CVE-2026-32811: GO-2026-4742 - Heimdall: Path received via Envoy gRPC corrupted when containing query string in github.com/dadrus/heimdall

CVE-2026-32811 · Severity: low · CVSS 3.1 · Published 2026-03-23

Heimdall: Path received via Envoy gRPC corrupted when containing query string in github.com/dadrus/heimdall

Technologies: github.com/dadrus/heimdall (Go). Vendors: Go.

Quick answers

Is CVE-2026-32811 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-32811 being exploited in the wild.
How severe is CVE-2026-32811?
Low severity, with a CVSS score of 3.1, published 23 March 2026.
Which products and versions are affected?
github.com/dadrus/heimdall (Go) SEMVER:introduced=0.7.0-alpha,fixed=0.17.11.
Is there a fix for CVE-2026-32811?
Yes. github.com/dadrus/heimdall (Go): upgrade to 0.17.11 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-32811?
Check whether you run github.com/dadrus/heimdall (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/dadrus/heimdall (Go): upgrade to 0.17.11 or later
    go get github.com/dadrus/heimdall@v0.17.11

Affected products

  • github.com/dadrus/heimdall (Go) SEMVER:introduced=0.7.0-alpha,fixed=0.17.11

Identifiers

  • CVE-2026-32811
  • GHSA-r8x2-fhmf-6mxp
  • GO-2026-4742

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