{"id":"CVE-2026-108759","summary":"mistral.rs 0.9.0 through 0.9.4 Sandbox Escape via Symlink Following in mistralrs-code-exec","details":"mistral.rs 0.9.0 through 0.9.4 contains a link following vulnerability in mistralrs-code-exec that allows sandboxed shell code to read and overwrite files outside the sandbox via symlinks. Attackers or prompt-injected agents can name symlinks as outputs or reuse sessions with symlinked input paths to access files with the server process's permissions.","modified":"2026-10-12T02:32:33.230397498Z","published":"2026-10-11T12:19:56.496Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-59"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108759.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108759.json"},{"type":"PACKAGE","url":"https://github.com/EricLBuehler/mistral.rs"},{"type":"ARTICLE","url":"https://github.com/EricLBuehler/mistral.rs/blob/4400935451da5e2dc7379a3f92fbbada66557f6c/mistralrs-code-exec/src/files.rs#L241-L254"},{"type":"ARTICLE","url":"https://github.com/EricLBuehler/mistral.rs/blob/4400935451da5e2dc7379a3f92fbbada66557f6c/mistralrs-code-exec/src/mount.rs#L30-L50"},{"type":"ADVISORY","url":"https://hackmd.io/@haind03/ericlbuehler-mistralrs-code-exec-output-symlink-sandbox-escape"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108759"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/mistral-rs-0.9.0-through-0.9.4-sandbox-escape-via-symlink-following-in-mistralrs-code-exec"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/ericlbuehler/mistral.rs","events":[{"introduced":"54957525b8b648108000af2004a4991cf08c0e69"},{"last_affected":"4400935451da5e2dc7379a3f92fbbada66557f6c"}],"database_specific":{"extracted_events":[{"introduced":"0.9.0"},{"last_affected":"0.9.4"}],"source":"AFFECTED_FIELD"}}],"versions":["v0.9.4","v0.9.3","v0.9.2","v0.9.1","v0.9.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-108759.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"}]}