CVE-2025-53632CRITICAL 9.1EPSS p49.0%

CVE-2025-53632CVE-2025-53632

Description

Chall-Manager is a platform-agnostic system able to start Challenges on Demand of a player. When decoding a scenario (i.e. a zip archive), the path of the file to write is not checked, potentially leading to zip slips. Exploitation does not require authentication nor authorization, so anyone can exploit it. It should nonetheless not be exploitable as it is highly recommended to bury Chall-Manager deep within the infrastructure due to its large capabilities, so no users could reach the system. Patch has been implemented by commit 47d188f and shipped in v0.1.4.

Scoring

CVSS 3.19.1 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS0.72% probability of exploitation · percentile 49.0% · 2026-06-19T12:03:05Z
Published2025-07-10
Last modified2025-08-14

Underlying weaknesses· 1

CWE-22

References

  1. https://github.com/ctfer-io/chall-manager/commit/47d188fda5e3f86285e820f12ad9fb6f9930662c
  2. https://github.com/ctfer-io/chall-manager/releases/tag/v0.1.4
  3. https://github.com/ctfer-io/chall-manager/security/advisories/GHSA-3gv2-v3jx-r9fh

1

TypeTargetConfidenceTier
WeaknessImproper Limitation of a Pathname to a Restricted Directory ('Path Traversal')cwe-220%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.