# Collabora Online vulnerabilities

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

Junglewise Threat Intelligence has tracked 3 vulnerabilities in Collabora Online: 0 in the last 7 days and 2 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-48164, was published on 30 October 2026. 2 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 2
- Last 90 days: 2
- All time: 3 (1 critical, 0 exploited in the wild)

## About Collabora Online

Collabora office suite providing compatible alternatives to Microsoft Office applications.

## Latest Collabora Online vulnerabilities

- [CVE-2026-48164: Collabora Online reflected HTML injection in cool.html](https://junglewise.ai/threats/cve-2026-48164-collabora-online-is-a-collaborative-online-office-suite-based-on) (medium, CVSS 4.7, published 30 Oct 2026)
- [CVE-2026-46499: Collabora Online read-only session enforcement bypass](https://junglewise.ai/threats/cve-2026-46499-collabora-online-is-a-collaborative-online-office-suite-based-on) (medium, CVSS 4.3, published 30 Oct 2026)
- [CVE-2025-66208: Collabora Online - Built-in CODE Server (richdocumentscode) provides a built-in server with all of the document…](https://junglewise.ai/threats/cve-2025-66208-collabora-online-built-in-code-server-richdocumentscode-provides) (critical, CVSS 9.8, published 3 Dec 2025)

## Most severe Collabora Online vulnerabilities

- [CVE-2025-66208: Collabora Online - Built-in CODE Server (richdocumentscode) provides a built-in server with all of the document…](https://junglewise.ai/threats/cve-2025-66208-collabora-online-built-in-code-server-richdocumentscode-provides) (critical, CVSS 9.8, published 3 Dec 2025)
- [CVE-2026-48164: Collabora Online reflected HTML injection in cool.html](https://junglewise.ai/threats/cve-2026-48164-collabora-online-is-a-collaborative-online-office-suite-based-on) (medium, CVSS 4.7, published 30 Oct 2026)
- [CVE-2026-46499: Collabora Online read-only session enforcement bypass](https://junglewise.ai/threats/cve-2026-46499-collabora-online-is-a-collaborative-online-office-suite-based-on) (medium, CVSS 4.3, published 30 Oct 2026)

## Vulnerabilities per week

2 vulnerabilities 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 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 2 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## 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, "Collabora Online vulnerabilities", https://junglewise.ai/threats/technologies/online, 9 November 2026.