Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linuxfoundation | Vitess | < 22.0.4 |
Related Weaknesses (CWE)
References
- https://github.com/vitessio/vitess/commit/c565cab615bc962bda061dcd645aa7506c59caPatch
- https://github.com/vitessio/vitess/pull/19470Issue TrackingPatch
- https://github.com/vitessio/vitess/security/advisories/GHSA-r492-hjgh-c9gwPatchVendor Advisory
FAQ
What is CVE-2026-27969?
CVE-2026-27969 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 manipu...
How severe is CVE-2026-27969?
CVE-2026-27969 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-27969?
Check the references section above for vendor advisories and patch information. Affected products include: Linuxfoundation Vitess.