BIT-NATS-2026-33217 NATS allows MQTT clients to bypass ACL checks

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, when using ACLs on message subjects, these ACLs were not applied in the $MQTT. namespace, allowing MQTT clients to bypass ACL checks for MQTT subjects. Versions...

BIT-NATS-2026-33216 NATS has MQTT plaintext password disclosure

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, for MQTT deployments using usercodes/passwords: MQTT passwords are incorrectly classified as a non-authenticating identity statement JWT and exposed via monitoring...

BIT-NATS-2026-29785 NATS Server panic via malicious compression on leafnode port

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.14 and 2.12.5, if the nats-server has the "leafnode" configuration enabled not default, then anyone who can connect can crash the nats-server by triggering a panic. This happens...

BIT-GITLAB-2026-4363 Incorrect Authorization in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 18.1 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that under certain conditions could have allowed an authenticated user to gain unauthorized access to resources due to improper caching of authorization decisio...

BIT-GITLAB-2026-3988 Inefficient Algorithmic Complexity in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.5 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an unauthenticated user to cause a denial of service by making the GitLab instance unresponsive due to improper input validation in...

BIT-GITLAB-2026-3857 Cross-Site Request Forgery (CSRF) in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an unauthenticated user to execute arbitrary GraphQL mutations on behalf of authenticated users due to insufficient CSRF protection...

BIT-GITLAB-2026-2995 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 15.4 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to add email addresses to targeted user accounts due to improper sanitization of HTML content...

BIT-GITLAB-2026-2973 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.7 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to execute arbitrary JavaScript in a user's browser due to improper sanitization of entity-encoded content in...

BIT-GITLAB-2026-2745 Authentication Bypass Using an Alternate Path or Channel in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 7.11 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an unauthenticated user to bypass WebAuthn two-factor authentication and gain unauthorized access to user accounts due to inconsisten...

BIT-GITLAB-2026-2726 Incorrect Authorization in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to perform unauthorized actions on merge requests in other projects due to improper access control during...

BIT-GITLAB-2026-1724 Missing Authentication for Critical Function in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 18.5 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an unauthenticated user to access API tokens of self-hosted AI models due to improper access control...

BIT-GITLAB-2025-14595 Missing Authorization in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 18.6 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that under certain conditions could have allowed an authenticated user with Planner role to view security category metadata and attributes in group security...

BIT-GITLAB-2025-13436 Allocation of Resources Without Limits or Throttling in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.7 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to cause a denial of service due to excessive resource consumption when handling certain CI-related inputs...

BIT-GITLAB-2025-13078 Improper Validation of Specified Quantity in Input in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.10 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to cause a denial of service due to excessive resource consumption when processing certain webhook configurati...

BIT-NATS-2026-27889 NATS: Pre-auth remote server crash via WebSocket frame length overflow in wsRead

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Starting in version 2.2.0 and prior to versions 2.11.14 and 2.12.5, a missing sanity check on a WebSockets frame could trigger a server panic in the nats-server. This happens before authentication, and...

BIT-ETCD-2026-33413 etcd: Authorization bypasses in multiple APIs

etcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.4.42, 3.5.28, and 3.6.9, unauthorized users may bypass authentication or authorization checks and call certain etcd functions in clusters that expose the gRPC API to untrusted or partially trusted...

BIT-ETCD-2026-33343 etcd: Nested etcd transactions bypass RBAC authorization checks

etcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.4.42, 3.5.28, and 3.6.9, an authenticated user with RBAC restricted permissions on key ranges can use nested transactions to bypass all key-level authorization. This allows any authenticated user with...

BIT-PARSE-2026-33627 Parse Server: Auth data exposed via /users/me endpoint

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.61 and 9.6.0, an authenticated user calling GET /users/me receives unsanitized auth data, including sensitive credentials such as MFA TOTP secrets and recovery codes. The...

BIT-PARSE-2026-33624 Parse Server: MFA recovery code single-use bypass via concurrent requests

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.60 and 9.6.0, an attacker who obtains a user's password and a single MFA recovery code can reuse that recovery code an unlimited number of times by sending concurrent logi...

BIT-PARSE-2026-33539 Parse Server: SQL injection via aggregate and distinct field names in PostgreSQL adapter

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.59 and 9.6.0, an attacker with master key access can execute arbitrary SQL statements on the PostgreSQL database by injecting SQL metacharacters into field name parameters...

BIT-PARSE-2026-33538 Parse Server: Denial of service via unindexed database query for unconfigured auth providers

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.58 and 9.6.0, an unauthenticated attacker can cause denial of service by sending authentication requests with arbitrary, unconfigured provider names. The server executes a...

BIT-PARSE-2026-33527 Parse Server: Session update endpoint allows overwriting server-generated session fields

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.57 and 9.6.0, an authenticated user can overwrite server-generated session fields such as expiresAt and createdWith when updating their own session via the REST API. This...

BIT-PARSE-2026-33508 Parse Server: LiveQuery subscription query depth bypass

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.56 and 9.6.0, Parse Server's LiveQuery component does not enforce the requestComplexity.queryDepth configuration setting when processing WebSocket subscription requests. A...

BIT-PARSE-2026-33498 Parse Server: Query condition depth bypass via pre-validation transform pipeline

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.55 and 9.6.0, an attacker can send an unauthenticated HTTP request with a deeply nested query containing logical operators to permanently hang the Parse Server process. Th...

BIT-PARSE-2026-33429 Parse Server: Protected field change detection oracle via LiveQuery watch parameter

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.54 and 9.6.0, an attacker can subscribe to LiveQuery with a watch parameter targeting a protected field. Although the protected field value is properly stripped from event...

BIT-PARSE-2026-33421 Parse Server: LiveQuery bypasses CLP pointer permission enforcement

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.53 and 9.6.0, Parse Server's LiveQuery WebSocket interface does not enforce Class-Level Permission CLP pointer permissions readUserFields and pointerFields. Any...

BIT-PARSE-2026-33409 Parse Server: Auth provider validation bypass on login via partial authData

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.52 and 9.6.0, an authentication bypass vulnerability allows an attacker to log in as any user who has linked a third-party authentication provider, without knowing the...

BIT-PARSE-2026-33323 Parse Server: Email verification resend page leaks user existence

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.51 and 9.6.0, the Pages route and legacy PublicAPI route for resending email verification links return distinguishable responses depending on whether the provided username...

BIT-DISCOURSE-2026-33428 Discourse Allows Unauthorized Access to Deleted Posts Index via Group Membership

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, a non-staff user with elevated group membership could access deleted posts belonging to any user due to an overly broad authorization check on the deleted posts index endpoint. Versions 2026.3.0,...

BIT-DISCOURSE-2026-33427 Discourse Authorization Page Displays Unvalidated Redirect Domain

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, an unauthenticated attacker can cause a legitimate Discourse authorization page to display an attacker-controlled domain, facilitating social engineering attacks against users. Versions 2026.3.0,...

BIT-DISCOURSE-2026-33426 Discourse users can edit or synonymize hidden tags they can't see

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, users with tag-editing permissions could edit and create synonyms for tags hidden in restricted tag groups, even if they lacked visibility into those tags. Versions 2026.3.0, 2026.2.1, and 2026.1....

BIT-DISCOURSE-2026-33425 Discourse has inferable private group membership or existence via exclude_groups parameter

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, unauthenticated users can determine whether a specific user is a member of a private group by observing changes in directory results when using the excludegroups parameter. Versions 2026.3.0,...

BIT-DISCOURSE-2026-33424 PM access granted through invites after access revocation

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, an attacker can grant access to a private message topic through invites even after they lose access to that PM. Versions 2026.3.0, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are...

BIT-DISCOURSE-2026-33423 Discourse staff can modify any user's group notification level

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, staff can modify any user's group notification level. Versions 2026.3.0, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available...

BIT-DISCOURSE-2026-33422 Discourse exposes ip_address of flagged user

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, the ipaddress of a flagged user is exposed to any user who can access the review queue, including users who should not be able to see IP addresses. Versions 2026.3.0, 2026.2.1, and 2026.1.2 contai...

BIT-DISCOURSE-2026-33411 Discourse's solved topic stream has potential stored XSS in topic title

Discourse is an open-source discussion platform. Versions prior to 2026.3.0, 2026.2.1, and 2026.1.2 have a potential stored XSS in topic titles for the solved posts stream. Versions 2026.3.0, 2026.2.1, and 2026.1.2 contain a patch. As a workaround, ensure that the Content Security Policy is...

BIT-DISCOURSE-2026-33410 Discourse hardens chat DM channel creation and expansion

Discourse is an open-source discussion platform. Versions prior to 2026.3.0, 2026.2.1, and 2026.1.2 have two authorization issues in the chat direct message API. First, when creating a direct message channel or adding users to an existing one, the targetgroups parameter was passed directly to the...

BIT-DISCOURSE-2026-33408 Discourse has Improper Authorization in "Post Edits" Report For Moderators

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, moderators were able to see the first 40 characters of post edits in PMs and private categories. Versions 2026.3.0, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available...

BIT-DISCOURSE-2026-33395 Discourse has stored click‑based XSS via Graphviz SVG javascript: links

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, the discourse-graphviz plugin contains a stored cross-site scripting XSS vulnerability that allows authenticated users to inject malicious JavaScript code through DOT graph definitions. For...

BIT-DISCOURSE-2026-33394 Discourse leaks PM post edits to moderators

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, the Post Edits admin report /admin/reports/postedits leaked the first 40 characters of raw post content from private messages and secure categories to moderators who shouldn't have access. Version...

BIT-DISCOURSE-2026-33393 Discourse fixes loose hostname matching in spam host allowlist

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, the allowedspamhostdomains check used Stringendwith? without domain boundary validation, allowing domains like attacker-example.com to bypass spam protection when example.com was allowlisted...

BIT-DISCOURSE-2026-33355 Discourse filters whisper posts from private-posts feed

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, the /private-posts endpoint did not apply post-type visibility filtering, allowing regular PM participants to see whisper posts in PM topics they had access to. Versions 2026.3.0, 2026.2.1, and...

BIT-DISCOURSE-2026-33291 Discourse user can create Zendesk tickets even when it does not have access to topic

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, moderators can create Zendesk tickets for topics they do not have access to view. This affects all forums that use the Zendesk plugin. Versions 2026.3.0, 2026.2.1, and 2026.1.2 contain a patch. No...

BIT-DISCOURSE-2026-33251 Discourse has a Hidden Solved topics permission bypass

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, an authorization bypass vulnerability in hidden Solved topics may allow unauthorized users to accept or unaccept solutions. Versions 2026.3.0, 2026.2.1, and 2026.1.2 contain a patch. As a...

BIT-DISCOURSE-2026-32114 Discourse's unscoped status lookups leak restricted metadata

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, there is an Insecure Direct Object Reference IDOR vulnerability that allows any authenticated user to access metadata about AI personas, features, and LLM models by providing their identifiers. Th...

BIT-DISCOURSE-2026-32099 Discourse prevents hidden profile data leak via user onebox

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, when a user has hideprofile enabled, their bio, location, and website were still exposed through the user onebox preview. An authenticated user could request a onebox for a hidden user's profile U...

BIT-DISCOURSE-2026-31869 Discourse: Composer mentions endpoint leaks hidden group membership through PM `allowed_names` check

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, the ComposerControllermentions endpoint reveals hidden group membership to any authenticated user who can message the group. By supplying allowednames referencing a hidden-membership group and...

BIT-DISCOURSE-2026-31805 Discourse has a poll authorization bypass via post_id array parameter

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, an authorization bypass in the poll plugin allowed authenticated users to vote on, remove votes from, or toggle the open/closed status of polls they did not have access to. By passing postid as an...

BIT-DISCOURSE-2026-30891 Discourse hasUnauthorized Exposure of Private User Action Types

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, a user could access another user's private activity due to insufficient authorization checks in the user actions endpoint. Versions 2026.3.0, 2026.2.1, and 2026.1.2 contain a patch...

BIT-DISCOURSE-2026-30889 Discourse has Unauthorized Post Data Exposure in discourse-user-notes

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, a moderator could exploit insufficient authorization checks to access metadata of posts they should not have permission to view. Versions 2026.3.0, 2026.2.1, and 2026.1.2 contain a patch...