# Octobercms vulnerabilities

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

Junglewise Threat Intelligence has tracked 4 vulnerabilities in Octobercms: 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-2026-100909, was published on 28 September 2026. Nothing in the last four weeks, down from 1 vulnerability in the four before. 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 1
- All time: 4 (0 critical, 0 exploited in the wild)

## About Octobercms

The organization responsible for the development and maintenance of the OctoberCMS content management system.

## Latest Octobercms vulnerabilities

- [CVE-2026-100909: OctoberCMS stream wrapper injection in ResizeImages](https://junglewise.ai/threats/cve-2026-100909-a-vulnerability-was-found-in-octobercms-up-to-4-1-19-4-2-25-4-3) (high, CVSS 7.3, published 28 Sep 2026)
- [CVE-2026-24907: October CMS has Stored XSS in Event Log Mail Preview](https://junglewise.ai/threats/cve-2026-24907-october-cms-has-stored-xss-in-event-log-mail-preview) (medium, CVSS 5.4, published 14 Apr 2026)
- [CVE-2026-24906: October CMS has Stored XSS in Backend Editor Markup Classes](https://junglewise.ai/threats/cve-2026-24906-october-cms-has-stored-xss-in-backend-editor-markup-classes) (medium, CVSS 5.4, published 14 Apr 2026)
- [CVE-2026-22692: October CMS October Rain Twig sandbox bypass via collection methods](https://junglewise.ai/threats/cve-2026-22692-october-cms-october-rain-twig-sandbox-bypass-via-collection) (medium, CVSS 4.9, published 14 Apr 2026)

## Most severe Octobercms vulnerabilities

- [CVE-2026-100909: OctoberCMS stream wrapper injection in ResizeImages](https://junglewise.ai/threats/cve-2026-100909-a-vulnerability-was-found-in-octobercms-up-to-4-1-19-4-2-25-4-3) (high, CVSS 7.3, published 28 Sep 2026)
- [CVE-2026-24906: October CMS has Stored XSS in Backend Editor Markup Classes](https://junglewise.ai/threats/cve-2026-24906-october-cms-has-stored-xss-in-backend-editor-markup-classes) (medium, CVSS 5.4, published 14 Apr 2026)
- [CVE-2026-24907: October CMS has Stored XSS in Event Log Mail Preview](https://junglewise.ai/threats/cve-2026-24907-october-cms-has-stored-xss-in-event-log-mail-preview) (medium, CVSS 5.4, published 14 Apr 2026)
- [CVE-2026-22692: October CMS October Rain Twig sandbox bypass via collection methods](https://junglewise.ai/threats/cve-2026-22692-october-cms-october-rain-twig-sandbox-bypass-via-collection) (medium, CVSS 4.9, published 14 Apr 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 1 vulnerability 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 | 1 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 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 |

## Octobercms technologies

- [Octobercms October](https://junglewise.ai/threats/technologies/october): 3 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, "Octobercms vulnerabilities", https://junglewise.ai/threats/vendors/octobercms, 9 November 2026.