{"id":"CVE-2026-41863","aliases":["EUVD-2026-31638","GHSA-cc4m-mp48-x7qg"],"status":"published","title":"LLM-influenced filename used unsanitized in Path.resolve before file write in Spring AI support for Anthropic Skills API","description":"Spring AI's support for Anthropic's Skills API used LLM-influenced filenames unsanitized in Path.resolve before writing files to disk. This could allow a malicious user to write files outside the intended target directory, including restricted directories.\n\nAffected versions:\nSpring AI: 1.1.0 through 1.1.x","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00398,"percentile":0.34305,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-22"],"published":"2026-05-25T05:45:37Z","modified":"2026-10-28T02:30:45Z","fixes":[{"ecosystem":"Maven","package":"org.springframework.ai:spring-ai-anthropic","fixed_in":["1.1.7"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.springframework.ai:spring-ai-anthropic","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.1.0"},{"fixed":"1.1.7"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.springframework.ai:spring-ai-anthropic","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.1.0"},{"fixed":"1.1.7"}]}],"versions":["1.1.0","1.1.1","1.1.2","1.1.3","1.1.4","1.1.5","1.1.6"]}],"products":[{"vendor":"spring","product":"spring ai"},{"vendor":"vmware","product":"spring ai"},{"vendor":"vmware","product":"spring_ai"}],"references":[{"url":"https://spring.io/security/cve-2026-41863","tags":["Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41863","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-cc4m-mp48-x7qg"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41863.json","tags":["advisory"]},{"url":"https://github.com/spring-projects/spring-ai","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-41863","title":"LLM-influenced filename used unsanitized in Path.resolve before file write in Spring AI support for Anthropic Skills API","description":"Spring AI's support for Anthropic's Skills API used LLM-influenced filenames unsanitized in Path.resolve before writing files to disk. This could allow a malicious user to write files outside the intended target directory, including restricted directories.\n\nAffected versions:\nSpring AI: 1.1.0 through 1.1.x","status":"published","published":"2026-05-25T05:45:37.69Z","modified":"2026-05-26T14:19:10.481Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T13:41:19.694734Z"}],"euvd":[{"id":"EUVD-2026-31638","description":"Spring AI's support for Anthropic's Skills API used LLM-influenced filenames unsanitized in Path.resolve before writing files to disk. This could allow a malicious user to write files outside the intended target directory, including restricted directories.\n\nAffected versions:\nSpring AI: 1.1.0 through 1.1.x","status":"published","published":"2026-05-25T05:45:37Z","modified":"2026-05-26T14:19:10Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T18:21:07.388987Z"}],"ghsa":[{"id":"GHSA-cc4m-mp48-x7qg","title":"Spring AI's support for Anthropic's Skills API used LLM-influenced filenames unsanitized in Path.resolve before writing files to disk","description":"Spring AI's support for Anthropic's Skills API used LLM-influenced filenames unsanitized in Path.resolve before writing files to disk. This could allow a malicious user to write files outside the intended target directory, including restricted directories.\n\nAffected versions:\nSpring AI: 1.1.0 through 1.1.7","status":"published","published":"2026-05-26T13:30:39Z","modified":"2026-06-30T16:50:39Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:40:35.701766Z"}],"nvd":[{"id":"CVE-2026-41863","description":"Spring AI's support for Anthropic's Skills API used LLM-influenced filenames unsanitized in Path.resolve before writing files to disk. This could allow a malicious user to write files outside the intended target directory, including restricted directories.\n\nAffected versions:\nSpring AI: 1.1.0 through 1.1.x","status":"published","published":"2026-05-25T07:16:16.377Z","modified":"2026-07-23T17:10:00.123Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:12:20.131508Z"}],"osv":[{"id":"CVE-2026-41863","title":"LLM-influenced filename used unsanitized in Path.resolve before file write in Spring AI support for Anthropic Skills API","description":"Spring AI's support for Anthropic's Skills API used LLM-influenced filenames unsanitized in Path.resolve before writing files to disk. This could allow a malicious user to write files outside the intended target directory, including restricted directories.\n\nAffected versions:\nSpring AI: 1.1.0 through 1.1.x","status":"published","published":"2026-05-25T05:45:37.69Z","modified":"2026-10-28T02:30:45.07939723Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:45:03.764807Z"},{"id":"GHSA-cc4m-mp48-x7qg","title":"Spring AI's support for Anthropic's Skills API used LLM-influenced filenames unsanitized in Path.resolve before writing files to disk","description":"Spring AI's support for Anthropic's Skills API used LLM-influenced filenames unsanitized in Path.resolve before writing files to disk. This could allow a malicious user to write files outside the intended target directory, including restricted directories.\n\nAffected versions:\nSpring AI: 1.1.0 through 1.1.7","status":"published","published":"2026-05-26T13:30:39Z","modified":"2026-06-30T17:11:33.752121Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:46:44.927642Z"}]}}