{"answers":{"affected":"7 open source packages ship an affected version, including neutron.","exploited":"There is no known exploitation of CVE-2026-49299 in the wild and no public exploit code.","fix":"Upgrade neutron to a fixed version for your release line: 26.0.4, 27.0.3 or 28.0.1.","what":"CVE-2026-49299 is a medium-severity missing authorization vulnerability in OpenStack Neutron, published on 28 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-2026-49299 and fix it if it is affected.\n\nWhat it is: CVE-2026-49299 is a medium-severity missing authorization vulnerability in OpenStack Neutron, published on 28 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-2026-49299 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- neutron (PyPI): affected from 26.0.0; fixed in 26.0.4, 27.0.3, 28.0.1\n- neutron (PyPI): affected from 26.0.0; fixed in 26.0.4\n- neutron (PyPI): affected from 26.0.0; fixed in 26.0.4\n- neutron (PyPI): affected from 27.0.0; fixed in 27.0.3\n- neutron (PyPI): affected from 27.0.0; fixed in 27.0.3\n- neutron (PyPI): affected from 28.0.0; fixed in 28.0.1\n- neutron (PyPI): affected from 28.0.0; fixed in 28.0.1\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-2026-49299/ (Markdown: https://insights.sbomify.com/CVE-2026-49299/index.md)","id":"CVE-2026-49299","markdown":"https://insights.sbomify.com/CVE-2026-49299/index.md","name":"CVE-2026-49299","record":{"aliases":["DEBIAN-CVE-2026-49299","GHSA-xv24-hxh9-2hh9","PYSEC-2026-2678","UBUNTU-CVE-2026-49299"],"analysis":{"component_type":"cloud_service","fix_type":"upgrade","impacts":["data_modify"],"network_reachable":"yes","non_default_config":false,"product_category":"OpenStack Neutron","requires_auth":"low_privilege","summary":"A policy mismatch in OpenStack Neutron allows project readers to modify tags on resources, bypassing intended authorization restrictions.","user_interaction":"not_required","vuln_class":"missing_authorization"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"mitre","cpe":[],"cvss":{"score":5.3,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-863","name":"Incorrect Authorization"}],"description":"In OpenStack Neutron before 28.0.1, the tagging controller enforces plural policy action names on single-tag write operations while the defined policy rules use singular names. The mismatched names evaluate as allowed under the default policy, permitting a project reader to create and update tags on same-project resources. Deployments running Neutron 26.0.0 or later are affected.","ecosystems":["PyPI"],"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":"OpenStack Neutron has an Incorrect Authorization issue","id":"CVE-2026-49299","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"PyPI","product":null,"products":[],"type":"missing_authorization","year":"2026"},"n_packages":7,"n_references":3,"next":{"headline":"Information disclosure in EMUI","id":"CVE-2026-49301"},"packages":[{"ecosystem":"PyPI","fixed":["26.0.4","27.0.3","28.0.1"],"introduced":["26.0.0","27.0.0","28.0.0"],"last_affected":[],"package":"neutron","purl":"pkg:pypi/neutron","source":"PYSEC-2026-2678"},{"ecosystem":"PyPI","fixed":["26.0.4"],"introduced":["26.0.0"],"last_affected":[],"package":"neutron","purl":null,"source":"GHSA-xv24-hxh9-2hh9"},{"ecosystem":"PyPI","fixed":["26.0.4"],"introduced":["26.0.0"],"last_affected":[],"package":"neutron","purl":"pkg:pypi/neutron","source":"GHSA-xv24-hxh9-2hh9"},{"ecosystem":"PyPI","fixed":["27.0.3"],"introduced":["27.0.0"],"last_affected":[],"package":"neutron","purl":null,"source":"GHSA-xv24-hxh9-2hh9"},{"ecosystem":"PyPI","fixed":["27.0.3"],"introduced":["27.0.0"],"last_affected":[],"package":"neutron","purl":"pkg:pypi/neutron","source":"GHSA-xv24-hxh9-2hh9"},{"ecosystem":"PyPI","fixed":["28.0.1"],"introduced":["28.0.0"],"last_affected":[],"package":"neutron","purl":null,"source":"GHSA-xv24-hxh9-2hh9"},{"ecosystem":"PyPI","fixed":["28.0.1"],"introduced":["28.0.0"],"last_affected":[],"package":"neutron","purl":"pkg:pypi/neutron","source":"GHSA-xv24-hxh9-2hh9"}],"prev":{"headline":"Apache Airflow: JWT Token Exposure in KubernetesExecutor Command-Line Arguments","id":"CVE-2026-49298"},"products":["Neutron"],"published":"2026-05-28","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":"CC BY 4.0","name":"PyPA Advisory Database","prefix":"PYSEC"},{"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":"2026-06-02","vendors":["OpenStack"]},"summary":"A policy mismatch in OpenStack Neutron allows project readers to modify tags on resources, bypassing intended authorization restrictions.","url":"https://insights.sbomify.com/CVE-2026-49299/"}