EUVD-2026-60540

Mattermost versions 11.7.x = 11.7.6, 10.11.x = 10.11.21, 11.8.x = 11.8.3 fail to validate BoardMember.Scheme fields server-side on insert and archive-import paths which allows a board editor or non-guest team member to grant board admin to arbitrary users via POST /api/v2/boards/boardID/members a...

PT-2026-77272

Name of the Vulnerable Software and Affected Versions GBIF Integrated Publishing Toolkit versions prior to 3.3.4 Description Remote authenticated attackers can access server-side files and state through template injection. This occurs because the template engine improperly interprets untrusted...

PT-2026-77177

MyBB is free and open source forum software. Prior to 1.8.40, the remote requests feature does not correctly handle IPv6 addresses, resulting in a server-side request forgery vulnerability. The default disallowed remote hosts list does not include IPv6 addresses. Verification in fetch remote file...

PT-2026-77054

Unauthenticated Server Side Request Forgery SSRF in OttoKit = 1.1.35 versions...

CVE-2026-75829: Improper Neutralization of Special Elements Used in a Template Engine

grav-plugin-api versions before 1.0.15 fail to validate Twig content in the translate endpoint, allowing attackers with api.pages.write permission to persist pages with process.twig enabled. Attackers can submit crafted header and content parameters to execute server-side template injection...

PT-2026-77305

FUXA is a web-based Process Visualization SCADA/HMI/Dashboard software. In 1.3.2 and earlier, the device-webapi-request Socket.IO handler in server/runtime/index.js permits an authenticated non-admin runtime user to control property.address, causing the FUXA server to issue an outbound HTTP or...

PT-2026-76929

grav-plugin-api versions before 1.0.15 fail to validate Twig content in the translate endpoint, allowing attackers with api.pages.write permission to persist pages with process.twig enabled. Attackers can submit crafted header and content parameters to execute server-side template injection...

CVE-2026-49452: Improper Neutralization of Special Elements in Output Used by a Downstream Component

WeasyPrint helps web developers to create PDF documents. Prior to 69.0, WeasyPrint embeds unescaped HTML presentational-hint attribute values into CSS in weasyprint/css/init.py when presentationalhints=True. The background attribute is inserted into a background-image:url declaration and parsed b...

CVE-2026-55166: Improper Authorization

Lemur manages TLS certificate creation. Prior to 1.9.2, authenticated users could influence an ACME authority acmeurl without an effective server-side destination restriction and trigger AcmeHandler.setupacmeclient to make backend requests. An attacker could target cloud instance metadata or...

CVE-2026-59940: Deserialization of Untrusted Data

Seroval facilitates JS value stringification, including complex structures beyond JSON.stringify capabilities. Prior to 1.5.3, seroval.fromJSON allows attacker-controlled JSON Promise control nodes to operate on values from the general deserialization reference table without verifying genuine...

CVE-2026-71880: Improper Neutralization of Special Elements Used in a Template Engine

Interpretation of untrusted input in template engine in GBIF Integrated Publishing Toolkit versions before 3.3.4 allows remote authenticated attackers to access server-side files and state via template injection...

PT-2026-79999

Server-side request forgery ssrf in Microsoft PowerShell Core allows an unauthorized attacker to disclose information over a network...

PT-2026-77281

Name of the Vulnerable Software and Affected Versions Lemur versions prior to 1.9.3 Description An issue exists where the validate acme url function fails to enforce the ACME DIRECTORY HOST ALLOWLIST when updating authority options via the 'PUT /api/1/authorities/' endpoint. A user with an...

CVE-2026-9816

Mattermost versions 11.7.x = 11.7.6, 10.11.x = 10.11.21, 11.8.x = 11.8.3 fail to validate BoardMember.Scheme fields server-side on insert and archive-import paths which allows a board editor or non-guest team member to grant board admin to arbitrary users via POST /api/v2/boards/boardID/members a...

CVE-2026-56677

9Router is an AI router & token saver. In 0.5.4 and earlier, the POST /api/auth/oidc/test endpoint in src/app/api/auth/oidc/test/route.js passes the user-controlled issuerUrl parameter to fetchOidcDiscovery in src/lib/auth/oidc.js without restricting private or loopback destinations, allowing...

CVE-2026-9816 Insufficient server-side validation of board member role fields permits privilege escalation

Mattermost versions 11.7.x = 11.7.6, 10.11.x = 10.11.21, 11.8.x = 11.8.3 fail to validate BoardMember.Scheme fields server-side on insert and archive-import paths which allows a board editor or non-guest team member to grant board admin to arbitrary users via POST /api/v2/boards/boardID/members a...

CVE-2026-9816 Insufficient server-side validation of board member role fields permits privilege escalation

Mattermost versions 11.7.x = 11.7.6, 10.11.x = 10.11.21, 11.8.x = 11.8.3 fail to validate BoardMember.Scheme fields server-side on insert and archive-import paths which allows a board editor or non-guest team member to grant board admin to arbitrary users via POST /api/v2/boards/boardID/members a...

CVE-2026-9816 Insufficient server-side validation of board member role fields permits privilege escalation

Mattermost versions 11.7.x = 11.7.6, 10.11.x = 10.11.21, 11.8.x = 11.8.3 fail to validate BoardMember.Scheme fields server-side on insert and archive-import paths which allows a board editor or non-guest team member to grant board admin to arbitrary users via POST /api/v2/boards/boardID/members a...

CVE-2026-9816

Mattermost versions 11.7.x = 11.7.6, 10.11.x = 10.11.21, 11.8.x = 11.8.3 fail to validate BoardMember.Scheme fields server-side on insert and archive-import paths which allows a board editor or non-guest team member to grant board admin to arbitrary users via POST /api/v2/boards/boardID/members a...

CVE-2026-9816

Mattermost 11.7.x (≤11.7.6), 10.11.x (≤10.11.21), and 11.8.x (≤11.8.3) lack server-side validation of BoardMember.Scheme* fields on insert and archive-import paths, allowing board editors or non-guest team members to grant Board Admin to arbitrary users via POST /api/v2/boards/{boardID}/members a...