CVE-2026-116192

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{"bugzilla": {"description": "github.com/rclone/rclone: rclone: Information disclosure via Server-Side Request Forgery in rc-serve", "id": "2560406", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2560406"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-918", "details": ["A flaw was found in rclone. This vulnerability allows an unauthenticated remote attacker to cause information disclosure through Server-Side Request Forgery (SSRF). When the rc-serve feature is enabled, an attacker can provide a double-slash path on an existing configured remote to redirect backend HTTP and NetStorage requests to an arbitrary destination. As a result, the attacker can intercept backend responses, capture sensitive custom headers, or obtain valid authentication signatures."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-116192", "package_state": [{"cpe": "cpe:/a:redhat:cryostat:4", "fix_state": "Fix deferred", "package_name": "cryostat/cryostat-storage-rhel9", "product_name": "Cryostat 4"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Fix deferred", "package_name": "rhacm2/volsync-rhel9", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}], "public_date": "2026-10-25T13:20:27Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-116192\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-116192\nhttps://github.com/rclone/rclone/security/advisories/GHSA-xqmq-v4wj-rw5m\nhttps://www.vulncheck.com/advisories/rclone-from-1.37-before-1.74.2-ssrf-via-rc-serve-scheme-relative-remote-roots"], "statement": "Red Hat rates this vulnerability as Moderate severity because successful exploitation requires rclone to be run with the non-default `--rc-serve` option against specific remote backends, limiting the blast radius under typical usage. In Red Hat environments such as Cryostat and Red Hat Advanced Cluster Management for Kubernetes (via VolSync), rclone is typically invoked internally for automated data synchronization rather than exposing an interactive, unauthenticated web server. Consequently, default installations do not expose this functionality to untrusted network traffic, significantly mitigating the overall operational risk.", "threat_severity": "Moderate"}

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