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Description

A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.10), SICORE Base system (All versions < 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.

PUBLISHED Reserved 2026-02-23 | Published 2026-03-26 | Updated 2026-04-14 | Assigner siemens




HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-787: Out-of-bounds Write

Product status

Default status
unknown

Any version before V26.10
affected

Default status
unknown

Any version before V26.10.0
affected

References

seclists.org/fulldisclosure/2026/Apr/7

cert-portal.siemens.com/productcert/html/ssa-246443.html

cve.org (CVE-2026-27664)

nvd.nist.gov (CVE-2026-27664)

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