{"id":"CVE-2026-27969","aliases":["GHSA-r492-hjgh-c9gw","GO-2026-4570"],"url":"https://o3.security/vulnerability/CVE-2026-27969","summary":"Vitess users with backup storage access can write to arbitrary file paths on restore","details":"Vitess is a database clustering system for horizontal scaling of MySQL. Prior to versions 23.0.3 and 22.0.4, anyone with read/write access to the backup storage location (e.g. an S3 bucket) can manipulate backup manifest files so that files in the manifest — which may be files that they have also added to the manifest and backup contents — are written to any accessible location on restore. This is a common path traversal security issue. This can be used to provide that attacker with unintended/unauthorized access to the production deployment environment — allowing them to access information available in that environment as well as run any additional arbitrary commands there. Versions 23.0.3 and 22.0.4 contain a patch. No known workarounds are available.","published":"2026-02-26T01:52:30.677Z","modified":"2026-08-12T03:51:28.244397044Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"vitess.io/vitess","fixedVersion":"0.23.3"},{"ecosystem":"Go","name":"vitess.io/vitess","fixedVersion":"0.22.4"}],"fix":{"url":"https://github.com/vitessio/vitess/commit/c565cab615bc962bda061dcd645aa7506c59ca4a","label":"vitessio/vitess@c565cab"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27969.json"},{"type":"ADVISORY","url":"https://github.com/vitessio/vitess/security/advisories/GHSA-r492-hjgh-c9gw"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27969"},{"type":"FIX","url":"https://github.com/vitessio/vitess/commit/c565cab615bc962bda061dcd645aa7506c59ca4a"},{"type":"FIX","url":"https://github.com/vitessio/vitess/pull/19470"},{"type":"PACKAGE","url":"https://github.com/vitessio/vitess"},{"type":"WEB","url":"https://owasp.org/www-community/attacks/Path_Traversal"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:28.244397044Z"}}