{"id":"CVE-2026-85673","aliases":["EUVD-2026-71129","GHSA-8g7q-h2wm-q974"],"status":"published","title":"LLaMA-Factory SSRF Guard Bypass via Redirect and DNS Rebinding","description":"LLaMA-Factory contains a server-side request forgery vulnerability in the OpenAI-compatible API multimodal media URL handler that allows unauthenticated attackers to bypass SSRF validation. The check_ssrf_url guard validates URLs once but requests.get follows redirects and re-resolves DNS without re-validation, enabling attackers to use HTTP redirects or DNS rebinding to access internal addresses and cloud metadata endpoints.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00507,"percentile":0.43544,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2026-09-04T14:32:27Z","modified":"2026-10-28T02:31:07Z","products":[{"vendor":"hiyouga","product":"llamafactory"}],"references":[{"url":"https://github.com/hiyouga/LlamaFactory/issues/10646","tags":["issue-tracking","exploit","report"]},{"url":"https://github.com/hiyouga/LlamaFactory","tags":["product","package"]},{"url":"https://github.com/hiyouga/LlamaFactory/blob/v0.9.5/src/llamafactory/api/chat.py","tags":["technical-description","article"]},{"url":"https://github.com/hiyouga/LlamaFactory/blob/v0.9.5/src/llamafactory/api/common.py","tags":["technical-description","article"]},{"url":"https://www.vulncheck.com/advisories/llama-factory-ssrf-guard-bypass-via-redirect-and-dns-rebinding","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-85673","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8g7q-h2wm-q974"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85673.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-85673","title":"LLaMA-Factory SSRF Guard Bypass via Redirect and DNS Rebinding","description":"LLaMA-Factory contains a server-side request forgery vulnerability in the OpenAI-compatible API multimodal media URL handler that allows unauthenticated attackers to bypass SSRF validation. 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The check_ssrf_url guard validates URLs once but requests.get follows redirects and re-resolves DNS without re-validation, enabling attackers to use HTTP redirects or DNS rebinding to access internal addresses and cloud metadata endpoints.","status":"published","published":"2026-09-04T14:32:27Z","modified":"2026-09-04T15:19:48Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:01:12.302717Z"}],"ghsa":[{"id":"GHSA-8g7q-h2wm-q974","title":"LLaMA-Factory contains a server-side request forgery vulnerability in the OpenAI-compatible API...","description":"LLaMA-Factory contains a server-side request forgery vulnerability in the OpenAI-compatible API multimodal media URL handler that allows unauthenticated attackers to bypass SSRF validation. The check_ssrf_url guard validates URLs once but requests.get follows redirects and re-resolves DNS without re-validation, enabling attackers to use HTTP redirects or DNS rebinding to access internal addresses and cloud metadata endpoints.","status":"published","published":"2026-09-04T15:36:15Z","modified":"2026-09-04T15:36:24Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:11:22.550434Z"}],"nvd":[{"id":"CVE-2026-85673","description":"LLaMA-Factory contains a server-side request forgery vulnerability in the OpenAI-compatible API multimodal media URL handler that allows unauthenticated attackers to bypass SSRF validation. 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The check_ssrf_url guard validates URLs once but requests.get follows redirects and re-resolves DNS without re-validation, enabling attackers to use HTTP redirects or DNS rebinding to access internal addresses and cloud metadata endpoints.","status":"published","published":"2026-09-04T14:32:27.487Z","modified":"2026-10-28T02:31:07.534021321Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:45:18.825071Z"}]}}