{"answers":{"affected":"3 open source packages ship an affected version, including open-webui. It affects 1 product.","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-45365 exists.","fix":"Upgrade open-webui to 0.8.11 or later.","what":"CVE-2026-45365 is a medium-severity missing authorization vulnerability in Openwebui Open Webui, published on 15 May 2026. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-45365 and fix it if it is affected.\n\nWhat it is: CVE-2026-45365 is a medium-severity missing authorization vulnerability in Openwebui Open Webui, published on 15 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-45365 exists.\n\nAffected packages and fixed versions:\n- open-webui (PyPI): affected all versions; fixed in 0.8.11\n- open-webui (PyPI): affected all versions; fixed in 0.8.11\n- open-webui (PyPI): affected all versions; fixed in 0.8.11\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-45365/ (Markdown: https://insights.sbomify.com/CVE-2026-45365/index.md)","id":"CVE-2026-45365","markdown":"https://insights.sbomify.com/CVE-2026-45365/index.md","name":"CVE-2026-45365","record":{"aliases":["GHSA-v6qf-75pr-p96m","PYSEC-2026-2758"],"analysis":{"component_type":"web_application","fix_type":"upgrade","impacts":["privilege_escalation","data_read"],"network_reachable":"yes","non_default_config":false,"product_category":"AI platform","requires_auth":"low_privilege","summary":"Authenticated users can bypass model access controls by adding a query parameter to invoke admin-restricted models in Open WebUI.","user_interaction":"not_required","vuln_class":"missing_authorization"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[{"product":"open_webui","vendor":"openwebui"}],"cvss":{"score":5.4,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"cwes":[{"id":"CWE-285","name":"Improper Authorization"}],"description":"Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.11, an internal-only bypass_filter parameter is exposed on the /openai/chat/completions and /ollama/api/chat HTTP endpoints via FastAPI query string binding, allowing any authenticated user to append ?bypass_filter=true and bypass model access control checks to invoke admin-restricted models. This vulnerability is fixed in 0.8.11.","ecosystems":["PyPI"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":true,"headline":"Open WebUI: Authenticated users can bypass model access control via exposed query parameter","id":"CVE-2026-45365","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"PyPI","product":"openwebui:open_webui","products":["openwebui:open_webui"],"type":"missing_authorization","year":"2026"},"n_packages":3,"n_references":1,"next":{"headline":"typescript-utcp: SSRF via attacker-controlled OpenAPI servers[0].url in HTTP communication protocol","id":"CVE-2026-45366"},"packages":[{"ecosystem":"PyPI","fixed":["0.8.11"],"introduced":["0"],"last_affected":[],"package":"open-webui","purl":null,"source":"GHSA-v6qf-75pr-p96m"},{"ecosystem":"PyPI","fixed":["0.8.11"],"introduced":["0"],"last_affected":[],"package":"open-webui","purl":"pkg:pypi/open-webui","source":"GHSA-v6qf-75pr-p96m"},{"ecosystem":"PyPI","fixed":["0.8.11"],"introduced":["0"],"last_affected":[],"package":"open-webui","purl":"pkg:pypi/open-webui","source":"PYSEC-2026-2758"}],"prev":{"headline":"Better Auth: Rate limiter keys IPv6 addresses individually and is bypassable via prefix rotation","id":"CVE-2026-45364"},"products":["open-webui"],"published":"2026-05-15","related":[{"cvss_score":9.1,"headline":"Open WebUI: LDAP Empty Password Authentication Bypass","id":"CVE-2026-44551","kev_date_added":null,"published":"2026-05-15"},{"cvss_score":9,"headline":"open-webui - Remote Code Execution via CORS Misconfiguration and Session Validation","id":"CVE-2026-56400","kev_date_added":null,"published":"2026-07-15"},{"cvss_score":9,"headline":"Cross-site Scripting (XSS) in open-webui/open-webui","id":"CVE-2024-8017","kev_date_added":null,"published":"2025-03-20"},{"cvss_score":8.8,"headline":"Open WebUI: Jupyter code execution works despite `ENABLE_CODE_EXECUTION=false` — feature gate bypassed","id":"CVE-2026-45672","kev_date_added":null,"published":"2026-05-15"},{"cvss_score":8.7,"headline":"Open WebUI: Same-origin XSS to account takeover via terminal port-preview iframe hardcoding allow-same-origin","id":"CVE-2026-87995","kev_date_added":null,"published":"2026-09-09"},{"cvss_score":8.7,"headline":"Open WebUI: Stored XSS via unescaped KaTeX render-error fallback in rendered messages","id":"CVE-2026-70492","kev_date_added":null,"published":"2026-08-04"},{"cvss_score":8.7,"headline":"Open WebUI: Stored XSS in Mermaid Markdown Preview","id":"CVE-2026-54011","kev_date_added":null,"published":"2026-06-23"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"class":"attribution","licence":"CC BY 4.0","name":"PyPA Advisory Database","prefix":"PYSEC"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"poc","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-05-19","vendors":["open-webui"]},"summary":"Authenticated users can bypass model access controls by adding a query parameter to invoke admin-restricted models in Open WebUI.","url":"https://insights.sbomify.com/CVE-2026-45365/"}