{"cve":"CVE-2026-12958","nvd":{"published":"2026-06-23T17:16:41.120","modified":"2026-10-26T11:10:00.157","status":"Awaiting Analysis","description":"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.","cvss_v4":{"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":8.5},"cvss_v3":{"version":"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},"cwes":["CWE-61"],"references":["https://aws.amazon.com/security/security-bulletins/2026-047-aws/","https://github.com/aws/language-servers/security/advisories/GHSA-6v3r-4p5c-mrp5"],"products":[],"source":"nvd","synced_at":"2026-10-26T11:33:08.859761529+00:00"},"epss":{"cve":"CVE-2026-12958","score":0.00191,"percentile":0.08685,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-6v3r-4p5c-mrp5","url":"https://osv.dev/vulnerability/GHSA-6v3r-4p5c-mrp5","summary":"Language Servers for AWS vulnerable to arbitrary file write","modified":"2026-09-24T19:30:05.283632225Z","packages":[{"ecosystem":"npm","name":"@aws/lsp-codewhisperer","purl":"pkg:npm/%40aws/lsp-codewhisperer","ranges":["<0.0.117"],"fixed":["0.0.117"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}