CVE-2025-53634: Chall-Manager's HTTP Gateway is vulnerable to DoS due to missing header timeout

CVE-2025-53634 · Severity: low · CVSS 3.1 · Published 2025-07-28

Chall-Manager's HTTP Gateway is vulnerable to DoS due to missing header timeout in github.com/ctfer-io/chall-manager

Technologies: github.com/ctfer-io/chall-manager (Go). Vendors: Go.

Quick answers

Is CVE-2025-53634 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-53634 being exploited in the wild.
How severe is CVE-2025-53634?
Low severity, with a CVSS score of 3.1, published 28 July 2025.
Which products and versions are affected?
github.com/ctfer-io/chall-manager (Go) SEMVER:introduced=0,fixed=0.1.4.
Is there a fix for CVE-2025-53634?
Yes. github.com/ctfer-io/chall-manager (Go): upgrade to 0.1.4 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-53634?
Check whether you run github.com/ctfer-io/chall-manager (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/ctfer-io/chall-manager (Go): upgrade to 0.1.4 or later
    go get github.com/ctfer-io/chall-manager@v0.1.4

Affected products

  • github.com/ctfer-io/chall-manager (Go) SEMVER:introduced=0,fixed=0.1.4

Identifiers

  • CVE-2025-53634
  • GHSA-ggmv-j932-q89q
  • GO-2025-3809

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