{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-40531 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-40531 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-40531 is a medium-severity vulnerability in Synology DiskStation Manager (DSM), published on 18 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-40531 and fix it if it is affected.\n\nWhat it is: CVE-2026-40531 is a medium-severity vulnerability in Synology DiskStation Manager (DSM), published on 18 Sep 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-2026-40531 in the wild and no public exploit code.\n\nAffected product: Synology DiskStation Manager (DSM). 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-2026-40531/ (Markdown: https://insights.sbomify.com/CVE-2026-40531/index.md)","id":"CVE-2026-40531","markdown":"https://insights.sbomify.com/CVE-2026-40531/index.md","name":"CVE-2026-40531","record":{"aliases":["GHSA-hj3j-c7hh-gwq9"],"analysis":{"component_type":"operating_system","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Synology DSM","requires_auth":"low_privilege","summary":"Remote authenticated users can cause limited denial-of-service via integer overflow in Synology DSM file operations.","user_interaction":"not_required","vuln_class":"integer_overflow"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"synology","cpe":[],"cvss":{"score":4.3,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"cwes":[{"id":"CWE-190","name":"Integer Overflow or Wraparound"}],"description":"An integer overflow or wraparound vulnerability in File Operation in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated users to conduct limited denial-of-service attacks.","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":"Integer overflow in DiskStation Manager (DSM)","id":"CVE-2026-40531","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"integer_overflow","year":"2026"},"n_packages":0,"n_references":1,"next":{"headline":"Information disclosure in DiskStation Manager (DSM)","id":"CVE-2026-40532"},"packages":[],"prev":{"headline":"Other in DiskStation Manager (DSM)","id":"CVE-2026-40530"},"products":["DiskStation Manager (DSM)"],"published":"2026-09-18","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":"2026-09-18","vendors":["Synology"]},"summary":"Remote authenticated users can cause limited denial-of-service via integer overflow in Synology DSM file operations.","url":"https://insights.sbomify.com/CVE-2026-40531/"}