CVE-2026-45723 (GCVE-0-2026-45723)
Vulnerability from cvelistv5
Published
2026-09-17 19:39
Modified
2026-09-18 20:13
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-20 - Improper Input Validation
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
- CWE-209 - Generation of Error Message Containing Sensitive Information
- CWE-441 - Unintended Proxy or Intermediary ('Confused Deputy')
- CWE-918 - Server-Side Request Forgery (SSRF)
Summary
Omni manages Kubernetes on bare metal, virtual machines, or in a cloud. Prior to 1.6.6 and 1.7.3, managementServer.CreateSchematic in internal/backend/grpc/schematics.go passes the caller-controlled TalosVersion field to imageFactoryClient.OverlaysVersions without validating it as a version. An authenticated Operator can submit traversal segments in TalosVersion, and url.URL.JoinPath normalizes them into unintended paths on the configured image-factory host. Omni then issues HTTP GET requests to those paths and reflects error-body content, enabling same-host endpoint probing and possible disclosure of internal diagnostics while preventing redirection to another host or write requests. This issue is fixed in versions 1.6.6 and 1.7.3.
References
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| siderolabs | omni |
Version: < 1.6.6 Version: >= 1.7.0, < 1.7.3 |
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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