EUVD-2026-52012
GHSA-v9mp-gj7h-85r3
Severity by source
CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Adjacent vector and high complexity from CVSS 4.0 source; no privileges or interaction required; scope unchanged as SC:N/SI:N/SA:N in 4.0 vector.
Primary rating from Vendor (f98c90f0-e9bd-4fa7-911b-51993f3571fd).
CVSS VectorVendor: f98c90f0-e9bd-4fa7-911b-51993f3571fd
CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
2DescriptionCVE.org
A deserialization vulnerability in PRISMAproduction Version 6.5 or earlier that may lead to arbitrary code execution.
AnalysisAI
Deserialization of untrusted data in Canon PRISMAproduction version 6.5 and earlier enables adjacent-network attackers to achieve arbitrary code execution without credentials. The CVSS 4.0 vector (AV:A/AC:H/PR:N) indicates exploitation requires physical or logical network adjacency and elevated attack complexity, but successful exploitation yields full confidentiality, integrity, and availability compromise of the host. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to be on the same network segment or subnet as the PRISMAproduction server (AV:A - not exploitable from the public internet without prior network access). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 7.7 with vector AV:A/AC:H/PR:N/UI:N/VC:H/VI:H/VA:H reflects a meaningful but operationally constrained risk. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker with access to the same network segment as a PRISMAproduction 6.5 server - for example, a compromised workstation in a commercial printing facility's production LAN or an external vendor with VPN access - crafts a malicious serialized object payload targeting the vulnerable deserialization endpoint. After satisfying the high-complexity exploitation conditions (likely specific protocol framing or format knowledge), the attacker submits the payload, which is deserialized server-side and executes arbitrary OS-level commands under the process account running PRISMAproduction. … |
| Remediation | Consult the Canon PSIRT advisory at https://psirt.canon/advisory-information/cp2026-007/ and the US Canon customer notice at https://www.usa.canon.com/about-us/to-our-customers/cpa2026-007-vulnerability-in-prismaproduction for vendor-confirmed patch guidance. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Within 24 hours, identify all Canon PRISMAproduction deployments and assess production criticality. …
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Same weakness CWE-502 – Deserialization of Untrusted Data
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External POC / Exploit Code
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