All vulnerabilities

Servers and applications

CVE-2025-41074

Vulnerability in LimeSurvey 6.13.0 in the endpoint /optout that causes infinite HTTP redirects when accessed directly. This behavior can be exploited to generate a Denegation of Service (DoS attack), by exhausting server or client resources. The system is unable to break the redirect loop, which can cause service degradation or browser instability.

Severity
Medium 6.9
Published
20 Nov 2025
Last changed
19 Oct 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
LimeSurveyServers and applications · cpe:a:limesurvey:limesurvey
  • Version 6.13.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-41074
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-41074