{"id":"CVE-2026-73036","aliases":["EUVD-2026-56927","GHSA-jh23-4vmr-7f8q"],"status":"published","title":"Bash-it barbuk Theme 3.2.0 Terminal Escape Sequence Injection via pyproject.toml","description":"Bash-it 3.2.0 contains a terminal escape sequence injection vulnerability in the barbuk theme's Python virtualenv prompt segment that allows local attackers to inject arbitrary terminal control sequences by embedding escape sequences in the requires-python field of a pyproject.toml file. When a user navigates into a directory containing a maliciously crafted pyproject.toml, the unfiltered field value is read via awk and concatenated directly into PS1 through __prompt-command without stripping control characters, causing injected OSC or CSI sequences to be written to and interpreted by the terminal emulator on every prompt render.","severity":{"version":"4.0","score":4.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00177,"percentile":0.07317,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-150"],"published":"2026-08-11T19:37:12Z","modified":"2026-11-09T02:47:22Z","products":[{"vendor":"bash-it","product":"bash-it"}],"references":[{"url":"https://github.com/Bash-it/bash-it","tags":["product","package"]},{"url":"https://github.com/Bash-it/bash-it/commit/fab8f57818f28bfc6f2a81f86a58981c4ea72e5a","tags":["patch","fix"]},{"url":"https://github.com/Bash-it/bash-it/issues/2396","tags":["issue-tracking","report"]},{"url":"https://github.com/Bash-it/bash-it/pull/2397","tags":["technical-description","patch","fix"]},{"url":"https://www.vulncheck.com/advisories/bash-it-barbuk-theme-terminal-escape-sequence-injection-via-pyproject-toml","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73036","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-jh23-4vmr-7f8q"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73036.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-73036","title":"Bash-it barbuk Theme 3.2.0 Terminal Escape Sequence Injection via pyproject.toml","description":"Bash-it 3.2.0 contains a terminal escape sequence injection vulnerability in the barbuk theme's Python virtualenv prompt segment that allows local attackers to inject arbitrary terminal control sequences by embedding escape sequences in the requires-python field of a pyproject.toml file. When a user navigates into a directory containing a maliciously crafted pyproject.toml, the unfiltered field value is read via awk and concatenated directly into PS1 through __prompt-command without stripping control characters, causing injected OSC or CSI sequences to be written to and interpreted by the terminal emulator on every prompt render.","status":"published","published":"2026-08-11T19:37:12.133Z","modified":"2026-11-08T14:08:44.954Z","cvss":[{"version":"4.0","score":4.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-150"],"updated_at":"2026-11-08T15:43:34.234229Z"}],"euvd":[{"id":"EUVD-2026-56927","description":"Bash-it 3.2.0 contains a terminal escape sequence injection vulnerability in the barbuk theme's Python virtualenv prompt segment that allows local attackers to inject arbitrary terminal control sequences by embedding escape sequences in the requires-python field of a pyproject.toml file. When a user navigates into a directory containing a maliciously crafted pyproject.toml, the unfiltered field value is read via awk and concatenated directly into PS1 through __prompt-command without stripping control characters, causing injected OSC or CSI sequences to be written to and interpreted by the terminal emulator on every prompt render.","status":"published","published":"2026-08-11T19:37:12Z","modified":"2026-11-08T14:08:44Z","cvss":[{"version":"4.0","score":4.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-08T15:13:06.469155Z"}],"ghsa":[{"id":"GHSA-jh23-4vmr-7f8q","title":"Bash-it 3.2.0 contains a terminal escape sequence injection vulnerability in the barbuk theme's...","description":"Bash-it 3.2.0 contains a terminal escape sequence injection vulnerability in the barbuk theme's Python virtualenv prompt segment that allows local attackers to inject arbitrary terminal control sequences by embedding escape sequences in the requires-python field of a pyproject.toml file. When a user navigates into a directory containing a maliciously crafted pyproject.toml, the unfiltered field value is read via awk and concatenated directly into PS1 through __prompt-command without stripping control characters, causing injected OSC or CSI sequences to be written to and interpreted by the terminal emulator on every prompt render.","status":"published","published":"2026-08-11T21:33:10Z","modified":"2026-08-11T21:33:18Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"},{"version":"4.0","score":4.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-150"],"updated_at":"2026-11-02T15:10:21.509652Z"}],"nvd":[{"id":"CVE-2026-73036","description":"Bash-it 3.2.0 contains a terminal escape sequence injection vulnerability in the barbuk theme's Python virtualenv prompt segment that allows local attackers to inject arbitrary terminal control sequences by embedding escape sequences in the requires-python field of a pyproject.toml file. When a user navigates into a directory containing a maliciously crafted pyproject.toml, the unfiltered field value is read via awk and concatenated directly into PS1 through __prompt-command without stripping control characters, causing injected OSC or CSI sequences to be written to and interpreted by the terminal emulator on every prompt render.","status":"published","published":"2026-08-11T20:18:46.617Z","modified":"2026-09-24T20:32:12.967Z","cvss":[{"version":"4.0","score":4.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-150"],"updated_at":"2026-11-02T14:12:36.880938Z"}],"osv":[{"id":"CVE-2026-73036","title":"Bash-it barbuk Theme 3.2.0 Terminal Escape Sequence Injection via pyproject.toml","description":"Bash-it 3.2.0 contains a terminal escape sequence injection vulnerability in the barbuk theme's Python virtualenv prompt segment that allows local attackers to inject arbitrary terminal control sequences by embedding escape sequences in the requires-python field of a pyproject.toml file. When a user navigates into a directory containing a maliciously crafted pyproject.toml, the unfiltered field value is read via awk and concatenated directly into PS1 through __prompt-command without stripping control characters, causing injected OSC or CSI sequences to be written to and interpreted by the terminal emulator on every prompt render.","status":"published","published":"2026-08-11T19:37:12.133Z","modified":"2026-11-09T02:47:22.733838172Z","cvss":[{"version":"4.0","score":4.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"cwes":["CWE-150"],"updated_at":"2026-11-09T03:16:17.543303Z"}]}}