CVE-2026-72549 OpenSignLabs OpenSign - Information Disclosure

An information disclosure vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to map any email address or username to its internal user objectId via the getUserId Parse cloud function. The function performs no authentication before resolving and returning...

PT-2026-70841

OpenIM Server v3.8.3 contains a missing authorization vulnerability that allows any authenticated user to access admin-only management API endpoints by submitting POST requests with a regular user bearer token to /user/get users, /user/get all users uid, and /group/get groups. Attackers can explo...

PT-2026-70901

Snipe-IT before 8.6.0 contains an authorization bypass insecure direct object reference in the asset checkout-request cancellation endpoint. The cancel by admin and requestingUser values are read from user-controlled URL path segments and used without a server-side authorization check, so any...

PT-2026-70124

An information disclosure vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to map any email address or username to its internal user objectId via the getUserId Parse cloud function. The function performs no authentication before resolving and returning...

CVE-2026-72915 Mastodon: Personally-identifying information disclosure due to incorrect access control validation

Mastodon is a free, open-source social network server based on ActivityPub. From 4.6.0-beta.1 until 4.6.4 and 4.7.0-beta.1, any logged-in local user could use the show action in app/controllers/admin/collectionscontroller.rb to access personally identifying information about another local user in...

CVE-2026-72760 cti-transmute Following List Exposes User Email Addresses to Authenticated Users

Affected versions of MISP cti-transmute disclose users' email addresses through the account following-list endpoint. When an authenticated user follows another account, getfollowing includes the followed user's email field in the API response alongside their name, user ID, and follow date. Becaus...

CVE-2026-72588

A user enumeration vulnerability in bluewave-labs/Checkmate through 2.1.0 allows an unauthenticated remote attacker to determine whether a given email address is registered. The POST /api/v1/auth/recovery/request endpoint returns HTTP 200 for registered email addresses and a different status code...

CVE-2026-72588 bluewave-labs Checkmate - User Enumeration via Differential HTTP Response in Password Recovery

A user enumeration vulnerability in bluewave-labs/Checkmate through 2.1.0 allows an unauthenticated remote attacker to determine whether a given email address is registered. The POST /api/v1/auth/recovery/request endpoint returns HTTP 200 for registered email addresses and a different status code...

CVE-2026-72588

A user enumeration vulnerability in bluewave-labs/Checkmate through 2.1.0 allows an unauthenticated remote attacker to determine whether a given email address is registered. The POST /api/v1/auth/recovery/request endpoint returns HTTP 200 for registered email addresses and a different status code...

CVE-2026-72588 bluewave-labs Checkmate - User Enumeration via Differential HTTP Response in Password Recovery

A user enumeration vulnerability in bluewave-labs/Checkmate through 2.1.0 allows an unauthenticated remote attacker to determine whether a given email address is registered. The POST /api/v1/auth/recovery/request endpoint returns HTTP 200 for registered email addresses and a different status code...

CVE-2026-72588

Summary : CVE-2026-72588 affects bluewave-labs/Checkmate up to version 2.1.0. The vulnerability resides in the password-recovery endpoint /api/v1/auth/recovery/request, where an unauthenticated attacker can determine if an email is registered by observing differing HTTP responses (HTTP 200 for re...

CVE-2026-72588: Observable Response Discrepancy

A user enumeration vulnerability in bluewave-labs/Checkmate through 2.1.0 allows an unauthenticated remote attacker to determine whether a given email address is registered. The POST /api/v1/auth/recovery/request endpoint returns HTTP 200 for registered email addresses and a different status code...

Mail contact autocomplete bypasses administrator-configured user enumeration restrictions

None...

Mr.SIP — Updated!

SIP Security, Attack and Audit Framework Mr.SIP is a simple, console-bas...

CVE-2026-8794 PaperCut NG/MF: User enumeration via timing attack

PaperCut NG/MF contains an observable timing discrepancy in its authentication component. An unauthenticated remote attacker can exploit this vulnerability to perform username enumeration by measuring response times during login attempts. The system executes a password hash comparison only when a...

CVE-2026-16291 ProfileGrid < 5.9.9.8 - Subscriber+ Arbitrary Notification Deletion via IDOR

The ProfileGrid WordPress plugin before 5.9.9.8 does not verify that a notification belongs to the requesting user before deleting it, allowing any authenticated user such as a Subscriber to delete other users' notifications by enumerating notification identifiers...

GHSA-JHH7-832H-F8HV WPGraphQL has deprecated `user` field on SendPasswordResetEmailPayload that leaks user existence + profile (defeats explicit anti-enumeration design)

Summary The sendPasswordResetEmail mutation in WPGraphQL is explicitly designed to prevent user enumeration. The resolver in src/Mutation/SendPasswordResetEmail.php states in a code comment: // We obsfucate the actual success of this mutation to prevent user enumeration. The mutation always retur...

PT-2026-66713

The JS Help Desk WordPress plugin before 3.1.4 grants a support-agent capability to the Contributor role on activation and does not perform a capability check on a user-listing handler, allowing Contributor-level users to enumerate the email addresses of all registered WordPress users...

Siemens SIMATIC Observable Discrepancy (CVE-2023-37482)

The webserver of several SIMATIC products is affected by a user enumeration vulnerability that could allow an unauthenticated remote attacker to identify valid usernames. The login functionality of the web server in affected devices does not normalize the response times of login attempts. An...

CredSpy v1.1.0

CredSpy Enumerate Microsoft Entra ID authentication methods for email addresses using the public GetCredentialType API. This is the same endpoint the Microsoft login page uses when you enter a username. In contrast to most tools using the GetCredentialType method, CredSpy also shows the...