キヤノン製プロダクションプリンター、オフィス/スモールオフィス向け複合機における機微な情報を取得可能な脆弱性
Summary
Vulnerability reported (CVE-2026-1789). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
キヤノン株式会社が提供するプロダクションプリンター、オフィス/スモールオフィス向け複合機には、次の脆弱性が存在します。セキュリティに関する判断において信頼できない入力値への依存（CWE-807） - CVE-2026-1789この脆弱性情報は、製品利用者への周知を目的に、開発者がJPCERT/CCに報告し、JPCERT/CCが開発者との調整を行いました。
Source: JVN (Japan Vulnerability Notes) NVD
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-1789 has been found.
Risk of unauthorized operations or information disclosure.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "CVE-2026-1789" on the vendor's site.
CVE-2026-1789
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (unclassified) has been reported.
Check the vendor advisory for the affected versions.
Severity: ?. Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで影響コンポーネントを特定する。
-
2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。