{"answers":{"affected":"","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-77159 exists.","fix":"Apply the vendor's patch.","what":"CVE-2026-77159 is a medium-severity path traversal vulnerability in Red Hat Enterprise Linux 10, published on 11 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-2026-77159 and fix it if it is affected.\n\nWhat it is: CVE-2026-77159 is a medium-severity path traversal vulnerability in Red Hat Enterprise Linux 10, published on 11 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-77159 exists.\n\nAffected product: Red Hat Enterprise Linux 10. 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-2026-77159/ (Markdown: https://insights.sbomify.com/CVE-2026-77159/index.md)","id":"CVE-2026-77159","markdown":"https://insights.sbomify.com/CVE-2026-77159/index.md","name":"CVE-2026-77159","record":{"aliases":["AZL-101739","BELL-CVE-2026-77159","DEBIAN-CVE-2026-77159","GHSA-wmhq-5pq5-8474","OESA-2026-4059","UBUNTU-CVE-2026-77159"],"analysis":{"component_type":"operating_system","fix_type":"patch","impacts":["privilege_escalation","data_modify"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Libvirt virtualization","requires_auth":"low_privilege","summary":"A local attacker can exploit a symlink flaw in libvirt's TPM emulator to change ownership of arbitrary files, potentially leading to privilege escalation.","user_interaction":"not_required","vuln_class":"path_traversal"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"redhat","cpe":[],"cvss":{"score":5.5,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","version":"3.1"},"cwes":[{"id":"CWE-61","name":"UNIX Symbolic Link (Symlink) Following"}],"description":"A symlink-following flaw was found in libvirt's qemuTPMEmulatorPrepareHost() function. The function uses a path-based chown() on the swtpm logfile without checking for symbolic links. A local attacker with access to the swtpm account can replace the logfile with a symlink, causing libvirtd (running as root) to transfer ownership of an arbitrary file to the swtpm user.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":true,"headline":"Libvirt: unsafe chown in qemutpmemulatorpreparehost() allows arbitrary file ownership change via symlink","id":"CVE-2026-77159","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"path_traversal","year":"2026"},"n_packages":0,"n_references":3,"next":{"headline":"Smart Marketing SMS and Newsletters Forms \u003c= 5.1.24 - Authenticated (Subscriber+) SQL Injection via Parameter Name","id":"CVE-2026-77161"},"packages":[],"prev":{"headline":"ast-cli: Auto-update downloads are not verified against a checksum before execution","id":"CVE-2026-77157"},"products":["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":"2026-09-11","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":"poc","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-09-15","vendors":["Red Hat"]},"summary":"A local attacker can exploit a symlink flaw in libvirt's TPM emulator to change ownership of arbitrary files, potentially leading to privilege escalation.","url":"https://insights.sbomify.com/CVE-2026-77159/"}