{"id":"CVE-2020-26294","aliases":["EUVD-2022-1023","GHSA-gv2h-gf8m-r68j","GO-2022-0838"],"status":"published","title":"Exposure of server configuration","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.","severity":{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01798,"percentile":0.78781,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200","CWE-78"],"published":"2021-01-04T18:35:14Z","modified":"2026-10-20T10:52:57Z","fixes":[{"ecosystem":"Go","package":"github.com/go-vela/compiler","fixed_in":["0.6.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/go-vela/compiler","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/go-vela/compiler","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.6.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/go-vela/compiler","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.6.1"}]}]}],"products":[{"vendor":"@angular","product":"compiler"},{"vendor":"go-vela","product":"compiler"},{"vendor":"target","product":"compiler"}],"references":[{"url":"https://github.com/go-vela/compiler/security/advisories/GHSA-gv2h-gf8m-r68j","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory","evidence","web","advisory"]},{"url":"https://github.com/go-vela/compiler/commit/f1ace5f8a05c95c4d02264556e38a959ee2d9bda","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://pkg.go.dev/github.com/go-vela/compiler/compiler","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-26294","tags":["advisory"]},{"url":"https://github.com/helm/helm/blob/6297c021cbda1483d8c08a8ec6f4a99e38be7302/pkg/engine/funcs.go#L46-L47","tags":["web"]},{"url":"https://github.com/advisories/GHSA-gv2h-gf8m-r68j"}],"sources":{"cve":[{"id":"CVE-2020-26294","title":"Exposure of server configuration","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.","status":"published","published":"2021-01-04T18:35:14Z","modified":"2024-08-04T15:56:03.799Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:35:46.129376Z"}],"euvd":[{"id":"EUVD-2022-1023","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.","status":"published","published":"2021-01-04T18:35:14Z","modified":"2024-08-04T15:56:03Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-03T03:07:15.15938Z"}],"ghsa":[{"id":"GHSA-gv2h-gf8m-r68j","title":"Exposure of server configuration in github.com/go-vela/server","description":"### Impact\n_What kind of vulnerability is it? Who is impacted?_\n\n* The ability to expose configuration set in the [Vela server](https://github.com/go-vela/server) via [pipeline template functionality](https://go-vela.github.io/docs/templates/overview/).\n* It impacts all users of Vela.\n\n\nSample of template exposing server configuration [using Sprig's `env` function](http://masterminds.github.io/sprig/os.html):\n\n```yaml\nmetadata:\n  template: true\n\nsteps:\n  - name: sample\n    image: alpine:latest\n    commands:\n      # OAuth client ID for Vela \u003c-\u003e GitHub communication\n      - echo {{ env \"VELA_SOURCE_CLIENT\" }}\n      # secret used for server \u003c-\u003e worker communication\n      - echo {{ env \"VELA_SECRET\" }}\n```\n\n### Patches\n_Has the problem been patched? What versions should users upgrade to?_\n\n* Upgrade to `0.6.1`\n\n#### Additional Recommended Action(s)\n\n* Rotate all secrets\n\n### Workarounds\n_Is there a way for users to fix or remediate the vulnerability without upgrading?_\n\n* No\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n\n* Email us at [vela@target.com](mailto:vela@target.com)","status":"published","published":"2022-02-15T00:19:57Z","modified":"2023-01-09T05:04:58Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-78","CWE-200"],"updated_at":"2026-11-02T14:36:10.502376Z"}],"nvd":[{"id":"CVE-2020-26294","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.","status":"published","published":"2021-01-04T19:15:15.11Z","modified":"2026-06-17T03:08:01.1Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:06:28.340168Z"}],"osv":[{"id":"CVE-2020-26294","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.","status":"published","published":"2021-01-04T19:15:15.11Z","modified":"2026-10-20T10:52:57.464696057Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:16.248747Z"},{"id":"GHSA-gv2h-gf8m-r68j","title":"Exposure of server configuration in github.com/go-vela/server","description":"### Impact\n_What kind of vulnerability is it? Who is impacted?_\n\n* The ability to expose configuration set in the [Vela server](https://github.com/go-vela/server) via [pipeline template functionality](https://go-vela.github.io/docs/templates/overview/).\n* It impacts all users of Vela.\n\n\nSample of template exposing server configuration [using Sprig's `env` function](http://masterminds.github.io/sprig/os.html):\n\n```yaml\nmetadata:\n  template: true\n\nsteps:\n  - name: sample\n    image: alpine:latest\n    commands:\n      # OAuth client ID for Vela \u003c-\u003e GitHub communication\n      - echo {{ env \"VELA_SOURCE_CLIENT\" }}\n      # secret used for server \u003c-\u003e worker communication\n      - echo {{ env \"VELA_SECRET\" }}\n```\n\n### Patches\n_Has the problem been patched? What versions should users upgrade to?_\n\n* Upgrade to `0.6.1`\n\n#### Additional Recommended Action(s)\n\n* Rotate all secrets\n\n### Workarounds\n_Is there a way for users to fix or remediate the vulnerability without upgrading?_\n\n* No\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n\n* Email us at [vela@target.com](mailto:vela@target.com)","status":"published","published":"2022-02-15T00:19:57Z","modified":"2026-07-08T06:00:51.630225512Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-200","CWE-78"],"updated_at":"2026-11-02T15:46:48.191583Z"},{"id":"GO-2022-0838","title":"Exposure of server configuration in github.com/go-vela/server in github.com/go-vela/compiler","description":"Exposure of server configuration in github.com/go-vela/server in github.com/go-vela/compiler","status":"published","published":"2024-08-21T15:29:04Z","modified":"2026-03-03T04:52:18.875908Z","updated_at":"2026-11-02T15:47:00.918515Z"}]}}