CVE-2020-26294 json
Exposure of server configuration
published 5y ago modified 4mo ago also GHSA-gv2h-gf8m-r68j , GO-2022-0838 , EUVD-2022-1023
- cvss
- 7.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
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.
Patch / fix
- go github.com/go-vela/compiler 0.6.1
- target compiler 0.6.1
Is CVE-2020-26294 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
1.80% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/go-vela/compiler/security/advisories/GHSA-gv2h-gf8m-r68j referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| GitHub | 3.1 | 7.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/go-vela/compiler | <0.6.1 |
0.6.1 |
Affected products
- go-vela compiler
Classification
References
-
github.com
/go-vela/compiler/commit/f1ace5f8a05c95c4d02264556e38a959ee2d9bda
web, patch, third-party-advisory
-
github.com
/go-vela/compiler/security/advisories/GHSA-gv2h-gf8m-r68j
web, exploit, third-party-advisory, advisory
-
pkg.go.dev
/github.com/go-vela/compiler/compiler
web, product, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-26294
advisory
-
github.com
/helm/helm/blob/6297c021cbda1483d8c08a8ec6f4a99e38be7302/pkg/engine/funcs.go#L46-L47
web
Sources
- CVE List CVE-2020-26294
- GitHub Advisory GHSA-gv2h-gf8m-r68j
- NVD CVE-2020-26294
- OSV GO-2022-0838
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.