10783 matches found
CVE-2026-26308
Envoy CVE-2026-26308 affects the Envoy RBAC filter. The issue arises from how multiple HTTP header values are validated: instead of validating each value separately, Envoy concatenates all values into a single comma-separated string, allowing bypass of Deny rules under RBAC. Affects versions prio...
EUVD-2026-10799
Envoy is a high-performance edge/middle/service proxy. Prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13, the Envoy RBAC Role-Based Access Control filter contains a logic vulnerability in how it validates HTTP headers when multiple values are present for the same header name. Instead of validating eac...
CVE-2026-26308 Envoy has an RBAC Header Validation Bypass via Multi-Value Header Concatenation
Envoy is a high-performance edge/middle/service proxy. Prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13, the Envoy RBAC Role-Based Access Control filter contains a logic vulnerability in how it validates HTTP headers when multiple values are present for the same header name. Instead of validating eac...
CVE-2026-26308 Envoy has an RBAC Header Validation Bypass via Multi-Value Header Concatenation
Envoy is a high-performance edge/middle/service proxy. Prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13, the Envoy RBAC Role-Based Access Control filter contains a logic vulnerability in how it validates HTTP headers when multiple values are present for the same header name. Instead of validating eac...
CVE-2026-27826
MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to version 0.17.0, an unauthenticated attacker who can reach the mcp-atlassian HTTP endpoint can force the server process to make outbound HTTP requests to an arbitrary attacker-controlled URL b...
Envoy has RBAC Header Validation Bypass via Multi-Value Header Concatenation
Summary The Envoy RBAC Role-Based Access Control filter contains a logic vulnerability in how it validates HTTP headers when multiple values are present for the same header name. Instead of validating each header value individually, Envoy concatenates all values into a single comma-separated...
EUVD-2026-10798
Envoy has RBAC Header Validation Bypass via Multi-Value Header Concatenation...
PT-2026-24377
Name of the Vulnerable Software and Affected Versions Envoy versions prior to 1.37.1 Envoy versions prior to 1.36.5 Envoy versions prior to 1.35.8 Envoy versions prior to 1.34.13 Description Envoy is a high-performance edge/middle/service proxy. The Envoy RBAC Role-Based Access Control filter has...
PT-2026-24626
Summary The Envoy RBAC Role-Based Access Control filter contains a logic vulnerability in how it validates HTTP headers when multiple values are present for the same header name. Instead of validating each header value individually, Envoy concatenates all values into a single comma-separated...
PT-2026-24489
Istio is an open platform to connect, manage, and secure microservices. Prior to 1.29.1, 1.28.5, and 1.27.8, a vulnerability in Envoy RBAC header matching could allow authorization policy bypass when policies rely on HTTP headers that may contain multiple values. An attacker could craft requests...
EUVD-2026-10394
SiYuan is a personal knowledge management system. Prior to 3.5.10, a privilege escalation vulnerability exists in the publish service of SiYuan Note that allows low-privilege publish accounts RoleReader to modify notebook content via the /api/block/appendHeadingChildren API endpoint. The endpoint...
CVE-2026-30926 SiYuan Note publish service authorization bypass allows low-privilege users to modify notebook content
SiYuan is a personal knowledge management system. Prior to 3.5.10, a privilege escalation vulnerability exists in the publish service of SiYuan Note that allows low-privilege publish accounts RoleReader to modify notebook content via the /api/block/appendHeadingChildren API endpoint. The endpoint...
CVE-2026-25045 Budibase Critical Privilege Escalation & IDOR via Missing RBAC on User Role Management (Creator-Role)
Budibase is a low code platform for creating internal tools, workflows, and admin panels. This issue is a combination of Vertical Privilege Escalation and IDOR Insecure Direct Object Reference due to missing server-side RBAC checks in the /api/global/users endpoints. A Creator-level user, who...
CVE-2026-25045 Budibase Critical Privilege Escalation & IDOR via Missing RBAC on User Role Management (Creator-Role)
Budibase is a low code platform for creating internal tools, workflows, and admin panels. This issue is a combination of Vertical Privilege Escalation and IDOR Insecure Direct Object Reference due to missing server-side RBAC checks in the /api/global/users endpoints. A Creator-level user, who...
CVE-2026-25045
Budibase (backend API /api/global/users) is affected by a missing server-side RBAC check allowing Creator-level users to elevate privileges (e.g., promote Tenant Admin, demote Admin, modify Owner) and perform IDOR actions, leading to full tenant compromise. Root cause: RBAC checks not enforced se...
CVE-2026-25045 Budibase Critical Privilege Escalation & IDOR via Missing RBAC on User Role Management (Creator-Role)
Budibase is a low code platform for creating internal tools, workflows, and admin panels. This issue is a combination of Vertical Privilege Escalation and IDOR Insecure Direct Object Reference due to missing server-side RBAC checks in the /api/global/users endpoints. A Creator-level user, who...
CVE-2026-3638
Improper access control in user and role restore API endpoints in Devolutions Server 2025.3.11.0 and earlier allows a low-privileged authenticated user to restore deleted users and roles via crafted API requests...
Netmaker has Privilege Escalation from Admin to Super-Admin via User Update
The user update handler PUT /api/users/username lacks validation to prevent an admin-role user from assigning the super-admin role during account updates. While the code correctly blocks an admin from assigning the admin role to another user, it does not include an equivalent check for the...
GHSA-CH3W-9456-38V3 Netmaker has Privilege Escalation from Admin to Super-Admin via User Update
The user update handler PUT /api/users/username lacks validation to prevent an admin-role user from assigning the super-admin role during account updates. While the code correctly blocks an admin from assigning the admin role to another user, it does not include an equivalent check for the...