GO-2026-5314 OAuth2 Proxy has an Authorization Bypass in Email Domain Validation via Malformed Multi-@ Email Claims in github.com/oauth2-proxy/oauth2-proxy

OAuth2 Proxy has an Authorization Bypass in Email Domain Validation via Malformed Multi-@ Email Claims in github.com/oauth2-proxy/oauth2-proxy...

GO-2026-5393 Mattermost has an Incorrect Authorization issue in github.com/mattermost/mattermost-server

Mattermost has an Incorrect Authorization issue in github.com/mattermost/mattermost-server...

GO-2026-5349 free5GC NRF: type-confusion panic in POST /oauth2/token structured-form parser via Reflect.Set on incompatible types in github.com/free5gc/nrf

free5GC NRF: type-confusion panic in POST /oauth2/token structured-form parser via Reflect.Set on incompatible types in github.com/free5gc/nrf...

Improper Authorization

Overview Affected versions of this package are vulnerable to Improper Authorization through the web archive download endpoint. An attacker can access resources beyond their authorized token scope by sending crafted requests to this endpoint. Remediation Upgrade...

GO-2026-5341 OAuth2 Proxy's session cookies are not cleared when rendering sign-in page in github.com/oauth2-proxy/oauth2-proxy

OAuth2 Proxy's session cookies are not cleared when rendering sign-in page in github.com/oauth2-proxy/oauth2-proxy...

GO-2026-5333 Portainer missing authorization on custom template file endpoint, which exposes template content in github.com/portainer/portainer

Portainer missing authorization on custom template file endpoint, which exposes template content in github.com/portainer/portainer. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing...

GO-2026-5271 GitHub CLI has an incorrect authorization header in API requests to TUF repository mirrors via `gh attestation`, `gh release verify`, and `gh release verify-asset` commands in github.com/cli/cli

GitHub CLI has an incorrect authorization header in API requests to TUF repository mirrors via gh attestation, gh release verify, and gh release verify-asset commands in github.com/cli/cli...

GO-2026-5239 OpenFGA has cache-key delimiter injection in shared-iterator and v2 iterator that caches enables intra-store authorization-decision poisoning in github.com/openfga/openfga

OpenFGA has cache-key delimiter injection in shared-iterator and v2 iterator that caches enables intra-store authorization-decision poisoning in github.com/openfga/openfga...

GO-2026-5224 Kiota abstractions RedirectHandler leaks Cookie/Proxy-Authorization headers on cross-host redirect in github.com/microsoft/kiota-http-go

Kiota abstractions RedirectHandler leaks Cookie/Proxy-Authorization headers on cross-host redirect in github.com/microsoft/kiota-http-go...

GO-2026-5220 Arcane Backend: Missing admin authorization on git repository endpoints allows non-admin users to exfiltrate stored Git credentials and tamper with GitOps configs in github.com/getarcaneapp/arcane/backend

Arcane Backend: Missing admin authorization on git repository endpoints allows non-admin users to exfiltrate stored Git credentials and tamper with GitOps configs in github.com/getarcaneapp/arcane/backend...

GO-2026-5219 Grafana OSS: Authorization bypass allows users with Editor role to modify protected webhook URLs without permissions in github.com/grafana/grafana

Grafana OSS: Authorization bypass allows users with Editor role to modify protected webhook URLs without permissions in github.com/grafana/grafana. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this...

GO-2026-5183 DevGuard has improper authorization on public assets in github.com/l3montree-dev/devguard

DevGuard has improper authorization on public assets in github.com/l3montree-dev/devguard...

GO-2026-5180 Traefik has an StripPrefixRegex Middleware Authorization Bypass via Path/RawPath Desync in github.com/traefik/traefik

Traefik has an StripPrefixRegex Middleware Authorization Bypass via Path/RawPath Desync in github.com/traefik/traefik...

GHSA-W39P-VH2G-G8G5 LangGraph SDK has unsafe URL path construction

Summary langgraph-sdk constructs HTTP request paths for resource operations by interpolating caller-supplied identifier values into URL templates. Without sanitization of those values, identifiers that contain characters with special meaning in URL paths could cause the resulting request to addre...

GO-2026-5114 Vikunja Missing Authorization on CalDAV Task Read in code.vikunja.io/api

Vikunja Missing Authorization on CalDAV Task Read in code.vikunja.io/api. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability scanners, please...

GO-2026-5088 kcp's cache server is accessible without authentication or authorization checks in github.com/kcp-dev/kcp

kcp's cache server is accessible without authentication or authorization checks in github.com/kcp-dev/kcp...

GO-2026-5144 MCP Toolbox for Databases: authenticated authorization bypass in github.com/googleapis/mcp-toolbox

MCP Toolbox for Databases: authenticated authorization bypass in github.com/googleapis/mcp-toolbox...

GO-2026-5097 Heimdall has an authorization bypass via path normalization mismatch in github.com/dadrus/heimdall

Heimdall has an authorization bypass via path normalization mismatch in github.com/dadrus/heimdall...

GO-2026-5081 Gitea: Missing repository-unit authorization on issue-template API endpoints in code.gitea.io/gitea

Gitea: Missing repository-unit authorization on issue-template API endpoints in code.gitea.io/gitea...

GO-2026-5173 Mattermost has an Incorrect Authorization issue in github.com/mattermost/mattermost-server

Mattermost has an Incorrect Authorization issue in github.com/mattermost/mattermost-server...