{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-19816 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2026-19816 is a high-severity vulnerability in Fedora, published on 14 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-19816 and fix it if it is affected.\n\nWhat it is: CVE-2026-19816 is a high-severity vulnerability in Fedora, published on 14 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-19816 in the wild and no public exploit code.\n\nAffected product: Fedora. 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-2026-19816/ (Markdown: https://insights.sbomify.com/CVE-2026-19816/index.md)","id":"CVE-2026-19816","markdown":"https://insights.sbomify.com/CVE-2026-19816/index.md","name":"CVE-2026-19816","record":{"aliases":["DEBIAN-CVE-2026-19816","GHSA-g5gf-h68q-gxc8","openSUSE-SU-2026:11855-1"],"analysis":{"component_type":"operating_system","fix_type":"patch","impacts":["privilege_escalation","data_modify"],"network_reachable":"adjacent_or_local","non_default_config":true,"product_category":"PackageKit dnf5 backend","requires_auth":"low_privilege","summary":"An unprivileged local user can bypass simulation checks to perform real package uninstalls in systems using PackageKit with the dnf5 backend.","user_interaction":"not_required","vuln_class":"security_feature_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"fedora","cpe":[],"cvss":{"score":7.1,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-863","name":"Incorrect Authorization"}],"description":"A flaw was found in PackageKit. PackageKit skips the polkit authorization check for transactions carrying the SIMULATE (dry-run) flag. In the dnf5 backend, the RepoRemove handler ignores that contract and always executes the real transaction because its guard is written as (role == REPO_REMOVE || !SIMULATE), which is always true for RepoRemove. An unprivileged local user can therefore perform a genuine package uninstall while claiming to simulate. This vulnerability only affects systems using PackageKit with the dnf5 backend.","ecosystems":["openSUSE:Tumbleweed"],"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":"PackageKit: dnf5 backend ignores SIMULATE on RepoRemove","id":"CVE-2026-19816","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"security_feature_bypass","year":"2026"},"n_packages":1,"n_references":3,"next":{"headline":"Backblaze Client for Windows Improper Link Resolution Vulnerability","id":"CVE-2026-19820"},"packages":[{"ecosystem":"openSUSE:Tumbleweed","fixed":["1.4.0-1.1"],"introduced":["0"],"last_affected":[],"package":"PackageKit","purl":"pkg:rpm/opensuse/PackageKit\u0026distro=openSUSE%20Tumbleweed","source":"openSUSE-SU-2026:11855-1"}],"prev":{"headline":"TOTOLINK A800R firewall.so cstecgi.cgi setParentalRules stack-based overflow","id":"CVE-2026-19815"},"products":["Fedora","Red Hat Enterprise Linux 10","Red Hat Enterprise Linux 6","Red Hat Enterprise Linux 7","Red Hat Enterprise Linux 8","Red Hat Enterprise Linux 9"],"published":"2026-09-14","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"SUSE","prefix":"openSUSE"},{"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":"2026-09-15","vendors":["Fedora","Red Hat"]},"summary":"An unprivileged local user can bypass simulation checks to perform real package uninstalls in systems using PackageKit with the dnf5 backend.","url":"https://insights.sbomify.com/CVE-2026-19816/"}