CVE-2025-27580

CVE-2025-27580: NIH BRICS における未認証のアカウント乗っ取り NIH BRICS（別名 Biomedical Research Informatics Computing System）バージョン 14.0.0-67 以前では、予測可能なトークン（ユーザー名、時刻、および固定文字列 7Dl9dj- に依存する）を生成するため、Common Access Card（CAC）を持つ未認証ユーザーが権限を昇格させ、管理者を含む任意のアカウントを侵害することが可能です。 解説記事を公開しました: https://bugculture.io/CVE-2025-27580/...

CVE-2025-13390

CVE-2025-13390 WP Directory Kit WordPress用WP Directory Kitプラグインは、wdkgenerateautologinlink 関数における認証アルゴリズムの実装不備により、バージョン1.4.4まで（1.4.4を含む）のすべてのバージョンで認証バイパスの影響を受けます。 これは、この機能が暗号学的に弱いトークン生成メカニズムを使用しているためです。この欠陥により、未認証の攻撃者 が予測可能なトークンを使用して自動ログインエンドポイント経由で管理者アクセスを取得し、サイト全体を乗っ取る ことが可能になります。 CNA: Wordfence...

CVE-2026-62646

CVE-2026-62646 affects Reyrolle 7SR5 (all versions prior to V2.70 ), a Siemens industrial communication gateway. The vulnerability resides in the session identifier generation mechanism: an algorithm with insufficient randomness produces low-entropy tokens that can be predicted or brute-forced. A...

CVE-2020-7378

CVE-2020-7378 – OpenCRX 予測可能なパスワードリセットトークンとXXEエクスプロイト このリポジトリには、OpenCRX （バージョン5.0-20200717までを含む）の重大な脆弱性であるCVE-2020-7378 に対する統合された概念実証（PoC）エクスプロイトが含まれています。このエクスプロイトは、アプリケーションにおける2つの根本的な問題を連鎖させます。 1. java.util.Randomに依存していることによる予測可能なパスワードリセットトークン の脆弱性。これにより、攻撃者はミリ秒単位のタイムスタンプシードに基づいて有効なトークンを生成できます。 ...

CVE-2026-64964 Generation of Predictable Email Confirmation Token in ATutor

ATutor generates predictable email confirmation tokens due to the use of insufficiently random values in the account confirmation functionality. Due to the use of predictable values related to user registration, an attacker who knows or can predict these values can guess valid account activation...

CVE-2026-64964 Generation of Predictable Email Confirmation Token in ATutor

ATutor generates predictable email confirmation tokens due to the use of insufficiently random values in the account confirmation functionality. Due to the use of predictable values related to user registration, an attacker who knows or can predict these values can guess valid account activation...

CVE-2026-75106 OpnForm Editable Submission Secret Derivation via Empty Hashids Salt

OpnForm derives editable-submission secrets from sequential row identifiers using Hashids with an empty default salt, allowing unauthenticated attackers to compute hashes for any submission. Attackers can read other respondents' full submission data through the submission-fetch endpoint or...

CVE-2026-75106 OpnForm Editable Submission Secret Derivation via Empty Hashids Salt

OpnForm derives editable-submission secrets from sequential row identifiers using Hashids with an empty default salt, allowing unauthenticated attackers to compute hashes for any submission. Attackers can read other respondents' full submission data through the submission-fetch endpoint or...

WordPress Pie Register plugin < 3.8.4.10 - Unauthenticated Email Verification Bypass via Predictable Token vulnerability

Unauthenticated Email Verification Bypass via Predictable Token vulnerability discovered by Haitam Lazaar in WordPress Plugin Pie Register versions 3.8.4.10...

CVE-2026-44054

Netatalk 2.0.0 through 4.4.2 generates AFP session tokens derived from predictable process IDs, which allows a remote authenticated attacker to cause a denial of service by exploiting the reconnect mechanism...

CVE-2026-44054

CVE-2026-44054 affects Netatalk 2.0.0 through 4.4.2, where AFP session tokens are derived from predictable data (process IDs), enabling a remote authenticated attacker to trigger denial of service via the reconnect mechanism. Debian and Alpine advisories align on the DoS impact and note fixes in ...

CVE-2026-41505

RELATE is a web-based courseware package. Prior to commit 2f68e16, RELATE is vulnerable to predictable token generation in auth.py's makesigninkey function and exam.py's genticketcode function. This issue has been patched via commit 2f68e16...

CVE-2026-41505

RELATE is a web-based courseware package. Prior to commit 2f68e16, auth.py's make_sign_in_key() and exam.py's gen_ticket_code() generate predictable tokens, enabling potential exploitation across a network without user interaction. The issue is marked in CVSS 3.1 as HIGH (AV:N/AC:H/PR:N/UI:N/S:C/...

GHSA-9R75-G2CR-3H76 Vercel Workflow Allows Webhook Creation with Predictable User-Specified Tokens

createWebhook in Vercel Workflow DevKit accepts a user-specified token parameter that serves as the credential for the public webhook endpoint /.well-known/workflow/v1/webhook/token. Official documentation recommended predictable token patterns, making it possible for an unauthenticated remote...

SUSE CVE-2025-40931

Apache::Session::Generate::MD5 versions through 1.94 for Perl create insecure session id. Apache::Session::Generate::MD5 generates session ids insecurely. The default session id generator returns a MD5 hash seeded with the built-in rand function, the epoch time, and the PID. The PID will come fro...

CVE-2026-27637

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.206, FreeScout's TokenAuth middleware uses a predictable authentication token computed as MD5userid + createdat + APPKEY. This token is static never expires/rotates, and if an attacker obtains...

EUVD-2026-8611

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.206, FreeScout's TokenAuth middleware uses a predictable authentication token computed as MD5userid + createdat + APPKEY. This token is static never expires/rotates, and if an attacker obtains...

CVE-2026-27637 FreeScout's Predictable Authentication Token Enables Account Takeover

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.206, FreeScout's TokenAuth middleware uses a predictable authentication token computed as MD5userid + createdat + APPKEY. This token is static never expires/rotates, and if an attacker obtains...

CVE-2026-27637 FreeScout's Predictable Authentication Token Enables Account Takeover

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.206, FreeScout's TokenAuth middleware uses a predictable authentication token computed as MD5userid + createdat + APPKEY. This token is static never expires/rotates, and if an attacker obtains...

CVE-2026-27637

FreeScout (Laravel-based) before version 1.8.206 is affected by two linked issues. CVE-2026-27637: the TokenAuth middleware uses a predictable token computed as MD5(user_id + created_at + APP_KEY). The token is static and, if an attacker obtains APP_KEY, they can generate a valid token for any us...