CVE-2026-27579-CORS-Misconfiguration-Leading-to-Authenticated-Data-Exposure

CVE-2026-27579 – CORS設定ミスによる認証済みデータ漏洩 📌 アドバイザリ参照情報 CVE ID: CVE-2026-27579 GHSA: GHSA-qh5m-p8jh-hx88 ベンダー: karnop 製品: realtime-collaboration-platform 深刻度: HIGH CVSS 7.4 ベクトル: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N 🧠 脆弱性の概要 realtime-collaboration-platform プロジェクトには、Appwriteバックエンド設定におけるCORS設定ミス...

Appwrite <=1.2.1 - Server-Side Request Forgery

Appwrite through 1.2.1 is susceptible to server-side request forgery via the component /v1/avatars/favicon. An attacker can potentially access network resources and sensitive information via a crafted GET request, thereby also making it possible to modify data and/or execute unauthorized...

CVE-2026-27579-CollabPlatform-Appwrite-CORS-Misconfiguration

Appwrite CORS 設定ミス悪用 PoC CVE-2026-27579 – 緩すぎる CORS による認証済みアカウントデータ漏洩 CVE-2026-27579 GHSA-qh5m-p8jh-hx88 realtime-collaboration-platform で使用されている Appwrite バックエンドの深刻な CORS 設定ミスにより、攻撃者が制御するオリジンが、ログイン中の被害者から認証済みの機密ユーザーデータ（メールアドレス、ユーザー ID、MFA ステータスなど）を、資格情報付きクロスオリジンリクエスト経由で読み取ることができます。 影響を受けるソフトウェア...

CVE-2026-89036

Appwrite before 2.0.0 contains an argument injection vulnerability that allows authenticated users with functions.write or sites.write permissions to execute arbitrary commands by injecting TAB characters into the providerRootDirectory parameter used to construct GNU tar commands. The application...

EUVD-2026-81906

Appwrite before 2.0.0 contains an argument injection vulnerability that allows authenticated users with functions.write or sites.write permissions to execute arbitrary commands by injecting TAB characters into the providerRootDirectory parameter used to construct GNU tar commands. The application...

CVE-2026-89036 Appwrite < 2.0.0 Argument Injection via providerRootDirectory Parameter

Appwrite before 2.0.0 contains an argument injection vulnerability that allows authenticated users with functions.write or sites.write permissions to execute arbitrary commands by injecting TAB characters into the providerRootDirectory parameter used to construct GNU tar commands. The application...

CVE-2026-89036 Appwrite < 2.0.0 Argument Injection via providerRootDirectory Parameter

Appwrite before 2.0.0 contains an argument injection vulnerability that allows authenticated users with functions.write or sites.write permissions to execute arbitrary commands by injecting TAB characters into the providerRootDirectory parameter used to construct GNU tar commands. The application...

CVE-2026-89036

Appwrite before 2.0.0 contains an argument injection vulnerability in the providerRootDirectory parameter used to construct GNU tar commands. The root cause is the use of escapeshellcmd instead of escapeshellarg without proper quoting, allowing TAB characters to survive sanitization and be interp...

CVE-2026-89036 Appwrite < 2.0.0 Argument Injection via providerRootDirectory Parameter

Appwrite before 2.0.0 contains an argument injection vulnerability that allows authenticated users with functions.write or sites.write permissions to execute arbitrary commands by injecting TAB characters into the providerRootDirectory parameter used to construct GNU tar commands. The application...

CVE-2026-89036: Improper Neutralization of Argument Delimiters in a Command

Appwrite before 2.0.0 contains an argument injection vulnerability that allows authenticated users with functions.write or sites.write permissions to execute arbitrary commands by injecting TAB characters into the providerRootDirectory parameter used to construct GNU tar commands. The application...

CVE-2026-72861

The github-issue-bot templates in appwrite/templates verify the GitHub webhook signature with an inverted condition. verifyWebhook in node/github-issue-bot/src/github.js and in node-typescript/github-issue-bot/src/github.ts returns "typeof signature !== 'string' || await verify...", so when the...

EUVD-2026-63579

The github-issue-bot templates in appwrite/templates verify the GitHub webhook signature with an inverted condition. verifyWebhook in node/github-issue-bot/src/github.js and in node-typescript/github-issue-bot/src/github.ts returns "typeof signature !== 'string' || await verify...", so when the...

CVE-2026-72861 Appwrite Templates github-issue-bot Skips Webhook Signature Verification When the X-Hub-Signature-256 Header Is Absent

The github-issue-bot templates in appwrite/templates verify the GitHub webhook signature with an inverted condition. verifyWebhook in node/github-issue-bot/src/github.js and in node-typescript/github-issue-bot/src/github.ts returns "typeof signature !== 'string' || await verify...", so when the...

CVE-2026-72861 Appwrite Templates github-issue-bot Skips Webhook Signature Verification When the X-Hub-Signature-256 Header Is Absent

The github-issue-bot templates in appwrite/templates verify the GitHub webhook signature with an inverted condition. verifyWebhook in node/github-issue-bot/src/github.js and in node-typescript/github-issue-bot/src/github.ts returns "typeof signature !== 'string' || await verify...", so when the...

CVE-2026-72861 Appwrite Templates github-issue-bot Skips Webhook Signature Verification When the X-Hub-Signature-256 Header Is Absent

The github-issue-bot templates in appwrite/templates verify the GitHub webhook signature with an inverted condition. verifyWebhook in node/github-issue-bot/src/github.js and in node-typescript/github-issue-bot/src/github.ts returns "typeof signature !== 'string' || await verify...", so when the...

CVE-2026-72861: Improper Verification of Cryptographic Signature

The github-issue-bot templates in appwrite/templates verify the GitHub webhook signature with an inverted condition. verifyWebhook in node/github-issue-bot/src/github.js and in node-typescript/github-issue-bot/src/github.ts returns "typeof signature !== 'string' || await verify...", so when the...

CVE-2026-27579

CollabPlatform is a full-stack, real-time doc collaboration platform. In all versions of CollabPlatform, the Appwrite project used by the application is misconfigured to allow arbitrary origins in CORS responses while also permitting credentialed requests. An attacker-controlled domain can issue...

Exploit for CVE-2026-27579

Appwrite CORS Misconfiguration Exploit PoC CVE-2026-27579...

CVE-2026-27579: Origin Validation Error

CollabPlatform is a full-stack, real-time doc collaboration platform. In all versions of CollabPlatform, the Appwrite project used by the application is misconfigured to allow arbitrary origins in CORS responses while also permitting credentialed requests. An attacker-controlled domain can issue...

CollabPlatform 安全漏洞

CollabPlatform is a real-time collaboration platform developed by Manav Mahesh Sanger as an individual developer. CollabPlatform has a security vulnerability, which stems from improper CORS configuration in the Appwrite project. This allows credentials from any source to be requested, potentially...