{"id":"CVE-2026-12958","aliases":["GHSA-6v3r-4p5c-mrp5"],"url":"https://o3.security/vulnerability/CVE-2026-12958","summary":"Arbitrary file write in Language Servers for AWS","details":"Missing symlink validation in Language Servers for AWS may allow an arbitrary file write outside of the workspace trust boundary. This may occur when a local user opens a workspace with a maliciously crafted symlink that resolves to a file path outside the workspace trust boundary.\n\n\n\nTo remediate this issue, users should upgrade to version 1.69.0 or higher.","published":"2026-06-23T16:03:01.746Z","modified":"2026-08-16T03:47:09.557749363Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://aws.amazon.com/security/security-bulletins/2026-047-aws/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/12xxx/CVE-2026-12958.json"},{"type":"ADVISORY","url":"https://github.com/aws/language-servers/security/advisories/GHSA-6v3r-4p5c-mrp5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12958"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-16T03:47:09.557749363Z"}}