# CVE-2024-52032: Private channel names leaking when Elasticsearch is enabled

> CVE-2024-52032: Private channel names leaking when Elasticsearch is enabled. CVSS 4.3 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2024-52032
Last updated: 2026-06-17T08:06:51Z

- Published: 2024-11-09 17:19 UTC · Updated: 2026-06-17 08:06 UTC · Assigner: Mattermost
- CVSS: 4.3 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- EPSS: 0.30%, 22th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-200

## Description

Mattermost versions 10.0.x \<= 10.0.0 and 9.11.x \<= 9.11.2 fail to properly query ElasticSearch when searching for the channel name in channel switcher which allows an attacker to get private channels names of channels that they are not a member of, when Elasticsearch v8 was enabled.

## Affected vendors and products

- Mattermost: Mattermost

## Tracked companies

- [Mattermost](https://rewindex.com/company/mattermost.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2024-52032)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2024-52032)
- [https://mattermost.com/security-updates](https://mattermost.com/security-updates)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2024-52032 · Markdown: https://rewindex.com/cve/CVE-2024-52032.md · JSON: https://rewindex.com/api/v1/cves/CVE-2024-52032 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T04:04:02.442Z