{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-72856 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-72856 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-72856 is a high-severity authentication bypass vulnerability in budibase, published on 13 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-72856 and fix it if it is affected.\n\nWhat it is: CVE-2026-72856 is a high-severity authentication bypass vulnerability in budibase, published on 13 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-72856 in the wild and no public exploit code.\n\nAffected product: budibase. 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-2026-72856/ (Markdown: https://insights.sbomify.com/CVE-2026-72856/index.md)","id":"CVE-2026-72856","markdown":"https://insights.sbomify.com/CVE-2026-72856/index.md","name":"CVE-2026-72856","record":{"aliases":["GHSA-796c-884r-78pp","GHSA-j82g-67x3-xcwh"],"analysis":{"component_type":"web_application","fix_type":"upgrade","impacts":["account_takeover","privilege_escalation"],"network_reachable":"yes","non_default_config":true,"product_category":"Budibase low-code platform","requires_auth":"low_privilege","summary":"Authenticated users on self-hosted Budibase instances can bypass authorization to change the admin email, enabling full administrative account takeover via password reset.","user_interaction":"not_required","vuln_class":"auth_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"VulnCheck","cpe":[],"cvss":{"score":8.6,"severity":"high","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-640","name":"Weak Password Recovery Mechanism for Forgotten Password"}],"description":"Budibase versions before 3.40.0 contain an authorization/authentication bypass in the PUT /api/global/users/tenant/owner (changeTenantOwnerEmail) endpoint. On self-hosted instances (SELF_HOSTED or DISABLE_ACCOUNT_PORTAL set), the cloudRestricted middleware is a no-op and the route is protected only by a general authentication check, so any authenticated user — including a lowest-privilege BASIC app user — can reassign the tenant account-holder (top-privilege admin) email to an attacker-controlled address. The attacker can then use the public password-reset flow to take over the admin account, leading to full administrative access.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":false,"headline":"Budibase before 3.40.0 Authentication Bypass via Tenant Owner Email","id":"CVE-2026-72856","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"auth_bypass","year":"2026"},"n_packages":0,"n_references":2,"next":{"headline":"Budibase before 3.40.0 Credential Exposure via STRING Fields","id":"CVE-2026-72857"},"packages":[],"prev":{"headline":"Budibase before 3.40.0 DNS Rebinding SSRF via OpenAPI and REST","id":"CVE-2026-72855"},"products":["budibase"],"published":"2026-08-13","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":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-08-17","vendors":["Budibase"]},"summary":"Authenticated users on self-hosted Budibase instances can bypass authorization to change the admin email, enabling full administrative account takeover via password reset.","url":"https://insights.sbomify.com/CVE-2026-72856/"}