JVNDB-2026-015132

Canon Production Printers and Office Multifunction Printers vulnerable to information disclosure

Canon Production Printers and Office Multifunction Printers contain the following vulnerability.

• Reliance on untrusted inputs in a security decision (CWE-807) - CVE-2026-1789

Canon Inc. reported this vulnerability to JPCERT/CC to notify users of its solution through JVN.

Canon Inc.

• (multiple product)

For details on the affected products and versions, refer to the vendor's advisory.

If an attacker with administrative privileges sends a specially crafted request, sensitive information within the product may be obtained.

[Update the firmware]
Update the firmware to the latest version according to the information provided by the developer.

[Apply the Workaround]
Apply the following workarounds to prevent access from untrusted entities:

• Use the product within a network protected by a firewall.
• Configure the product to use a private IP address.

Canon Inc.

• Canon Europe : CPE2026-003 - Vulnerability Mitigation/Remediation for Production Printers and Office Multifunction Printers
• Canon Inc. : CP2026-003 Vulnerability Mitigation/Remediation for Production Printers and Office Multifunction Printers
• Canon USA : CPA2026-003: Vulnerability Mitigation/Remediation for Production Printers and Office Multifunction Printers

1. Reliance on Untrusted Inputs in a Security Decision(CWE-807) [Other]

1. CVE-2026-1789

1. JVN : JVNVU#90878203

• [2026/05/12]
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