{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-117859 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-117859 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-117859 is a medium-severity vulnerability in Red Hat Build of Keycloak, published on 29 Oct 2026."},"fix_prompt":"Check this codebase for CVE-2026-117859 and fix it if it is affected.\n\nWhat it is: CVE-2026-117859 is a medium-severity vulnerability in Red Hat Build of Keycloak, published on 29 Oct 2026. \nExploitation: There is no known exploitation of CVE-2026-117859 in the wild and no public exploit code.\n\nAffected product: Red Hat Build of Keycloak. 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-2026-117859/ (Markdown: https://insights.sbomify.com/CVE-2026-117859/index.md)","id":"CVE-2026-117859","markdown":"https://insights.sbomify.com/CVE-2026-117859/index.md","name":"CVE-2026-117859","record":{"aliases":["GHSA-3cf5-cf36-hfwx"],"analysis":null,"analysis_generated_by":null,"assigner":"redhat","cpe":[],"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-670","name":"Always-Incorrect Control Flow Implementation"}],"description":"A flaw was found in the Pushed Authorization Request PAR implementation of the keycloak-services component. The issue occurs when an authentication flow is restarted, which incorrectly clears the internal markers used to track PAR consumption while leaving the request active. This allows an attacker to reuse the same authorization request to obtain multiple access tokens, bypassing security requirements for single-use requests.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":null,"headline":"Keycloak-services: keycloak-services: par single-use bypass via flow restart","id":"CVE-2026-117859","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":null,"year":"2026"},"n_packages":0,"n_references":2,"next":{"headline":"Same-origin policy bypass in the DOM: Navigation component","id":"CVE-2026-117860"},"packages":[],"prev":{"headline":"Reserved in error; never associated with a vulnerability.","id":"CVE-2026-117858"},"products":["Red Hat Build of Keycloak","Red Hat Single Sign-On 7"],"published":"2026-10-29","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":"2026-10-29","vendors":["Red Hat"]},"summary":null,"url":"https://insights.sbomify.com/CVE-2026-117859/"}