CVE-2025-59833

FlagForgeCTF Hint Exposure via API

State
Published
Severity
7.5 High
Published
Sep 24, 2025
Updated
Sep 24, 2025
Reserved
Sep 22, 2025

Read the record on cve.org

Description

Flag Forge is a Capture The Flag (CTF) platform. In versions from 2.1.0 to before 2.3.0, the API endpoint GET /api/problems/:id returns challenge hints in plaintext within the question object, regardless of whether the user has unlocked them via point deduction. Users can view all hints for free, undermining the business logic of the platform and reducing the integrity of the challenge system. This issue has been patched in version 2.3.0.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NGitHub_M

Weaknesses

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Affected Products

ProductVersions
flagForgeFlagForgeCTF
  • >= 2.1.0, < 2.3.0Affected

References

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