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#CVE-2026-116238

脆弱性の一覧へ戻る

編集部の見出し:pgAdmin 4:ログイン失敗の回数制限の迂回

CVE(NVD)CVSS 9.2 Critical

NVD の情報

In server mode pgAdmin 4 locks an internal account after MAX_LOGIN_ATTEMPTS failed logins (3 by default). The limit could be bypassed, giving an unauthenticated attacker an unlimited number of password guesses against any internal account, including the administrator's, in the default configuration: - Flask-Security registers its own views next to pgAdmin's. A login submitted to its /login view was checked and logged in without pgAdmin's failed login count or lock. Its /verify view checked a signed-in user's password without limit, its /change view changed a password without pgAdmin's change password permission or re-encrypting the user's saved server passwords, and its /reset views sent and applied password resets for accounts that are not internal or are locked. - The internal account was looked up by its exact username, while the login form matches the email ignoring case, so a login with the username typed in another case was neither counted nor checked for the lock. - With LDAP or webserver authentication also configured, a wrong internal password was never counted, and with Kerberos or webserver authentication configured a guess could be answered without being counted. In addition, where accounts from different authentication sources share an email address, a password reset could be sent for, or applied to, an account from another source, and the About box showed the server configuration to a user whose email was that of an administrator's account. The fix refuses submissions to Flask-Security's own views, counts every failed internal login however the username is typed and whatever other sources are configured, no longer lets a login that posts a password fall back to an authentication source that does not check it, and locks only internal authentication. Password resets and the About box act only on the user's own internal account. Desktop mode is not affected. This issue affects pgAdmin 4: before 9.19.

公開日
2026-10-30
最終更新(NVD)
2026-10-30
NVD の状態
Received
脆弱性の種類
CWE-307、CWE-863

深刻度(CVSS)

  • 9.2 CriticalCVSS 4.0/副/評価:f86ef6dc-4d3a-42ad-8f28-e6d5547a5007CVSS:4.0/AV:N/AC:H/AT:P/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
  • 8.1 HighCVSS 3.1/副/評価:f86ef6dc-4d3a-42ad-8f28-e6d5547a5007CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

悪用の状況

CISA KEV には掲載されていません(掲載されていないことは、悪用されていないことの証明ではありません)。

解消方法

  • pgAdmin 4 のバージョンアップ9.19 以降根拠:公告(編集部の転記)

「NVD の条件から推定」は、NVD が影響ありとする版の上限から読み取ったもので、修正版とは限りません。「解消方法の情報なし」は、修正が無いという意味ではありません。必ずベンダーの公告で確認してください。

編集部の記載(レポート掲載時)

レポートの編集部がベンダー公告などから転記した内容です。検証済みの値ではないため、必ず出典で確認してください。

2026-10-31 のレポートpgAdmin 4:ログイン失敗の回数制限の迂回

9.19 未満。同じリリースノートで修正。

公告に記載の修正版

参照(NVD)

NVD から取得:2026-10-31T04:40:35.583Z

This product uses the NVD API but is not endorsed or certified by the NVD.

悪用の確認情報は CISA Known Exploited Vulnerabilities Catalog(NVD 経由で取得)によります。EPSS は FIRST(www.first.org/epss)によります。