Regular Expression Denial of Service (ReDoS)

Overview @fedify/fedify is an An ActivityPub server framework Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS via docloader.ts. An attacker can cause the event loop to become unresponsive by supplying a specially crafted HTML payload that triggers...

Fedify has ReDoS Vulnerability in HTML Parsing Regex

Hi Fedify team! 👋 Thank you for your work on Fedify—it's a fantastic library for building federated applications. While reviewing the codebase, I discovered a Regular Expression Denial of Service ReDoS vulnerability that I'd like to report. I hope this helps improve the project's security. ---...

CVE-2025-68475 Fedify has ReDoS Vulnerability in HTML Parsing Regex

Fedify is a TypeScript library for building federated server apps powered by ActivityPub. Prior to versions 1.6.13, 1.7.14, 1.8.15, and 1.9.2, a Regular Expression Denial of Service ReDoS vulnerability exists in Fedify's document loader. The HTML parsing regex at...

CVE-2025-68475 Fedify has ReDoS Vulnerability in HTML Parsing Regex

Fedify is a TypeScript library for building federated server apps powered by ActivityPub. Prior to versions 1.6.13, 1.7.14, 1.8.15, and 1.9.2, a Regular Expression Denial of Service ReDoS vulnerability exists in Fedify's document loader. The HTML parsing regex at...

CVE-2025-68475 Fedify has ReDoS Vulnerability in HTML Parsing Regex

Fedify is a TypeScript library for building federated server apps powered by ActivityPub. Prior to versions 1.6.13, 1.7.14, 1.8.15, and 1.9.2, a Regular Expression Denial of Service ReDoS vulnerability exists in Fedify's document loader. The HTML parsing regex at...

CVE-2025-68475

CVE-2025-68475 describes a ReDoS in Fedify's HTML document loader. A vulnerable regex in packages/fedify/src/runtime/docloader.ts uses nested quantifiers that enable catastrophic backtracking when parsing malicious HTML, potentially blocking the Node.js event loop. Affected versions are prior to ...

PT-2025-52723

Name of the Vulnerable Software and Affected Versions Fedify versions prior to 1.6.13 Fedify versions prior to 1.7.14 Fedify versions prior to 1.8.15 Fedify versions prior to 1.9.2 Description Fedify is a TypeScript library used for building federated server applications based on ActivityPub. A...

Fedify 安全漏洞

Fedify is a TypeScript library by the individual developer Hong Minhee. It is used to build federated server applications supported by ActivityPub and other standards. A security vulnerability exists in Fedify versions prior to 1.6.13, 1.7.14, 1.8.15, and 1.9.2, which stems from a regular...

EUVD-2024-2391

Malicious code in bioql PyPI...

EUVD-2025-24039

Malicious code in bioql PyPI...

CVE-2025-54888

Fedify is a TypeScript library for building federated server apps powered by ActivityPub. In versions below 1.3.20, 1.4.0-dev.585 through 1.4.12, 1.5.0-dev.636 through 1.5.4, 1.6.0-dev.754 through 1.6.7, 1.7.0-pr.251.885 through 1.7.8 and 1.8.0-dev.909 through 1.8.4, an authentication bypass...

CVE-2025-54888

Fedify is a TypeScript library for building federated server apps powered by ActivityPub. In versions below 1.3.20, 1.4.0-dev.585 through 1.4.12, 1.5.0-dev.636 through 1.5.4, 1.6.0-dev.754 through 1.6.7, 1.7.0-pr.251.885 through 1.7.8 and 1.8.0-dev.909 through 1.8.4, an authentication bypass...

Improper Authentication

Overview @fedify/fedify is an An ActivityPub server framework Affected versions of this package are vulnerable to Improper Authentication via the handleInboxInternal function in the federation/handler.ts file. An attacker can impersonate any actor across all instances by sending forged activities...

CVE-2025-54888 @fedify/fedify: Improper Authentication and Incorrect Authorization

Fedify is a TypeScript library for building federated server apps powered by ActivityPub. In versions below 1.3.20, 1.4.0-dev.585 through 1.4.12, 1.5.0-dev.636 through 1.5.4, 1.6.0-dev.754 through 1.6.7, 1.7.0-pr.251.885 through 1.7.8 and 1.8.0-dev.909 through 1.8.4, an authentication bypass...

CVE-2025-54888 @fedify/fedify: Improper Authentication and Incorrect Authorization

Fedify is a TypeScript library for building federated server apps powered by ActivityPub. In versions below 1.3.20, 1.4.0-dev.585 through 1.4.12, 1.5.0-dev.636 through 1.5.4, 1.6.0-dev.754 through 1.6.7, 1.7.0-pr.251.885 through 1.7.8 and 1.8.0-dev.909 through 1.8.4, an authentication bypass...

CVE-2025-54888 @fedify/fedify: Improper Authentication and Incorrect Authorization

Fedify is a TypeScript library for building federated server apps powered by ActivityPub. In versions below 1.3.20, 1.4.0-dev.585 through 1.4.12, 1.5.0-dev.636 through 1.5.4, 1.6.0-dev.754 through 1.6.7, 1.7.0-pr.251.885 through 1.7.8 and 1.8.0-dev.909 through 1.8.4, an authentication bypass...

CVE-2025-54888

Fedify vulnerability CVE-2025-54888 is an authentication bypass in handleInboxInternal that lets an attacker impersonate any ActivityPub actor by sending forged activities signed with their own keys. The flaw processes an activity before verifying the signer’s ownership of the actor, enabling imp...

Fedify 安全漏洞

Fedify is a TypeScript library by the individual developer Hong Minhee. It is used to build federated server applications supported by ActivityPub and other standards. A security vulnerability exists in Fedify that stems from an authentication bypass that could lead to arbitrary ActivityPub role...

@fedify/fedify has Improper Authentication and Incorrect Authorization

Summary An authentication bypass vulnerability allows any unauthenticated attacker to impersonate any ActivityPub actor by sending forged activities signed with their own keys. Activities are processed before verifying the signing key belongs to the claimed actor, enabling complete actor...

Hollo 安全漏洞

Hollo is a micro-blogging software from Fedify Open Source. A security vulnerability exists in versions of Hollo prior to 0.6.5 that stems from allowing submission of HTML form elements, which may result in HTML injection...