{"id":"CVE-2026-28677","aliases":["EUVD-2026-9988","GHSA-5jfc-p787-2mf9"],"status":"published","title":"OpenSift: Insufficient URL destination restrictions in ingest flow could enable SSRF-style internal access","description":"OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI. Prior to version 1.6.3-alpha, the URL ingest pipeline accepted user-controlled remote URLs with incomplete destination restrictions. Although private/local host checks existed, missing restrictions for credentialed URLs, non-standard ports, and cross-host redirects left SSRF-class abuse paths in non-localhost deployments. This issue has been patched in version 1.6.3-alpha.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00339,"percentile":0.27502,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2026-03-06T04:23:23Z","modified":"2026-08-28T11:47:23Z","products":[{"vendor":"opensift","product":"opensift"}],"references":[{"url":"https://github.com/OpenSift/OpenSift/security/advisories/GHSA-5jfc-p787-2mf9","tags":["x_refsource_CONFIRM","Patch","Vendor Advisory","advisory"]},{"url":"https://github.com/OpenSift/OpenSift/pull/67","tags":["x_refsource_MISC","Issue Tracking","Patch","fix"]},{"url":"https://github.com/OpenSift/OpenSift/commit/1126e0a503876056a68a434e19f64158a5a4840b","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/OpenSift/OpenSift/commit/de99b9c","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/OpenSift/OpenSift/releases/tag/v1.6.3-alpha","tags":["x_refsource_MISC","Release Notes","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28677.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28677","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-28677","title":"OpenSift: Insufficient URL destination restrictions in ingest flow could enable SSRF-style internal access","description":"OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI. Prior to version 1.6.3-alpha, the URL ingest pipeline accepted user-controlled remote URLs with incomplete destination restrictions. Although private/local host checks existed, missing restrictions for credentialed URLs, non-standard ports, and cross-host redirects left SSRF-class abuse paths in non-localhost deployments. This issue has been patched in version 1.6.3-alpha.","status":"published","published":"2026-03-06T04:23:23.695Z","modified":"2026-03-06T16:07:38.831Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:20:01.969981Z"}],"euvd":[{"id":"EUVD-2026-9988","description":"OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI. Prior to version 1.6.3-alpha, the URL ingest pipeline accepted user-controlled remote URLs with incomplete destination restrictions. Although private/local host checks existed, missing restrictions for credentialed URLs, non-standard ports, and cross-host redirects left SSRF-class abuse paths in non-localhost deployments. This issue has been patched in version 1.6.3-alpha.","status":"published","published":"2026-03-06T04:23:23Z","modified":"2026-03-06T16:07:38Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L","level":"high"}],"updated_at":"2026-11-02T19:48:07.686491Z"}],"nvd":[{"id":"CVE-2026-28677","description":"OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI. Prior to version 1.6.3-alpha, the URL ingest pipeline accepted user-controlled remote URLs with incomplete destination restrictions. Although private/local host checks existed, missing restrictions for credentialed URLs, non-standard ports, and cross-host redirects left SSRF-class abuse paths in non-localhost deployments. This issue has been patched in version 1.6.3-alpha.","status":"published","published":"2026-03-06T05:16:36.61Z","modified":"2026-06-17T10:28:52.877Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L","level":"high","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:12:08.279852Z"}],"osv":[{"id":"CVE-2026-28677","title":"OpenSift: Insufficient URL destination restrictions in ingest flow could enable SSRF-style internal access","description":"OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI. Prior to version 1.6.3-alpha, the URL ingest pipeline accepted user-controlled remote URLs with incomplete destination restrictions. Although private/local host checks existed, missing restrictions for credentialed URLs, non-standard ports, and cross-host redirects left SSRF-class abuse paths in non-localhost deployments. This issue has been patched in version 1.6.3-alpha.","status":"published","published":"2026-03-06T04:23:23.695Z","modified":"2026-08-28T11:47:23.95286972Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L","level":"high"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:45:00.530889Z"}]}}