# CVE-2026-29105: SuiteCRM has Unauthenticated Open Redirect in Leads WebToLead Capture

> Attackers can redirect users to malicious sites via unvalidated POST parameters in WebToLead, enabling phishing attacks against SuiteCRM users.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 19 Mar 2026
- **Updated:** 20 Mar 2026
- **Also known as:** GHSA-9crg-83cg-wv74

## What is CVE-2026-29105?

CVE-2026-29105 is a medium-severity vulnerability in SuiteCRM, published on 19 Mar 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

SuiteCRM is an open-source, enterprise-ready Customer Relationship Management (CRM) software application. Prior to versions 7.15.1 and 8.9.3, SuiteCRM contains an unauthenticated open redirect vulnerability in the WebToLead capture functionality. A user-supplied POST parameter is used as a redirect destination without validation, allowing attackers to redirect victims to arbitrary external websites. This vulnerability allows attackers to abuse the trusted SuiteCRM domain for phishing and social engineering attacks by redirecting users to malicious external websites. Versions 7.15.1 and 8.9.3 patch the issue.

Weakness: CWE-601 (URL Redirection to Untrusted Site)

## Which versions are affected by CVE-2026-29105?

It affects 1 product.


Products: Suitecrm Suitecrm.

## How do I fix CVE-2026-29105?

No fix has been published for CVE-2026-29105 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-29105 being exploited?

There is no known exploitation of CVE-2026-29105 in the wild and no public exploit code.

## Other vulnerabilities in SuiteCRM

- [CVE-2026-29103](https://insights.sbomify.com/CVE-2026-29103/): SuiteCRM Vulnerable to Remote Code Execution via Module Loader Package Scanner Bypass (critical 9.1)
- [CVE-2026-29099](https://insights.sbomify.com/CVE-2026-29099/): SuiteCRM has Authenticated Blind SQL Injection in OutboundEmail Legacy Functionality. (high 8.8)
- [CVE-2026-33288](https://insights.sbomify.com/CVE-2026-33288/): SuiteCRM has Authenticated SQL Injection in Authentication Module (high 8.8)
- [CVE-2026-33289](https://insights.sbomify.com/CVE-2026-33289/): SuiterCRM has LDAP Filter Injection in Authentication Module (high 8.8)
- [CVE-2026-29109](https://insights.sbomify.com/CVE-2026-29109/): SuiteCRM Authenticated Remote Code Execution via Unsafe Deserialization in SavedSearch Filter Processing (high 8.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-29105 and fix it if it is affected.

What it is: CVE-2026-29105 is a medium-severity vulnerability in SuiteCRM, published on 19 Mar 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-29105 in the wild and no public exploit code.

Affected product: SuiteCRM. No package-level version data is available, so check the vendor advisory linked from the reference page.

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-2026-29105/ (Markdown: https://insights.sbomify.com/CVE-2026-29105/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-29105
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-29105
- OSV: https://osv.dev/vulnerability/CVE-2026-29105

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-29105/
Summaries are generated and may contain mistakes; the official description above is the record.