{"id":"CVE-2026-45723","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-45723","generatedAt":"2026-10-28T02:21:22.216Z","title":"An authenticated Operator can submit traversal segments in TalosVersion, and url.URL.JoinPath normalizes them into unintended paths on the configured image-factory host.","description":"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.","published":"2026-09-17T20:16:49.000Z","lastModified":"2026-09-23T18:12:04.000Z","status":"Awaiting Analysis","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":2.7,"severity":"LOW","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N"},"cwe":["CWE-20","CWE-22","CWE-209","CWE-441","CWE-918"],"affected":[],"epss":{"score":0.00494,"percentile":0.4213,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.49%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/siderolabs/omni/commit/13c3f289789842e1fd954d98babb34b94eea1192","source":"security-advisories@github.com"},{"url":"https://github.com/siderolabs/omni/commit/3e69e80802624bf322f16aa499d5eafca16d0025","source":"security-advisories@github.com"},{"url":"https://github.com/siderolabs/omni/commit/9426c2cabccaa1d442bc8ebf28c16cae2d7c6ff7","source":"security-advisories@github.com"},{"url":"https://github.com/siderolabs/omni/pull/2817","source":"security-advisories@github.com"},{"url":"https://github.com/siderolabs/omni/releases/tag/v1.6.6","source":"security-advisories@github.com"},{"url":"https://github.com/siderolabs/omni/releases/tag/v1.7.3","source":"security-advisories@github.com"},{"url":"https://github.com/siderolabs/omni/security/advisories/GHSA-c66c-vq6w-fvh5","source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-45723","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}