{"id":"CVE-2020-26284","aliases":["DEBIAN-CVE-2020-26284","EUVD-2021-1294","GHSA-8j34-9876-pvfq"],"status":"published","title":"Hugo can execute a binary from the current directory on Windows","description":"Hugo is a fast and Flexible Static Site Generator built in Go. Hugo depends on Go's `os/exec` for certain features, e.g. for rendering of Pandoc documents if these binaries are found in the system `%PATH%` on Windows. In Hugo before version 0.79.1, if a malicious file with the same name (`exe` or `bat`) is found in the current working directory at the time of running `hugo`, the malicious command will be invoked instead of the system one. Windows users who run `hugo` inside untrusted Hugo sites are affected. Users should upgrade to Hugo v0.79.1. Other than avoiding untrusted Hugo sites, there is no workaround.","severity":{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01468,"percentile":0.74067,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-78"],"published":"2020-12-21T22:40:15Z","modified":"2026-10-26T12:02:41Z","fixes":[{"ecosystem":"Go","package":"github.com/gohugoio/hugo","fixed_in":["0.79.1"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"hugo","fixed_in":["0.79.1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"hugo","fixed_in":["0.79.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"hugo","fixed_in":["0.79.1-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/gohugoio/hugo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.79.1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"hugo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.79.1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"hugo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.79.1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"hugo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.79.1-1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/gohugoio/hugo","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.79.1"}]}]}],"products":[{"vendor":"gohugo","product":"hugo"},{"vendor":"gohugoio","product":"hugo"}],"references":[{"url":"https://github.com/gohugoio/hugo/security/advisories/GHSA-8j34-9876-pvfq","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/golang/go/issues/38736","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-26284","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8j34-9876-pvfq"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-26284","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2020-26284","title":"Hugo can execute a binary from the current directory on Windows","description":"Hugo is a fast and Flexible Static Site Generator built in Go. Hugo depends on Go's `os/exec` for certain features, e.g. for rendering of Pandoc documents if these binaries are found in the system `%PATH%` on Windows. In Hugo before version 0.79.1, if a malicious file with the same name (`exe` or `bat`) is found in the current working directory at the time of running `hugo`, the malicious command will be invoked instead of the system one. Windows users who run `hugo` inside untrusted Hugo sites are affected. Users should upgrade to Hugo v0.79.1. Other than avoiding untrusted Hugo sites, there is no workaround.","status":"published","published":"2020-12-21T22:40:15Z","modified":"2024-08-04T15:56:03.976Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:35:46.129376Z"}],"euvd":[{"id":"EUVD-2021-1294","description":"Hugo is a fast and Flexible Static Site Generator built in Go. Hugo depends on Go's `os/exec` for certain features, e.g. for rendering of Pandoc documents if these binaries are found in the system `%PATH%` on Windows. In Hugo before version 0.79.1, if a malicious file with the same name (`exe` or `bat`) is found in the current working directory at the time of running `hugo`, the malicious command will be invoked instead of the system one. Windows users who run `hugo` inside untrusted Hugo sites are affected. Users should upgrade to Hugo v0.79.1. Other than avoiding untrusted Hugo sites, there is no workaround.","status":"published","published":"2020-12-21T22:40:15Z","modified":"2024-08-04T15:56:03Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-03T03:07:15.778249Z"}],"ghsa":[{"id":"GHSA-8j34-9876-pvfq","title":"Hugo can execute a binary from the current directory on Windows","description":"## Impact\n\nHugo depends on Go's `os/exec` for certain features, e.g. for rendering of Pandoc documents if these binaries are found in the system `%PATH%` on Windows. However, if a malicious file with the same name (`exe` or `bat`) is found in the current working directory at the time of running `hugo`, the malicious command will be invoked instead of the system one.\n\nWindows users who run `hugo` inside untrusted Hugo sites are affected.\n\n## Patches\nUsers should upgrade to Hugo v0.79.1.","status":"published","published":"2021-06-23T17:28:26Z","modified":"2023-02-01T05:05:47Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:36:35.781528Z"}],"nvd":[{"id":"CVE-2020-26284","description":"Hugo is a fast and Flexible Static Site Generator built in Go. Hugo depends on Go's `os/exec` for certain features, e.g. for rendering of Pandoc documents if these binaries are found in the system `%PATH%` on Windows. In Hugo before version 0.79.1, if a malicious file with the same name (`exe` or `bat`) is found in the current working directory at the time of running `hugo`, the malicious command will be invoked instead of the system one. Windows users who run `hugo` inside untrusted Hugo sites are affected. Users should upgrade to Hugo v0.79.1. Other than avoiding untrusted Hugo sites, there is no workaround.","status":"published","published":"2020-12-21T23:15:12.157Z","modified":"2026-06-17T03:07:59.843Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":8.5,"vector":"AV:N/AC:M/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:06:27.73474Z"}],"osv":[{"id":"CVE-2020-26284","description":"Hugo is a fast and Flexible Static Site Generator built in Go. Hugo depends on Go's `os/exec` for certain features, e.g. for rendering of Pandoc documents if these binaries are found in the system `%PATH%` on Windows. In Hugo before version 0.79.1, if a malicious file with the same name (`exe` or `bat`) is found in the current working directory at the time of running `hugo`, the malicious command will be invoked instead of the system one. Windows users who run `hugo` inside untrusted Hugo sites are affected. Users should upgrade to Hugo v0.79.1. Other than avoiding untrusted Hugo sites, there is no workaround.","status":"published","published":"2020-12-21T23:15:12.157Z","modified":"2026-10-20T10:52:57.624935133Z","cvss":[{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:16.248747Z"},{"id":"DEBIAN-CVE-2020-26284","description":"Hugo is a fast and Flexible Static Site Generator built in Go. Hugo depends on Go's `os/exec` for certain features, e.g. for rendering of Pandoc documents if these binaries are found in the system `%PATH%` on Windows. In Hugo before version 0.79.1, if a malicious file with the same name (`exe` or `bat`) is found in the current working directory at the time of running `hugo`, the malicious command will be invoked instead of the system one. Windows users who run `hugo` inside untrusted Hugo sites are affected. Users should upgrade to Hugo v0.79.1. Other than avoiding untrusted Hugo sites, there is no workaround.","status":"published","published":"2020-12-21T23:15:12.157Z","modified":"2026-10-26T12:02:41.369530153Z","cvss":[{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:33.729655Z"},{"id":"GHSA-8j34-9876-pvfq","title":"Hugo can execute a binary from the current directory on Windows","description":"## Impact\n\nHugo depends on Go's `os/exec` for certain features, e.g. for rendering of Pandoc documents if these binaries are found in the system `%PATH%` on Windows. However, if a malicious file with the same name (`exe` or `bat`) is found in the current working directory at the time of running `hugo`, the malicious command will be invoked instead of the system one.\n\nWindows users who run `hugo` inside untrusted Hugo sites are affected.\n\n## Patches\nUsers should upgrade to Hugo v0.79.1.","status":"published","published":"2021-06-23T17:28:26Z","modified":"2026-09-10T03:49:05.702625854Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:46:42.437513Z"}]}}