{"id":"CVE-2024-30254","aliases":["EUVD-2024-28181","GHSA-48c5-35fh-846h"],"status":"published","title":"Directory traversal allowing overwriting arbitrary files","description":"MesonLSP is an unofficial, unendorsed language server for meson written in C++. A vulnerability in versions prior to 4.1.4 allows overwriting arbitrary files if the attacker can make the victim either run the language server within a specific crafted project or `mesonlsp --full`. Version 4.1.4 contains a patch for this issue. As a workaround, avoid running `mesonlsp --full` and set the language server option `others.neverDownloadAutomatically` to `true`.","severity":{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00189,"percentile":0.08625,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2024-04-04T19:00:42Z","modified":"2026-10-28T02:30:29Z","products":[{"vendor":"jcwasmx86","product":"mesonlsp"}],"references":[{"url":"https://github.com/JCWasmx86/mesonlsp/security/advisories/GHSA-48c5-35fh-846h","tags":["x_refsource_CONFIRM","x_transferred","advisory"]},{"url":"https://github.com/JCWasmx86/mesonlsp/commit/594b6334061371911cd59389124ab8af30ce0a3a","tags":["x_refsource_MISC","x_transferred","fix"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/30xxx/CVE-2024-30254.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-30254","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-30254","title":"Directory traversal allowing overwriting arbitrary files","description":"MesonLSP is an unofficial, unendorsed language server for meson written in C++. A vulnerability in versions prior to 4.1.4 allows overwriting arbitrary files if the attacker can make the victim either run the language server within a specific crafted project or `mesonlsp --full`. Version 4.1.4 contains a patch for this issue. As a workaround, avoid running `mesonlsp --full` and set the language server option `others.neverDownloadAutomatically` to `true`.\n\n","status":"published","published":"2024-04-04T19:00:42.227Z","modified":"2024-08-26T20:43:45.256Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:34:07.831255Z"}],"euvd":[{"id":"EUVD-2024-28181","description":"MesonLSP is an unofficial, unendorsed language server for meson written in C++. A vulnerability in versions prior to 4.1.4 allows overwriting arbitrary files if the attacker can make the victim either run the language server within a specific crafted project or `mesonlsp --full`. Version 4.1.4 contains a patch for this issue. As a workaround, avoid running `mesonlsp --full` and set the language server option `others.neverDownloadAutomatically` to `true`.\n\n","status":"published","published":"2024-04-04T19:00:42Z","modified":"2024-08-26T20:43:45Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L","level":"medium"}],"updated_at":"2026-11-03T00:56:10.956482Z"}],"nvd":[{"id":"CVE-2024-30254","description":"MesonLSP is an unofficial, unendorsed language server for meson written in C++. A vulnerability in versions prior to 4.1.4 allows overwriting arbitrary files if the attacker can make the victim either run the language server within a specific crafted project or `mesonlsp --full`. Version 4.1.4 contains a patch for this issue. As a workaround, avoid running `mesonlsp --full` and set the language server option `others.neverDownloadAutomatically` to `true`.\n\n","status":"published","published":"2024-04-04T19:15:08.793Z","modified":"2026-06-17T07:26:36.837Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:09:48.152273Z"}],"osv":[{"id":"CVE-2024-30254","title":"Directory traversal allowing overwriting arbitrary files","description":"MesonLSP is an unofficial, unendorsed language server for meson written in C++. A vulnerability in versions prior to 4.1.4 allows overwriting arbitrary files if the attacker can make the victim either run the language server within a specific crafted project or `mesonlsp --full`. Version 4.1.4 contains a patch for this issue. As a workaround, avoid running `mesonlsp --full` and set the language server option `others.neverDownloadAutomatically` to `true`.\n\n","status":"published","published":"2024-04-04T19:00:42.227Z","modified":"2026-10-28T02:30:29.921542895Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:44:40.06138Z"}]}}