# Mettle vulnerabilities

Source: https://junglewise.ai/threats/vendors/mettle  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/mettle.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in Mettle: 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-111358, was published on 15 October 2026. 1 vulnerability in the last four weeks, up from none in the four before. 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 1
- Last 90 days: 1
- All time: 5 (0 critical, 0 exploited in the wild)

## About Mettle

Mettle is a software development studio that creates open-source tools and applications.

## Latest Mettle vulnerabilities

- [CVE-2026-111358: SendPortal sendportal-core authorization bypass in subscriber tagging](https://junglewise.ai/threats/cve-2026-111358-sendportal-sendportal-core-through-4-0-1-contains-an) (medium, CVSS 5.4, published 15 Oct 2026)
- [CVE-2026-26483: Mettle SendPortal stored XSS in template management](https://junglewise.ai/threats/cve-2026-26483-mettle-sendportal-stored-xss-in-template-management) (info, CVSS 0, published 20 Jul 2026)
- [CVE-2026-15192: Mettle SendPortal missing authentication in APIv1 Webhooks](https://junglewise.ai/threats/cve-2026-15192-mettle-sendportal-missing-authentication-in-apiv1-webhooks) (medium, CVSS 6.5, published 9 Jul 2026)
- [CVE-2026-15191: Mettle SendPortal authorization bypass in Campaign Creation Endpoint](https://junglewise.ai/threats/cve-2026-15191-mettle-sendportal-authorization-bypass-in-campaign-creation) (medium, CVSS 6.3, published 9 Jul 2026)
- [CVE-2026-10234: Mettle Sendportal stored XSS in Campaign webview](https://junglewise.ai/threats/cve-2026-10234-mettle-sendportal-stored-xss-in-campaign-webview) (low, CVSS 3.5, published 1 Jun 2026)

## Most severe Mettle vulnerabilities

- [CVE-2026-15192: Mettle SendPortal missing authentication in APIv1 Webhooks](https://junglewise.ai/threats/cve-2026-15192-mettle-sendportal-missing-authentication-in-apiv1-webhooks) (medium, CVSS 6.5, published 9 Jul 2026)
- [CVE-2026-15191: Mettle SendPortal authorization bypass in Campaign Creation Endpoint](https://junglewise.ai/threats/cve-2026-15191-mettle-sendportal-authorization-bypass-in-campaign-creation) (medium, CVSS 6.3, published 9 Jul 2026)
- [CVE-2026-111358: SendPortal sendportal-core authorization bypass in subscriber tagging](https://junglewise.ai/threats/cve-2026-111358-sendportal-sendportal-core-through-4-0-1-contains-an) (medium, CVSS 5.4, published 15 Oct 2026)
- [CVE-2026-10234: Mettle Sendportal stored XSS in Campaign webview](https://junglewise.ai/threats/cve-2026-10234-mettle-sendportal-stored-xss-in-campaign-webview) (low, CVSS 3.5, published 1 Jun 2026)
- [CVE-2026-26483: Mettle SendPortal stored XSS in template management](https://junglewise.ai/threats/cve-2026-26483-mettle-sendportal-stored-xss-in-template-management) (info, CVSS 0, published 20 Jul 2026)

## Vulnerabilities per week

1 vulnerability in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 1 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Mettle technologies

- [Mettle Sendportal](https://junglewise.ai/threats/technologies/sendportal): 4 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Mettle vulnerabilities", https://junglewise.ai/threats/vendors/mettle, 9 November 2026.