CVE-2025-53634
Chall-Manager's HTTP Gateway is vulnerable to DoS due to missing header timeout in github.com/ctfer-io/chall-manager
7.5
HIGH
CVSS 3.1
EPSS 0.47%
Description
Chall-Manager's HTTP Gateway is vulnerable to DoS due to missing header timeout in github.com/ctfer-io/chall-manager
How to fix CVE-2025-53634
To remediate CVE-2025-53634, upgrade the affected package to a fixed version below.
- Go/github.com/ctfer-io/chall-manager—upgrade to 0.1.4 or later
- —upgrade to 0.1.4 or later
Is CVE-2025-53634 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.1.4
- from 0, < 0.1.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |