# CVE-2026-33369: Other in n/a

> An authenticated attacker can exploit an LDAP injection in Zimbra's SOAP service to retrieve sensitive directory attributes.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 20 Mar 2026
- **Updated:** 23 Mar 2026
- **Also known as:** GHSA-w6g4-rxj3-w5c8

## What is CVE-2026-33369?

CVE-2026-33369 is a medium-severity vulnerability in Synacor Zimbra Collaboration Suite, published on 20 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Zimbra Collaboration (ZCS) 10.0 and 10.1 contains an LDAP injection vulnerability in the Mailbox SOAP service within a FolderAction operation. The application fails to properly sanitize user-supplied input before incorporating it into an LDAP search filter. An authenticated attacker can exploit this issue by sending a crafted SOAP request that manipulates the LDAP query, allowing retrieval of sensitive directory attributes.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2026-33369?

It affects 1 product.


Products: Synacor Zimbra Collaboration Suite.

## How do I fix CVE-2026-33369?

No fix has been published for CVE-2026-33369 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-33369 being exploited?

There is no known exploitation of CVE-2026-33369 in the wild and no public exploit code.

## Other vulnerabilities in Synacor Zimbra Collaboration Suite

- [CVE-2024-45519](https://insights.sbomify.com/CVE-2024-45519/): Synacor Zimbra Collaboration Suite (ZCS) Command Execution (critical 10.0, exploited in the wild)
- [CVE-2022-41352](https://insights.sbomify.com/CVE-2022-41352/): Synacor Zimbra Collaboration Suite (ZCS) Arbitrary File Upload (critical 9.8, exploited in the wild)
- [CVE-2022-37042](https://insights.sbomify.com/CVE-2022-37042/): Synacor Zimbra Collaboration Suite (ZCS) Authentication Bypass (critical 9.8, exploited in the wild)
- [CVE-2022-27924](https://insights.sbomify.com/CVE-2022-27924/): Synacor Zimbra Collaboration Suite (ZCS) Command Injection (critical 9.8, exploited in the wild)
- [CVE-2020-7796](https://insights.sbomify.com/CVE-2020-7796/): Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery (critical 9.8, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-33369 and fix it if it is affected.

What it is: CVE-2026-33369 is a medium-severity vulnerability in Synacor Zimbra Collaboration Suite, published on 20 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-33369 in the wild and no public exploit code.

Affected product: Synacor Zimbra Collaboration Suite. 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-2026-33369/ (Markdown: https://insights.sbomify.com/CVE-2026-33369/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-33369
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-33369
- OSV: https://osv.dev/vulnerability/CVE-2026-33369

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-33369/
Summaries are generated and may contain mistakes; the official description above is the record.