GHSA-WVM9-9G5J-623F Open WebUI: Users denied by the OAuth role policy can still sign in via token exchange

Summary Open WebUI's OAuth token exchange endpoint issues a session for a provider access token without running the OAuth role management that the normal OAuth login callback runs. A user whose provider roles the login callback would refuse, or would demote, could still obtain a working session a...

GHSA-CW9W-VV67-HF73 n8n: Per-Resource OAuth Consent Bypass via Unbound Refresh Token Resource Substitution

Impact The OAuth token endpoint bound an authorization code's first access token to the consented resource, but not its refresh token. Refreshing only checked that the requested resource was registered, not that it matched the original grant. An OAuth client approved for one workflow could refres...

EUVD-2026-73162

n8n: Per-Resource OAuth Consent Bypass via Unbound Refresh Token Resource Substitution...

n8n: Per-Resource OAuth Consent Bypass via Unbound Refresh Token Resource Substitution

Impact The OAuth token endpoint bound an authorization code's first access token to the consented resource, but not its refresh token. Refreshing only checked that the requested resource was registered, not that it matched the original grant. An OAuth client approved for one workflow could refres...

NPM: n8n: Per-Resource OAuth Consent Bypass via Unbound Refresh Token Resource Substitution

NPM: n8n: Per-Resource OAuth Consent Bypass via Unbound Refresh Token Resource Substitution vulnerability discovered by ? in WordPress Npm n8n versions 2.37.7...

EUVD-2026-74279

n8n: Anonymous Approval-Gate Bypass via Reused resumeToken over the Chat WebSocket...

CVE-2026-84432

Concrete CMS 9 through 9.5.2 did not validate an anti-CSRF token in the Boards custom slot dialog controller concrete/controllers/dialog/board/customslot.php saveTemplate action. The action created a boardslotproxy Block and dispatched an AddCustomSlotToBoardCommand against a board instance while...

CVE-2026-84432 Concrete CMS 9 through 9.5.2 is vulnerable to CSRFin the Boards custom slot dialog controller

Concrete CMS 9 through 9.5.2 did not validate an anti-CSRF token in the Boards custom slot dialog controller concrete/controllers/dialog/board/customslot.php saveTemplate action. The action created a boardslotproxy Block and dispatched an AddCustomSlotToBoardCommand against a board instance while...

CVE-2026-84432 Concrete CMS 9 through 9.5.2 is vulnerable to CSRFin the Boards custom slot dialog controller

Concrete CMS 9 through 9.5.2 did not validate an anti-CSRF token in the Boards custom slot dialog controller concrete/controllers/dialog/board/customslot.php saveTemplate action. The action created a boardslotproxy Block and dispatched an AddCustomSlotToBoardCommand against a board instance while...

EUVD-2026-75706

Concrete CMS 9 through 9.5.2 did not validate an anti-CSRF token in the Boards custom slot dialog controller concrete/controllers/dialog/board/customslot.php saveTemplate action. The action created a boardslotproxy Block and dispatched an AddCustomSlotToBoardCommand against a board instance while...

CVE-2026-84432 Concrete CMS 9 through 9.5.2 is vulnerable to CSRFin the Boards custom slot dialog controller

Concrete CMS 9 through 9.5.2 did not validate an anti-CSRF token in the Boards custom slot dialog controller concrete/controllers/dialog/board/customslot.php saveTemplate action. The action created a boardslotproxy Block and dispatched an AddCustomSlotToBoardCommand against a board instance while...

CVE-2026-87107

Consul and Consul Enterprise are vulnerable to an authorization bypass in the catalog deregistration path that may allow a local ACL token to delete peer-imported catalog objects. A caller with service:write or node:write permission may exploit this issue to remove services, checks, or nodes...

CVE-2026-87107 Consul vulnerable to an authorization bypass in the catalog deregistration path

Consul and Consul Enterprise are vulnerable to an authorization bypass in the catalog deregistration path that may allow a local ACL token to delete peer-imported catalog objects. A caller with service:write or node:write permission may exploit this issue to remove services, checks, or nodes...

CVE-2026-87107 Consul vulnerable to an authorization bypass in the catalog deregistration path

Consul and Consul Enterprise are vulnerable to an authorization bypass in the catalog deregistration path that may allow a local ACL token to delete peer-imported catalog objects. A caller with service:write or node:write permission may exploit this issue to remove services, checks, or nodes...

EUVD-2026-75699

Consul and Consul Enterprise are vulnerable to an authorization bypass in the catalog deregistration path that may allow a local ACL token to delete peer-imported catalog objects. A caller with service:write or node:write permission may exploit this issue to remove services, checks, or nodes...

CVE-2026-87107

Consul and Consul Enterprise are affected by an authorization bypass in the catalog deregistration path. A caller holding only service:write or node:write ACL permissions can deregister peer-imported catalog objects (services, checks, or nodes) without possessing authority over the originating pe...

CVE-2026-87107

Consul and Consul Enterprise are vulnerable to an authorization bypass in the catalog deregistration path that may allow a local ACL token to delete peer-imported catalog objects. A caller with service:write or node:write permission may exploit this issue to remove services, checks, or nodes...

CVE-2026-87107 Consul vulnerable to an authorization bypass in the catalog deregistration path

Consul and Consul Enterprise are vulnerable to an authorization bypass in the catalog deregistration path that may allow a local ACL token to delete peer-imported catalog objects. A caller with service:write or node:write permission may exploit this issue to remove services, checks, or nodes...

Consul vulnerable to an authorization bypass in the catalog deregistration path

Summary Consul and Consul Enterprise are vulnerable to an authorization bypass in the catalog deregistration path that may allow a local ACL token to delete peer-imported catalog objects. A caller with service:write or node:write permission may exploit this issue to remove services, checks, or...

Consul vulnerable to an authorization bypass in the catalog node-write path

Summary Consul and Consul Enterprise are vulnerable to an authorization bypass in the catalog node-write path that may allow an authenticated attacker to delete another node’s catalog registration and take over its node identity. An attacker with a token granting node-write permission on any sing...