC BY 4.0
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