Go/github.com/dadrus/heimdall CVE-2026-42274: high 7.8, EPSS 0.37%

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

Action: Upgrade github.com/dadrus/heimdall to 0.17.14 or later.

go get github.com/dadrus/heimdall@v0.17.14

Affected

Fixed versions

Sources

• osv: GO-2026-5097
• nvd: CVE-2026-42274
• https://github.com/dadrus/heimdall/security/advisories/GHSA-3q34-rx83-r6mq
• https://github.com/dadrus/heimdall/commit/b5dfa484b7a8c2ce6d8691c026f9da867719947a
• https://github.com/dadrus/heimdall/pull/3209
• https://github.com/dadrus/heimdall/releases/tag/v0.17.14
• https://www.envoyproxy.io/docs/envoy/latest/api-v3/extensions/filters/network/http_connection_manager/v3/http_connection_manager.proto#envoy-v3-api-field-extensions-filters-network-http-connection-manager-v3-httpconnectionmanager-normalize-path

CVE-2026-42274 · published 2026-06-25T18:26:48Z · modified 2026-06-25T18:45:20.857670953Z · JSON