CVE-2026-40263 Note Mark: Username Enumeration via Login Endpoint Timing Side-Channel

Note Mark is an open-source note-taking application. In versions 0.19.1 and prior, the login endpoint performs bcrypt password verification only when the supplied username exists, returning immediately for nonexistent usernames. This timing discrepancy allows unauthenticated attackers to enumerat...

EUVD-2026-23015

ApostropheCMS: User Enumeration via Timing Side Channel in Password Reset Endpoint...

CVE-2026-40193 Maddy Mail Server: LDAP Filter Injection via Unsanitized Username

maddy is a composable, all-in-one mail server. Versions prior to 0.9.3 contain an LDAP injection vulnerability in the auth.ldap module where user-supplied usernames are interpolated into LDAP search filters and DN strings via strings.ReplaceAll without any LDAP filter escaping, despite the...

CVE-2026-33877

ApostropheCMS is an open-source Node.js content management system. Versions 4.28.0 and prior contain a timing side-channel vulnerability in the password reset endpoint /api/v1/@apostrophecms/login/reset-request that allows unauthenticated username and email enumeration. When a user is not found,...

CVE-2026-33877 ApostropheCMS: User Enumeration via Timing Side Channel in Password Reset Endpoint

ApostropheCMS is an open-source Node.js content management system. Versions 4.28.0 and prior contain a timing side-channel vulnerability in the password reset endpoint /api/v1/@apostrophecms/login/reset-request that allows unauthenticated username and email enumeration. When a user is not found,...

CVE-2026-33877 ApostropheCMS: User Enumeration via Timing Side Channel in Password Reset Endpoint

ApostropheCMS is an open-source Node.js content management system. Versions 4.28.0 and prior contain a timing side-channel vulnerability in the password reset endpoint /api/v1/@apostrophecms/login/reset-request that allows unauthenticated username and email enumeration. When a user is not found,...

CVE-2026-33877 ApostropheCMS: User Enumeration via Timing Side Channel in Password Reset Endpoint

ApostropheCMS is an open-source Node.js content management system. Versions 4.28.0 and prior contain a timing side-channel vulnerability in the password reset endpoint /api/v1/@apostrophecms/login/reset-request that allows unauthenticated username and email enumeration. When a user is not found,...

ApostropheCMS 安全漏洞

ApostropheCMS is a full-stack content management system open source by Apostrophe Technologies. Versions of ApostropheCMS 4.28.0 and earlier contained security vulnerabilities. These vulnerabilities stemmed from a timing side channel vulnerability in the password reset endpoint, which could lead ...

PT-2026-33119

ApostropheCMS is an open-source Node.js content management system. Versions 4.28.0 and prior contain a timing side-channel vulnerability in the password reset endpoint /api/v1/@apostrophecms/login/reset-request that allows unauthenticated username and email enumeration. When a user is not found,...

GHSA-W6M9-39CV-2FWP Note Mark: Username Enumeration via Login Endpoint Timing Side-Channel

Summary A timing side-channel in the login endpoint allows unauthenticated attackers to determine whether a username exists by measuring response time differences. Requests for valid usernames take noticeably longer because the server performs bcrypt password verification, while requests for...

Note Mark: Username Enumeration via Login Endpoint Timing Side-Channel

Summary A timing side-channel in the login endpoint allows unauthenticated attackers to determine whether a username exists by measuring response time differences. Requests for valid usernames take noticeably longer because the server performs bcrypt password verification, while requests for...

SUSE-SU-2026:21181-1 Security update for nodejs24

This update for nodejs24 fixes the following issues: Update to version 24.14.1. Security issues fixed: - CVE-2026-21717: trivially predictable hash collisions due to flaw in V8's string hashing mechanism allows for performance degradation via a crafted request bsc1260494. - CVE-2026-21716:...

Node.js: Node.js: Information disclosure via timing oracle in HMAC verification

A flaw was found in Node.js. The HMAC Hash-based Message Authentication Code verification process uses a comparison method that does not take a constant amount of time. This non-constant-time comparison can leak timing information, which, under specific conditions where precise timing measurement...

Important: nodejs22

Issue Overview: A flaw in Node.js HTTP request handling causes an uncaught TypeError when a request is received with a header named proto and the application accesses req.headersDistinct. When this occurs, dest"proto" resolves to Object.prototype rather than undefined, causing .push to be called ...

Amazon Linux 2023 : nodejs20, nodejs20-devel, nodejs20-full-i18n (ALAS2023-2026-1577)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1577 advisory. A flaw in Node.js HTTP request handling causes an uncaught TypeError when a request is received with a header named proto and the application accesses req.headersDistinct. When this occurs,...

EUVD-2026-21597

phpseclib has a variable-time HMAC comparison in SSH2::getbinarypacket using != instead of hashequals...

OpenClaw: Shared-secret comparison call sites leaked length information through timing

Summary Before OpenClaw 2026.4.2, several shared-secret comparison call sites still used early length-mismatch checks instead of the shared fixed-length comparison helper. Those paths could leak secret-length information through measurable timing differences. Impact The affected paths exposed a...

CVE-2026-39321 Parse Server has a login timing side-channel reveals user existence

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.8.0-alpha.6 and 8.6.74, he login endpoint response time differs measurably depending on whether the submitted username or email exists in the database. When a user is not found, the...

[SECURITY] [DSA 6197-1] dovecot security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6197-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff April 05, 2026 https://www.debian.org/security/faq -...

Debian dsa-6197 : dovecot-auth-lua - security update

The remote Debian 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6197 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6197-1 [email protected] https://www.debian.org/securit...