{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-27664 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-27664 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-27664 is a high-severity memory corruption vulnerability in Siemens CPCI85 Central Processing/Communication, published on 26 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-27664 and fix it if it is affected.\n\nWhat it is: CVE-2026-27664 is a high-severity memory corruption vulnerability in Siemens CPCI85 Central Processing/Communication, published on 26 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-27664 in the wild and no public exploit code.\n\nAffected product: Siemens CPCI85 Central Processing/Communication. 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-2026-27664/ (Markdown: https://insights.sbomify.com/CVE-2026-27664/index.md)","id":"CVE-2026-27664","markdown":"https://insights.sbomify.com/CVE-2026-27664/index.md","name":"CVE-2026-27664","record":{"aliases":["GHSA-4m3q-v5m4-mc2x"],"analysis":{"component_type":"ics_ot","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Siemens CPCI85/SICORE","requires_auth":"none","summary":"An unauthenticated attacker can cause a denial-of-service condition in Siemens CPCI85 and SICORE systems by sending malicious XML requests that trigger an out-of-bounds write.","user_interaction":"not_required","vuln_class":"memory_corruption"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"siemens","cpe":[],"cvss":{"score":8.7,"severity":"high","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-787","name":"Out-of-bounds Write"}],"description":"A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions \u003c V26.10), SICORE Base system (All versions \u003c V26.10.0). The affected application contains an out-of-bounds write vulnerability while parsing specially crafted XML inputs. This could allow an unauthenticated attacker to exploit this issue by sending a malicious XML request, which may cause the service to crash, resulting in a denial-of-service condition.","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":"Memory corruption in CPCI85 Central Processing/Communication","id":"CVE-2026-27664","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"memory_corruption","year":"2026"},"n_packages":0,"n_references":1,"next":{"headline":"A vulnerability has been identified in RUGGEDCOM CROSSBOW Secure Access Manager Primary (SAM-P) (All versions \u003c V5.8).","id":"CVE-2026-27668"},"packages":[],"prev":{"headline":"Denial of service in CPCI85 Central Processing/Communication","id":"CVE-2026-27663"},"products":["CPCI85 Central Processing/Communication","SICORE Base system"],"published":"2026-03-26","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":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-04-14","vendors":["Siemens"]},"summary":"An unauthenticated attacker can cause a denial-of-service condition in Siemens CPCI85 and SICORE systems by sending malicious XML requests that trigger an out-of-bounds write.","url":"https://insights.sbomify.com/CVE-2026-27664/"}