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VulnerabilityPublished Updated

CVE-2024-11716: CTFd · Improper Enforcement of a Single, Unique Action

Affects CTFdSource GCVE Database

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Not known to be exploited · CVSS 5.3 Medium · fixed in 3.7.5 : update CTFd when convenient.

Data as of 30 Oct 2026, 02:11 UTC

CVSS 4.0 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (CERT-PL)CVSS 4.05.3
Patch
Available – fixed in 3.7.5
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 Jan 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
CTFd CTFdAffected
  • =3.7.0
  • >=3.7.0 <=3.7.4
Fixed in–

AI-suggested

Upgrade CTFd to version 3.7.5 or later, where the issue is fixed by the changes introduced in pull request 2636. No other mitigation is indicated by the vendor advisory.

Description

CVE-2024-11716 is a logic flaw in CTFd versions 3.7.0 through 3.7.4 that allows an authenticated user to reset their team assignment during an ongoing competition and join another team. This violates the intended rule that a user can only be assigned to a team once at registration. The issue was fixed in version 3.7.5.

References

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