# CVE-2025-41074: Multiple vulnerabilities in Limesurvey

> An attacker can cause a Denial of Service in LimeSurvey by triggering infinite HTTP redirects on the /optout endpoint, exhausting server or client resources.

- **Severity:** Medium 6.9 (`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`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 20 Nov 2025
- **Updated:** 20 Nov 2025
- **Also known as:** BIT-limesurvey-2025-41074, GHSA-2m7v-wmjf-9gq6

## What is CVE-2025-41074?

CVE-2025-41074 is a medium-severity denial of service vulnerability in Limesurvey Limesurvey, published on 20 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

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.

Weakness: CWE-835 (Loop with Unreachable Exit Condition)

## Which versions are affected by CVE-2025-41074?

1 open source package ship an affected version, including limesurvey. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `limesurvey` | Bitnami | From 6.13.0 | 6.15.5 |

Products: Limesurvey Limesurvey.

## How do I fix CVE-2025-41074?

Upgrade limesurvey to 6.15.5 or later.

## Is CVE-2025-41074 being exploited?

There is no known exploitation of CVE-2025-41074 in the wild and no public exploit code.

## Other vulnerabilities in Limesurvey Limesurvey

- [CVE-2025-56422](https://insights.sbomify.com/CVE-2025-56422/): Deserialization in n/a (critical 9.8)
- [CVE-2022-48008](https://insights.sbomify.com/CVE-2022-48008/): File upload in n/a (critical 9.8)
- [CVE-2019-25019](https://insights.sbomify.com/CVE-2019-25019/): SQL injection in n/a (critical 9.8)
- [CVE-2020-11455](https://insights.sbomify.com/CVE-2020-11455/): Path traversal in n/a (critical 9.8)
- [CVE-2019-16184](https://insights.sbomify.com/CVE-2019-16184/): Code injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-41074 and fix it if it is affected.

What it is: CVE-2025-41074 is a medium-severity denial of service vulnerability in Limesurvey Limesurvey, published on 20 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-41074 in the wild and no public exploit code.

Affected packages and fixed versions:
- limesurvey (Bitnami): affected from 6.13.0; fixed in 6.15.5

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-41074/ (Markdown: https://insights.sbomify.com/CVE-2025-41074/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-41074
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-41074
- OSV: https://osv.dev/vulnerability/CVE-2025-41074

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-41074/
Summaries are generated and may contain mistakes; the official description above is the record.