{"id":"CVE-2020-15272","aliases":["EUVD-2020-7274","GHSA-hgx2-4pp9-357g"],"status":"published","title":"Shell-injection in git-tag-annotation GitHub action","description":"In the git-tag-annotation-action (open source GitHub Action) before version 1.0.1, an attacker can execute arbitrary (*) shell commands if they can control the value of [the `tag` input] or manage to alter the value of [the `GITHUB_REF` environment variable]. The problem has been patched in version 1.0.1. If you don't use the `tag` input you are most likely safe. The `GITHUB_REF` environment variable is protected by the GitHub Actions environment so attacks from there should be impossible. If you must use the `tag` input and cannot upgrade to `\u003e 1.0.0` make sure that the value is not controlled by another Action.","severity":{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01175,"percentile":0.67831,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2020-10-26T18:20:20Z","modified":"2026-10-20T10:51:54Z","products":[{"vendor":"ericcornelissen","product":"git-tag-annotation-action"},{"vendor":"git-tag-annotation-action_project","product":"git-tag-annotation-action"}],"references":[{"url":"https://github.com/ericcornelissen/git-tag-annotation-action/security/advisories/GHSA-hgx2-4pp9-357g","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/ericcornelissen/git-tag-annotation-action/commit/9f30756375cc4b1b6c66f274fc9c591fa901455a","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/ericcornelissen/git-tag-annotation-action/releases/tag/v1.0.1","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]}],"sources":{"cve":[{"id":"CVE-2020-15272","title":"Shell-injection in git-tag-annotation GitHub action","description":"In the git-tag-annotation-action (open source GitHub Action) before version 1.0.1, an attacker can execute arbitrary (*) shell commands if they can control the value of [the `tag` input] or manage to alter the value of [the `GITHUB_REF` environment variable]. The problem has been patched in version 1.0.1. If you don't use the `tag` input you are most likely safe. The `GITHUB_REF` environment variable is protected by the GitHub Actions environment so attacks from there should be impossible. If you must use the `tag` input and cannot upgrade to `\u003e 1.0.0` make sure that the value is not controlled by another Action.","status":"published","published":"2020-10-26T18:20:20Z","modified":"2024-08-04T13:15:19.802Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:35:50.228781Z"}],"euvd":[{"id":"EUVD-2020-7274","description":"In the git-tag-annotation-action (open source GitHub Action) before version 1.0.1, an attacker can execute arbitrary (*) shell commands if they can control the value of [the `tag` input] or manage to alter the value of [the `GITHUB_REF` environment variable]. The problem has been patched in version 1.0.1. If you don't use the `tag` input you are most likely safe. The `GITHUB_REF` environment variable is protected by the GitHub Actions environment so attacks from there should be impossible. If you must use the `tag` input and cannot upgrade to `\u003e 1.0.0` make sure that the value is not controlled by another Action.","status":"published","published":"2020-10-26T18:20:20Z","modified":"2024-08-04T13:15:19Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-03T03:07:31.955969Z"}],"nvd":[{"id":"CVE-2020-15272","description":"In the git-tag-annotation-action (open source GitHub Action) before version 1.0.1, an attacker can execute arbitrary (*) shell commands if they can control the value of [the `tag` input] or manage to alter the value of [the `GITHUB_REF` environment variable]. The problem has been patched in version 1.0.1. If you don't use the `tag` input you are most likely safe. The `GITHUB_REF` environment variable is protected by the GitHub Actions environment so attacks from there should be impossible. If you must use the `tag` input and cannot upgrade to `\u003e 1.0.0` make sure that the value is not controlled by another Action.","status":"published","published":"2020-10-26T19:15:12.77Z","modified":"2026-06-17T02:56:24.117Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"critical","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:06:20.704992Z"}],"osv":[{"id":"CVE-2020-15272","description":"In the git-tag-annotation-action (open source GitHub Action) before version 1.0.1, an attacker can execute arbitrary (*) shell commands if they can control the value of [the `tag` input] or manage to alter the value of [the `GITHUB_REF` environment variable]. The problem has been patched in version 1.0.1. If you don't use the `tag` input you are most likely safe. The `GITHUB_REF` environment variable is protected by the GitHub Actions environment so attacks from there should be impossible. If you must use the `tag` input and cannot upgrade to `\u003e 1.0.0` make sure that the value is not controlled by another Action.","status":"published","published":"2020-10-26T19:15:12.77Z","modified":"2026-10-20T10:51:54.433958141Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T15:44:14.828228Z"}]}}