{"answers":{"affected":"8 open source packages ship an affected version, including roadiz/openid.","exploited":"There is no known exploitation of CVE-2026-42206 in the wild and no public exploit code.","fix":"Upgrade roadiz/openid to a fixed version for your release line: 2.3.43, 2.5.45, 2.6.31 or 2.7.18.","what":"CVE-2026-42206 is a medium-severity authentication bypass vulnerability in roadiz core-bundle-dev-app, published on 8 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-2026-42206 and fix it if it is affected.\n\nWhat it is: CVE-2026-42206 is a medium-severity authentication bypass vulnerability in roadiz core-bundle-dev-app, published on 8 May 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-2026-42206 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- roadiz/openid (Packagist): affected all versions; fixed in 2.3.43\n- roadiz/openid (Packagist): affected all versions; fixed in 2.3.43\n- roadiz/openid (Packagist): affected from 2.5.0; fixed in 2.5.45\n- roadiz/openid (Packagist): affected from 2.5.0; fixed in 2.5.45\n- roadiz/openid (Packagist): affected from 2.6.0; fixed in 2.6.31\n- roadiz/openid (Packagist): affected from 2.6.0; fixed in 2.6.31\n- roadiz/openid (Packagist): affected from 2.7.0; fixed in 2.7.18\n- roadiz/openid (Packagist): affected from 2.7.0; fixed in 2.7.18\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-2026-42206/ (Markdown: https://insights.sbomify.com/CVE-2026-42206/index.md)","id":"CVE-2026-42206","markdown":"https://insights.sbomify.com/CVE-2026-42206/index.md","name":"CVE-2026-42206","record":{"aliases":["GHSA-3gx8-q682-38mx"],"analysis":{"component_type":"cms_plugin","fix_type":"upgrade","impacts":["account_takeover"],"network_reachable":"yes","non_default_config":false,"product_category":"Roadiz CMS","requires_auth":"low_privilege","summary":"Attackers can replay OpenID Connect ID tokens to bypass authentication and take over user accounts due to missing nonce validation.","user_interaction":"not_required","vuln_class":"auth_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[],"cvss":{"score":5.7,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P","version":"4.0"},"cwes":[{"id":"CWE-345","name":"Insufficient Verification of Data Authenticity"}],"description":"Roadiz is a polymorphic content management system based on a node system. Prior to versions 2.3.43, 2.5.45, 2.6.31, and 2.7.18, the roadiz/openid package generates an OIDC nonce in OAuth2LinkGenerator::generate() and includes it in the authorization request sent to the identity provider, but never stores it and never validates it on the callback. The OpenIdJwtConfigurationFactory validation chain does not include a nonce constraint, and OpenIdAuthenticator::authenticate() never checks the nonce claim in the returned ID token against a stored value. This issue has been patched in versions 2.3.43, 2.5.45, 2.6.31, and 2.7.18.","ecosystems":["Packagist"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"Roadiz OpenID Connect nonce generated but never validated — ID token replay attack","id":"CVE-2026-42206","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Packagist","product":null,"products":[],"type":"auth_bypass","year":"2026"},"n_packages":8,"n_references":1,"next":{"headline":"Magento LTS: Open Redirect via Unvalidated `uenc` Parameter in `stockAction()` - magento-lts","id":"CVE-2026-42207"},"packages":[{"ecosystem":"Packagist","fixed":["2.3.43"],"introduced":["0"],"last_affected":[],"package":"roadiz/openid","purl":null,"source":"GHSA-3gx8-q682-38mx"},{"ecosystem":"Packagist","fixed":["2.3.43"],"introduced":["0"],"last_affected":[],"package":"roadiz/openid","purl":"pkg:composer/roadiz/openid","source":"GHSA-3gx8-q682-38mx"},{"ecosystem":"Packagist","fixed":["2.5.45"],"introduced":["2.5.0"],"last_affected":[],"package":"roadiz/openid","purl":null,"source":"GHSA-3gx8-q682-38mx"},{"ecosystem":"Packagist","fixed":["2.5.45"],"introduced":["2.5.0"],"last_affected":[],"package":"roadiz/openid","purl":"pkg:composer/roadiz/openid","source":"GHSA-3gx8-q682-38mx"},{"ecosystem":"Packagist","fixed":["2.6.31"],"introduced":["2.6.0"],"last_affected":[],"package":"roadiz/openid","purl":null,"source":"GHSA-3gx8-q682-38mx"},{"ecosystem":"Packagist","fixed":["2.6.31"],"introduced":["2.6.0"],"last_affected":[],"package":"roadiz/openid","purl":"pkg:composer/roadiz/openid","source":"GHSA-3gx8-q682-38mx"},{"ecosystem":"Packagist","fixed":["2.7.18"],"introduced":["2.7.0"],"last_affected":[],"package":"roadiz/openid","purl":null,"source":"GHSA-3gx8-q682-38mx"},{"ecosystem":"Packagist","fixed":["2.7.18"],"introduced":["2.7.0"],"last_affected":[],"package":"roadiz/openid","purl":"pkg:composer/roadiz/openid","source":"GHSA-3gx8-q682-38mx"}],"prev":{"headline":"Avo: Broken Access Control: Unauthorized Execution of Arbitrary Action Classes Across Resources","id":"CVE-2026-42205"},"products":["core-bundle-dev-app"],"published":"2026-05-08","related":[],"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":"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":"2026-05-13","vendors":["roadiz"]},"summary":"Attackers can replay OpenID Connect ID tokens to bypass authentication and take over user accounts due to missing nonce validation.","url":"https://insights.sbomify.com/CVE-2026-42206/"}