{"id":"EUVD-2026-101154","revision":null,"records":[{"revision":"963e968b9da84352850cc484447c3693","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-103929","aliases":[],"title":"mise permits untrusted local configuration to override default shell arguments","description":"mise manages dev tools like node, python, cmake, and terraform. Prior to 2026.7.14, in the default non-safe mode, mise loads .mise.toml [settings] from an untrusted local project before trust approval and strip_local_only_settings removes only fields marked global_only. The unix_default_file_shell_args, unix_default_inline_shell_args, windows_default_file_shell_args, and windows_default_inline_shell_args settings were not marked global_only, allowing a repository to replace the default interpreter arguments used by trusted tasks that have no explicit shell, postinstall directives, template exec operations, or hooks that fall back to the default shell. When mise appends the trusted command after the attacker-controlled interpreter arguments, the attacker-selected command can execute first with the developer account's privileges even though the local configuration was never trusted. The separate path-sanitization hardening note in the advisory is outside this vulnerability. This issue is fixed in version 2026.7.14.","state":0,"publishedAt":"2026-10-14T15:11:13.991+00:00","modifiedAt":"2026-10-15T19:11:22.636+00:00","affected":[{"ecosystem":"Vendor product","name":"mise","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"jdx\",\n                    \"product\": \"mise\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 2026.7.14\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://github.com/jdx/mise/security/advisories/GHSA-g74g-rg72-j2p3","https://github.com/jdx/mise/pull/11293","https://github.com/jdx/mise/commit/c6cd7a9a2ca580918562566126646e5d04317895","https://github.com/jdx/mise/releases/tag/v2026.7.14"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-103929","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-103929","identifiers":["CVE-2026-103929"]},"retained":false,"historicalAffected":[]},{"revision":"104aa3c117794a37860037087f92eae7","observedAt":"2026-11-09T05:04:16.127+00:00","statement":{"source":"euvd","id":"EUVD-2026-101154","aliases":["CVE-2026-103929","GHSA-g74g-rg72-j2p3"],"title":"mise manages dev tools like node, python, cmake, and terraform. Prior to 2026.7.14, in the default non-safe mode, mise loads .mise.toml [settings] from an untrusted local project before trust approval and strip_local_only_settings removes o…","description":"mise manages dev tools like node, python, cmake, and terraform. Prior to 2026.7.14, in the default non-safe mode, mise loads .mise.toml [settings] from an untrusted local project before trust approval and strip_local_only_settings removes only fields marked global_only. The unix_default_file_shell_args, unix_default_inline_shell_args, windows_default_file_shell_args, and windows_default_inline_shell_args settings were not marked global_only, allowing a repository to replace the default interpreter arguments used by trusted tasks that have no explicit shell, postinstall directives, template exec operations, or hooks that fall back to the default shell. When mise appends the trusted command after the attacker-controlled interpreter arguments, the attacker-selected command can execute first with the developer account's privileges even though the local configuration was never trusted. The separate path-sanitization hardening note in the advisory is outside this vulnerability. This issue is fixed in version 2026.7.14.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8,"severity":null}],"references":["https://github.com/jdx/mise/security/advisories/GHSA-g74g-rg72-j2p3","https://github.com/jdx/mise/pull/11293","https://github.com/jdx/mise/commit/c6cd7a9a2ca580918562566126646e5d04317895","https://github.com/jdx/mise/releases/tag/v2026.7.14"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-101154","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Oct 14, 2026, 3:11:13 PM","dateUpdated":"Oct 15, 2026, 7:11:22 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-101154","identifiers":["EUVD-2026-101154","CVE-2026-103929","GHSA-g74g-rg72-j2p3"]},"retained":false,"historicalAffected":[]},{"revision":"65f8f7ee4dd549e1bd971c9019374649","observedAt":"2026-10-25T04:17:29.458+00:00","statement":{"source":"nvd","id":"CVE-2026-103929","aliases":[],"title":"mise manages dev tools like node, python, cmake, and terraform. Prior to 2026.7.14, in the default non-safe mode, mise loads .mise.toml [settings] from an untrusted local project before trust approval and strip_local_only_settings removes o…","description":"mise manages dev tools like node, python, cmake, and terraform. Prior to 2026.7.14, in the default non-safe mode, mise loads .mise.toml [settings] from an untrusted local project before trust approval and strip_local_only_settings removes only fields marked global_only. The unix_default_file_shell_args, unix_default_inline_shell_args, windows_default_file_shell_args, and windows_default_inline_shell_args settings were not marked global_only, allowing a repository to replace the default interpreter arguments used by trusted tasks that have no explicit shell, postinstall directives, template exec operations, or hooks that fall back to the default shell. When mise appends the trusted command after the attacker-controlled interpreter arguments, the attacker-selected command can execute first with the developer account's privileges even though the local configuration was never trusted. The separate path-sanitization hardening note in the advisory is outside this vulnerability. This issue is fixed in version 2026.7.14.","state":0,"publishedAt":"2026-10-14T16:17:30.577+00:00","modifiedAt":"2026-10-15T19:17:14.32+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://github.com/jdx/mise/commit/c6cd7a9a2ca580918562566126646e5d04317895","https://github.com/jdx/mise/pull/11293","https://github.com/jdx/mise/releases/tag/v2026.7.14","https://github.com/jdx/mise/security/advisories/GHSA-g74g-rg72-j2p3"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-103929","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-78","CWE-284"],"productCriteria":[],"sourceDates":{"published":"2026-10-14T16:17:30.577","lastModified":"2026-10-15T19:17:14.320"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-103929","identifiers":["CVE-2026-103929"]},"retained":false,"historicalAffected":[]},{"revision":"37193d92f14648ed931de4b17e652891","observedAt":"2026-10-24T13:19:54.901+00:00","statement":{"source":"osv","id":"GHSA-g74g-rg72-j2p3","aliases":["CVE-2026-103929"],"title":"mise permits untrusted local configuration to override default shell arguments","description":"## Summary\n\nUntrusted local .mise.toml [settings] can set the shell interpreter args (unix/windows default_inline / default_file shell_args), yielding arbitrary command execution, because those command-interpreter settings were not added to the global_only denylist the CVE-2026-55448 fix relies on. Code execution from an untrusted repository with no trust prompt for the malicious file, on par with the patched CVE. Confirmed at HEAD 7160170206782fdd3ef287c8302369e32152fb71.\n\n## The defect\n\nCVE-2026-55448 and CVE-2026-35533 fixed the fact that a local project [settings] table is harvested by the settings preloader independent of the trust store (an untrusted .mise.toml sets settings without the user ever trusting it). The remediation is a per-field global_only denylist: settings marked global_only are stripped from non-global config. The maintainers marked the command-execution fields they knew about (the three forge credential_command values) but did not mark the four shell-interpreter-args settings, which are also command-execution settings because they choose the interpreter for every command mise spawns.\n\nThe global_only denylist and the gap. In settings.toml, the three credential_command sinks are global_only (forgejo.credential_command around line 775, github.credential_command around 828, gitlab.credential_command around 990). The four shell-args settings do not carry global_only:\n\n- unix_default_file_shell_args (settings.toml around 2920)\n- unix_default_inline_shell_args (around 2926)\n- windows_default_file_shell_args (around 3004)\n- windows_default_inline_shell_args (around 3010)\n\nThe strip logic only removes global_only keys. src/config/settings.rs strip_local_only_settings (line 409) filters by meta.global_only (line 416: `filter_map(|(key, meta)| meta.global_only.then_some(*key))`), so any field not marked global_only survives from a local untrusted config. The settings preload loads every config path including the local project file (all_settings_files, line 778), and in default (non-safe) mode there is no trust check (safe_mode defaults false, line 1141).\n\nThe sink. src/config/settings.rs default_inline_shell (line 1032) reads self.unix_default_inline_shell_args (line 1040), and default_file_shell reads unix_default_file_shell_args. Settings::get returns the merged global-plus-local value minus global_only, so the untrusted project value overrides the built-in default (sh -c -o errexit).\n\nInjection semantics. The real command is appended after the attacker's args, so PAYLOAD runs and the real command is demoted to $0:\n\n- tera inline exec builtin: src/tera.rs (tera1_exec around 1358, and around 1470) builds shell[1..] + [command] with program = shell[0]. An attacker unix_default_inline_shell_args = \"sh -c 'PAYLOAD'\" yields sh -c 'PAYLOAD' <command>.\n- postinstall runner: src/backend/mod.rs around 2405 calls cmd_body_args(shell_args, body); src/cmd.rs cmd_body_args (non-Windows, around 520) returns program flags... body, the same demotion.\n- task execution: src/task/task_executor.rs (around 916, 939, 993) uses task.shell()?.unwrap_or(default_inline_shell()/default_file_shell()), so a trusted task with no explicit shell (the common case) runs through the attacker's interpreter.\n- hooks: src/hooks.rs (around 540, 603) also fall back to default_inline_shell().\n\n## Attacker model and reachability\n\nAn untrusted repository the developer clones and cd's into. The attacker's .mise.toml sits in the working directory or any ancestor and is never trusted by the victim; its [settings] table is harvested by the preloader independent of the trust store, exactly as the two prior CVEs established. The executed command can come from a trusted or global source; only the interpreter is attacker-controlled. Any of these, run while the untrusted .mise.toml is in an ancestor directory, fires it: mise run <task> for a task defined in the global config or a trusted parent repo (inline run, no explicit shell); mise install of any tool with a postinstall directive; any tera template that calls exec(...) in the victim's own trusted or global config; a directory-enter hook from any trusted config in scope.\n\nProof of concept. In an untrusted repo, .mise.toml:\n\n```toml\n[settings]\nunix_default_inline_shell_args = \"sh -c 'id > /tmp/mise_pwned'\"\n```\n\nThe victim cd's in (does not trust the file) and later runs any global or trusted-parent task with no explicit shell, or mise install of a tool with a postinstall, or a config that renders {{ exec(...) }}. mise builds `sh -c 'id > /tmp/mise_pwned' <realcommand>`, so the payload runs.\n\n## Verification\n\nSource-verified at HEAD: the four shell-args settings lack global_only while the credential_command sinks have it, strip_local_only_settings removes only global_only keys, default_inline_shell reads the setting, and the exec/postinstall/task paths append the real command after the attacker args. The load path is the same one two shipped CVEs already proved reachable. I did not run mise end to end.\n\n## Suggested fix\n\nMark all four *_default_*_shell_args settings global_only = true (the same treatment as credential_command), or flip the default-mode policy to an allowlist so any setting not explicitly known-safe is stripped from non-global config.\n\nSecondary note (weaker, not the main finding): the CVE-2026-54557 path-sanitization fix added sanitize_install_version_name only inside the HTTP backend (src/backend/http.rs around 628), while the general path builder ToolVersion::tv_pathname (src/toolset/tool_version.rs around 292) still only replaces ':' and '/' and does not neutralize '..' or backslash. Impact is narrow (one level up, stays in the mise data dir on Unix), so this is a hardening note, not a primary finding.\n\n## Tooling\n\nAI assistance was used while investigating, but the researcher read strip_local_only_settings (confirming it strips only global_only), the settings.toml entries (confirming the four shell-args settings lack global_only while credential_command has it), default_inline_shell (confirming it reads the setting), and the exec/postinstall/task invocation sites (confirming the real command is appended after the attacker args) themself at HEAD, so the incomplete fix is source-verified.","state":0,"publishedAt":"2026-10-15T20:16:09+00:00","modifiedAt":"2026-10-15T20:30:06.5481052+00:00","affected":[{"ecosystem":"crates.io","name":"mise","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"2026.7.14"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/jdx/mise/security/advisories/GHSA-g74g-rg72-j2p3","https://nvd.nist.gov/vuln/detail/CVE-2026-103929","https://github.com/jdx/mise/pull/11293","https://github.com/jdx/mise/commit/c6cd7a9a2ca580918562566126646e5d04317895","https://github.com/jdx/mise","https://github.com/jdx/mise/releases/tag/v2026.7.14"],"sourceUrl":"https://github.com/advisories/GHSA-g74g-rg72-j2p3","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-g74g-rg72-j2p3","identifiers":["GHSA-g74g-rg72-j2p3","CVE-2026-103929"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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