{"id":"CVE-2026-71280","published":"2026-08-05T13:24:52.573","lastModified":"2026-08-10T12:17:30.580","description":"go-shiori's DownloadBookmark (internal/core/download.go) fetches a caller-supplied bookmark URL using a plain http.Client with no custom DialContext or destination-IP validation (no IsLoopback, IsPrivate, IsUnspecified, or IsLinkLocalUnicast checks).","cvssScore":8.5,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N","cwes":["CWE-918"],"vendors":[],"products":[],"references":[{"url":"https://github.com/go-shiori/shiori","tags":[]},{"url":"https://github.com/go-shiori/shiori/blob/master/internal/core/download.go","tags":[]}],"exploitRefs":[{"url":"https://github.com/go-shiori/shiori","tags":[]},{"url":"https://github.com/go-shiori/shiori/blob/master/internal/core/download.go","tags":[]}],"hasPoc":true,"ai":{"summary":"The flaw allows an attacker to potentially manipulate or exploit a caller-supplied bookmark URL due to lack of validation checks, leading to potential security risks.","exploitability":"Exploitation requires control over the bookmark URL and network access; however, it is relatively straightforward given the absence of validation measures.","blast_radius":"If exploited, this could lead to significant data exposure or system compromise in real-world applications relying on untrusted input.","remediation":"Implement proper validation checks for URLs using IsLoopback, IsPrivate, IsUnspecified, and IsLinkLocalUnicast methods before processing them with http.Client.","tags":["url-validation","http-client","security-risk","input-sanitization"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-08-11T06:48:42.953Z"}}