{"answers":{"affected":"","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111704 exists.","fix":"No fix has been published for CVE-2026-111704 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-111704 is a critical missing authorization vulnerability in langchat, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-111704 and fix it if it is affected.\n\nWhat it is: CVE-2026-111704 is a critical missing authorization vulnerability in langchat, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111704 exists.\n\nAffected product: langchat. No package-level version data is available, so check the vendor advisory linked from the reference page.\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-2026-111704/ (Markdown: https://insights.sbomify.com/CVE-2026-111704/index.md)","id":"CVE-2026-111704","markdown":"https://insights.sbomify.com/CVE-2026-111704/index.md","name":"CVE-2026-111704","record":{"aliases":["GHSA-hgqj-chvw-c4p5"],"analysis":{"component_type":"web_application","fix_type":"patch","impacts":["data_read","privilege_escalation"],"network_reachable":"yes","non_default_config":false,"product_category":"LangChat web application","requires_auth":"none","summary":"Unauthenticated attackers can access REST APIs to read plaintext passwords, steal API keys, and create super-admin accounts in LangChat.","user_interaction":"not_required","vuln_class":"missing_authorization"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"VulnCheck","cpe":[],"cvss":{"score":9.3,"severity":"critical","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-306","name":"Missing Authentication for Critical Functionality"}],"description":"LangChat through commit 2a6285a contains a missing authentication vulnerability that allows unauthenticated remote attackers to access REST controllers because no Sa-Token interceptor is registered. Attackers can query /api/v1/auth/users to read plaintext passwords, retrieve LLM provider API keys, create super-admin accounts, and modify or delete data.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":false,"headline":"LangChat through commit 2a6285a Missing Authentication on REST API Controllers","id":"CVE-2026-111704","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"missing_authorization","year":"2026"},"n_packages":0,"n_references":5,"next":{"headline":"Fuint through commit 57ec018 IDOR via bookId in myBookDetail","id":"CVE-2026-111705"},"packages":[],"prev":{"headline":"yshop-crm through 2.1.3 IDOR via CRM customer by-id endpoints","id":"CVE-2026-111703"},"products":["langchat"],"published":"2026-10-16","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"poc","technical_impact":"total"},"state":"PUBLISHED","updated":"2026-10-21","vendors":["LangChat"]},"summary":"Unauthenticated attackers can access REST APIs to read plaintext passwords, steal API keys, and create super-admin accounts in LangChat.","url":"https://insights.sbomify.com/CVE-2026-111704/"}