CVE-2026-34910（ui unifi os server）の深刻度・悪用状況・対象バージョン
10.0 緊急（CVSS 3.x） 悪用確認済み（CISA KEV） EPSS 取得中…
概要
A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection.
実際の攻撃で悪用されています。 CISA KEV への追加日: 2026-06-23。対象製品を使っている場合は最優先で対策してください。
CISA の要求対応: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CISA の要求対応: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
影響を受ける製品
| ベンダー | 製品 | 対象バージョン |
|---|---|---|
| ui | unifi_os_server | < 5.0.8 |
| ui | unifi_cloud_gateway_industrial_firmware | < 5.1.12 |
| ui | unifi_dream_machine_firmware | < 5.1.12 |
| ui | unifi_dream_machine_pro_firmware | < 5.1.12 |
| ui | unifi_dream_machine_special_edition_firmware | < 5.1.12 |
| ui | unifi_dream_machine_pro_max_firmware | < 5.1.12 |
| ui | enterprise_fortress_gateway_firmware | < 5.1.12 |
| ui | unifi_dream_wall_firmware | < 5.1.12 |
| ui | unifi_dream_router_firmware | < 5.1.12 |
| ui | unifi_dream_router_7_firmware | < 5.1.12 |
| ui | unifi_express_7_firmware | < 5.1.12 |
| ui | unifi_network_video_recorder_firmware | < 5.1.12 |
| ui | unifi_network_video_recorder_pro_firmware | < 5.1.12 |
| ui | unifi_network_video_recorder_instant_firmware | < 5.1.12 |
| ui | enterprise_network_video_recorder_firmware | < 5.1.12 |
基本情報
- 公開日
- 2026-05-22
- 最終更新
- 2026-07-23
- NVD の状態
- Analyzed
- 弱点の種類
- CWE-20
対策の進め方
- 上の表で、使っている製品とバージョンが対象か確認します。
- ベンダーの公式アドバイザリ（下の参考情報の「Vendor Advisory」「Patch」）で修正版・回避策を確認します。
- 悪用が確認されているため、パッチ適用までの間もアクセス制限・侵害の痕跡確認を検討します。
- 日本語の情報は JVN iPedia で CVE-2026-34910 を検索 できます。
参考情報
- https://community.ui.com/releases/Security-Advisory-Bulletin-064-064/84811c09-4cf4-42ab-bd61-cc994445963b PatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34910 US Government Resource
- https://www.pwndefend.com/2026/06/09/cve-2026-34910-exploitation-itw-building-a-botnet-mirai/ ExploitThird Party Advisory
- NVD: CVE-2026-34910
- CVE.org: CVE-2026-34910
データ出典: NIST NVD、CISA KEV、FIRST EPSS。翻訳は参考情報で、正確性は原文を優先してください。