+ RHSA-2026:50728 Important: ruby:3.3 security, bug fix, and enhancement update
https://access.redhat.com/errata/RHSA-2026:50728
CVE-2026-27820
CVE-2026-42256
CVE-2026-42257
CVE-2026-47240
CVE-2026-47241
CVE-2026-47242
+ RHSA-2026:50223 Important: Satellite 6.16.12 Async Update
https://access.redhat.com/errata/RHSA-2026:50223
CVE-2025-9230
CVE-2026-2332
CVE-2026-12515
CVE-2026-48526
CVE-2026-48864
CVE-2026-54059
CVE-2026-54060
CVE-2026-54297
CVE-2026-55379
CVE-2026-55380
CVE-2026-57236
CVE-2026-59197
+ RHSA-2026:49927 Moderate: fence-agents security update
https://access.redhat.com/errata/RHSA-2026:49927
CVE-2026-44431
+ RHSA-2026:49922 Important: thunderbird security update
https://access.redhat.com/errata/RHSA-2026:49922
CVE-2026-14899
CVE-2026-15718
CVE-2026-15719
CVE-2026-16349
CVE-2026-16350
CVE-2026-16351
CVE-2026-16352
CVE-2026-16353
CVE-2026-16354
CVE-2026-16355
CVE-2026-16356
CVE-2026-16357
CVE-2026-16358
CVE-2026-16359
CVE-2026-16360
CVE-2026-16361
CVE-2026-16362
CVE-2026-16363
CVE-2026-16368
CVE-2026-16369
CVE-2026-16371
CVE-2026-16374
CVE-2026-16375
CVE-2026-16377
CVE-2026-16379
CVE-2026-16381
CVE-2026-16383
CVE-2026-16387
CVE-2026-16390
CVE-2026-16391
CVE-2026-16396
CVE-2026-16405
CVE-2026-16412
+ RHSA-2026:49857 Moderate: kernel security, bug fix, and enhancement update
https://access.redhat.com/errata/RHSA-2026:49857
CVE-2026-52923
+ RHSA-2026:50828 Important: ruby:3.3 security, bug fix, and enhancement update
https://access.redhat.com/errata/RHSA-2026:50828
CVE-2026-27820
CVE-2026-42256
CVE-2026-42257
CVE-2026-47240
CVE-2026-47241
CVE-2026-47242
+ RHSA-2026:50827 Important: ruby:4.0 security, bug fix, and enhancement update
https://access.redhat.com/errata/RHSA-2026:50827
CVE-2026-27820
CVE-2026-42256
CVE-2026-42257
CVE-2026-47240
CVE-2026-47241
CVE-2026-47242
+ RHSA-2026:50817 Important: gimp security update
https://access.redhat.com/errata/RHSA-2026:50817
CVE-2026-42169
CVE-2026-66758
CVE-2026-66759
+ RHSA-2026:50263 Important: Satellite 6.18.8 Async Update
https://access.redhat.com/errata/RHSA-2026:50263
CVE-2025-9230
CVE-2026-2332
CVE-2026-12515
CVE-2026-48526
CVE-2026-54059
CVE-2026-54060
CVE-2026-54297
CVE-2026-55379
CVE-2026-55380
CVE-2026-57236
+ RHSA-2026:50223 Important: Satellite 6.16.12 Async Update
https://access.redhat.com/errata/RHSA-2026:50223
CVE-2025-9230
CVE-2026-2332
CVE-2026-12515
CVE-2026-48526
CVE-2026-48864
CVE-2026-54059
CVE-2026-54060
CVE-2026-54297
CVE-2026-55379
CVE-2026-55380
CVE-2026-57236
CVE-2026-59197
+ RHSA-2026:50222 Important: Satellite 6.17.10 Async Update
https://access.redhat.com/errata/RHSA-2026:50222
CVE-2025-9230
CVE-2026-2332
CVE-2026-12515
CVE-2026-48526
CVE-2026-54059
CVE-2026-54060
CVE-2026-54297
CVE-2026-55379
CVE-2026-55380
CVE-2026-57236
+ RHSA-2026:50221 Important: Satellite 6.19.3 Async Update
https://access.redhat.com/errata/RHSA-2026:50221
CVE-2026-2332
CVE-2026-12515
CVE-2026-54059
CVE-2026-54060
CVE-2026-54297
CVE-2026-55379
CVE-2026-55380
CVE-2026-57236
+ RHSA-2026:50108 Important: ldns security update
https://access.redhat.com/errata/RHSA-2026:50108
CVE-2026-10846
+ RHSA-2026:49921 Important: thunderbird security update
https://access.redhat.com/errata/RHSA-2026:49921
CVE-2026-14899
CVE-2026-15718
CVE-2026-15719
CVE-2026-16349
CVE-2026-16350
CVE-2026-16351
CVE-2026-16352
CVE-2026-16353
CVE-2026-16354
CVE-2026-16355
CVE-2026-16356
CVE-2026-16357
CVE-2026-16358
CVE-2026-16359
CVE-2026-16360
CVE-2026-16361
CVE-2026-16362
CVE-2026-16363
CVE-2026-16368
CVE-2026-16369
CVE-2026-16371
CVE-2026-16374
CVE-2026-16375
CVE-2026-16377
CVE-2026-16379
CVE-2026-16381
CVE-2026-16383
CVE-2026-16387
CVE-2026-16390
CVE-2026-16391
CVE-2026-16396
CVE-2026-16405
CVE-2026-16412
+ RHSA-2026:49838 Important: osbuild-composer security, bug fix, and enhancement update
https://access.redhat.com/errata/RHSA-2026:49838
CVE-2026-32280
CVE-2026-32281
+ Google Chrome 151.0.7922.75/.76 released
https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop.html
+ Mozilla Firefox 153.0.3 released
https://www.firefox.com/en-US/firefox/153.0.3/releasenotes/
+ Mozilla Thunderbird 153.0.2 released
https://www.thunderbird.net/en-US/thunderbird/153.0.2/releasenotes/
+ OpenSSLの脆弱性(Low: CVE-2026-54876)
https://security.sios.jp/vulnerability/openssl-security-vulnerability-20260806/
CVE-2026-54876
JVN#28045338 NetKids iMarkにおける複数の脆弱性
https://jvn.jp/jp/JVN28045338/index.html
JVNVU#92898025 CISA ICS Advisory / ICS Medical Advisory(2026年08月04日)
https://jvn.jp/vu/JVNVU92898025/index.html
JVNVU#92804348 ロボット掃除機DEEBOT PRO M1、DEEBOT PRO K1VACおよびスマートフォンアプリECOVACS PROにおける複数の脆弱性
https://jvn.jp/vu/JVNVU92804348/index.html
JVN#52865575 freo2におけるアップロードするファイルの検証が不十分な脆弱性
https://jvn.jp/jp/JVN52865575/index.html
ニュース&リポート
ニチレイの東西両センターで障害 不正アクセスの影響を避けられず
冷蔵倉庫の入出庫業務などに支障
https://xtech.nikkei.com/atcl/nxt/mag/nc/18/020800017/072801472/?ST=nxt_thmit_security
記者の眼
シャドーAIにとどまらない企業リスク、三菱電機は「見逃し」契機に体制強化
https://xtech.nikkei.com/atcl/nxt/column/18/00138/072302073/?ST=nxt_thmit_security
ニュース解説
企業秘密を出さずにAIを使う、日本発の「秘匿AI」基盤が本格始動
https://xtech.nikkei.com/atcl/nxt/column/18/00001/11948/?ST=nxt_thmit_security
中部電力で個人情報漏洩の可能性、グループ役職員や取引先など7万人超
https://xtech.nikkei.com/atcl/nxt/news/24/03331/?ST=nxt_thmit_security
日経コンピュータ「ITが危ない」
GitHub内部リポジトリーが標的 漏洩リスクは公開版の6倍に
「非公開だから安全」という思い込みが危険
https://xtech.nikkei.com/atcl/nxt/mag/nc/18/092400133/072800200/?ST=nxt_thmit_security
データは語る
過半数がペーパーレス化に課題 取引先との商慣習が障壁に
https://xtech.nikkei.com/atcl/nxt/mag/nc/18/020600010/072800230/?ST=nxt_thmit_security
AIインフラ最前線 第5回
AI活用で高まるセキュリティーリスク、パッチ作成の自動化など防御も強化へ
https://xtech.nikkei.com/atcl/nxt/column/18/03551/073100005/?ST=nxt_thmit_security
勝村幸博の「今日も誰かが狙われる」
ランサムウエア攻撃者の侵入経路、脆弱性悪用を抜き「メール」が首位に
https://xtech.nikkei.com/atcl/nxt/column/18/00676/072900230/?ST=nxt_thmit_security
EPARKリラク&エステに不正アクセス、顧客情報3300万レコードが漏洩の恐れ
https://xtech.nikkei.com/atcl/nxt/news/24/03330/?ST=nxt_thmit_security
サイバーセキュリティ2026決定、対策強化を「日本成長戦略」の大前提に
https://xtech.nikkei.com/atcl/nxt/news/24/03328/?ST=nxt_thmit_security