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VulnerabilityPublished Updated

CVE-2025-41074: LimeSurvey · Infinite Loop

Source GCVE Database

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Authoritative record:CVE-2025-41074· Medium 6.9

Not known to be exploited · CVSS 6.9 Medium.

Data as of 15 Nov 2026, 01:52 UTC

CVSS 4.0 base score
6.9Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (INCIBE)CVSS 4.06.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 20 Nov 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 14 Nov 2026.

What to do

AI-suggested

In the absence of an official fix, consider restricting direct access to the /optout endpoint or implementing rate limiting to mitigate potential DoS attacks.

Description

LimeSurvey version 6.13.0 contains a vulnerability in the /optout endpoint that causes infinite HTTP redirects when accessed directly. This redirect loop can be exploited to cause a Denial of Service (DoS) by exhausting server or client resources, leading to service degradation or browser instability.

References

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