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The vulnerability allowed other URLs to be shortened, as long as they contain the PrivateBin instance, defeating the limit imposed by the proxy.\n\nNeither the confidentially of existing pastes on the server nor the configuration options including the YOURLs token are affected.\n\n### Impact\n\nThis issue only affects non-standard configurations of PrivateBin. Instances are affected if all of the following conditions are met:\n1. The PrivateBin instance enables URL shortening.\n2. A YOURLs URL shortener is used and it is configured not to be public and require authentication to shorten URLs.\n3. A basepath, the YOURLs proxy mechanism and an authentication token is  configured in PrivateBin to use the non-public YOURLs instance.\n4. 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The vulnerability allowed other URLs to be shortened, as long as they contain the PrivateBin instance, defeating the limit imposed by the proxy.\n\nNeither the confidentially of existing pastes on the server nor the configuration options including the YOURLs token are affected.\n\n### Impact\n\nThis issue only affects non-standard configurations of PrivateBin. Instances are affected if all of the following conditions are met:\n1. The PrivateBin instance enables URL shortening.\n2. A YOURLs URL shortener is used and it is configured not to be public and require authentication to shorten URLs.\n3. A basepath, the YOURLs proxy mechanism and an authentication token is  configured in PrivateBin to use the non-public YOURLs instance.\n4. A crafted URL is sent to Pri","public_affected_ranges":["ECOSYSTEM: introduced 1.5.0; fixed 1.7.4"]}],"null_published_at":"2026-11-03T17:49:18.514Z","source_updated_at":"2026-09-10T03:50:16.810Z","source_disclosed_at":"2024-07-10T14:25:23.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:30.982Z"},{"id":"NVI-00002100","kind":"vulnerability","title":"PrivateBin allows shortening of URLs for other domains","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mqqj-fx8h-437j","CVE-2024-39899"],"plain_summary":"OSV carries this publisher advisory for privatebin/privatebin. 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The vulnerability allowed other URLs to be shortened, as long as they contain the PrivateBin instance, defeating the limit imposed by the proxy.\n\nNeither the confidentially of existing pastes on the server nor the configuration options including the YOURLs token are affected.\n\n### Impact\n\nThis issue only affects non-standard configurations of PrivateBin. Instances are affected if all of the following conditions are met:\n1. The PrivateBin instance enables URL shortening.\n2. A YOURLs URL shortener is used and it is configured not to be public and require authentication to shorten URLs.\n3. A basepath, the YOURLs proxy mechanism and an authentication token is  configured in PrivateBin to use the non-public YOURLs instance.\n4. 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The vulnerability allowed other URLs to be shortened, as long as they contain the PrivateBin instance, defeating the limit imposed by the proxy.\n\nNeither the confidentially of existing pastes on the server nor the configuration options including the YOURLs token are affected.\n\n### Impact\n\nThis issue only affects non-standard configurations of PrivateBin. Instances are affected if all of the following conditions are met:\n1. The PrivateBin instance enables URL shortening.\n2. A YOURLs URL shortener is used and it is configured not to be public and require authentication to shorten URLs.\n3. A basepath, the YOURLs proxy mechanism and an authentication token is  configured in PrivateBin to use the non-public YOURLs instance.\n4. 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