CVE-2026-79779

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{"bugzilla": {"description": "github.com/rclone/rclone: rclone: Credential exposure via HTTPS-to-HTTP redirect downgrade.", "id": "2523550", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2523550"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-523", "details": ["rclone versions before v1.75.0 fail to reject transport downgrades in redirect handling, allowing Basic authorization and Cookie headers to be replayed over plaintext HTTP after same-host HTTPS-to-HTTP redirects. An on-path attacker observing the plaintext hop can capture and reuse credentials to perform WebDAV operations with the compromised account's permissions.", "A flaw was found in rclone. The application fails to reject transport downgrades during redirect handling, which allows Basic authorization and Cookie headers to be replayed over plaintext HTTP following HTTPS-to-HTTP redirects on the same host. An on-path attacker can observe this plaintext communication, capture, and reuse credentials, leading to unauthorized WebDAV operations with the compromised account's permissions."], "name": "CVE-2026-79779", "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": "2026-08-25T15:16:09Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-79779\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-79779\nhttps://github.com/rclone/rclone/security/advisories/GHSA-h4mf-4v27-hggj\nhttps://www.vulncheck.com/advisories/rclone-before-webdav-credential-exposure-via-https-to-http-redirect"], "threat_severity": "Moderate"}

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