# tinacms (npm) vulnerabilities

Source: https://junglewise.ai/threats/technologies/tinacms  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/tinacms.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in tinacms (npm): 0 in the last 7 days and 1 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-108261, was published on 9 October 2026. Nothing in the last four weeks, down from 1 vulnerability in the four before. 0 critical against 1.

## Counts

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

## About tinacms (npm)

An open-source content management system for Markdown and MDX.

## Latest tinacms (npm) vulnerabilities

- [CVE-2026-108261: TinaCMS admin preview iframe origin validation bypass](https://junglewise.ai/threats/cve-2026-108261-tinacms-admin-preview-iframe-loads-an-attacker-controlled-origin) (critical, CVSS 9.3, published 9 Oct 2026)
- [CVE-2026-55661: TinaCMS stored XSS in rich-text link and image rendering](https://junglewise.ai/threats/cve-2026-55661-tinacms-stored-xss-in-rich-text-link-and-image-rendering) (medium, CVSS 4, published 1 Jul 2026)
- [CVE-2026-55660: TinaCMS origin validation error in postMessage handlers](https://junglewise.ai/threats/cve-2026-55660-tinacms-origin-validation-error-in-postmessage-handlers) (high, CVSS 4, published 1 Jul 2026)
- [CVE-2026-28791: TinaCMS path traversal in media upload handler](https://junglewise.ai/threats/cve-2026-28791-tinacms-path-traversal-in-media-upload-handler) (low, CVSS 3.1, published 12 Mar 2026)
- [CVE-2025-68278: TinaCMS arbitrary code execution in markdown frontmatter](https://junglewise.ai/threats/cve-2025-68278-tinacms-arbitrary-code-execution-in-markdown-frontmatter) (high, CVSS 8.8, published 18 Dec 2025)

## Most severe tinacms (npm) vulnerabilities

- [CVE-2026-108261: TinaCMS admin preview iframe origin validation bypass](https://junglewise.ai/threats/cve-2026-108261-tinacms-admin-preview-iframe-loads-an-attacker-controlled-origin) (critical, CVSS 9.3, published 9 Oct 2026)
- [CVE-2025-68278: TinaCMS arbitrary code execution in markdown frontmatter](https://junglewise.ai/threats/cve-2025-68278-tinacms-arbitrary-code-execution-in-markdown-frontmatter) (high, CVSS 8.8, published 18 Dec 2025)
- [CVE-2026-55660: TinaCMS origin validation error in postMessage handlers](https://junglewise.ai/threats/cve-2026-55660-tinacms-origin-validation-error-in-postmessage-handlers) (high, CVSS 4, published 1 Jul 2026)
- [CVE-2026-55661: TinaCMS stored XSS in rich-text link and image rendering](https://junglewise.ai/threats/cve-2026-55661-tinacms-stored-xss-in-rich-text-link-and-image-rendering) (medium, CVSS 4, published 1 Jul 2026)
- [CVE-2026-28791: TinaCMS path traversal in media upload handler](https://junglewise.ai/threats/cve-2026-28791-tinacms-path-traversal-in-media-upload-handler) (low, CVSS 3.1, published 12 Mar 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 1 vulnerability in the four before. 0 critical against 1.

| 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 | 1 | 1 | 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 |

## Other npm technologies

- [openclaw (npm)](https://junglewise.ai/threats/technologies/npm-openclaw): 214 vulnerabilities
- [flowise (npm)](https://junglewise.ai/threats/technologies/flowise): 133 vulnerabilities
- [parse-server (npm)](https://junglewise.ai/threats/technologies/parse-server): 117 vulnerabilities
- [vm2 (npm)](https://junglewise.ai/threats/technologies/vm2): 111 vulnerabilities
- [electron (npm)](https://junglewise.ai/threats/technologies/electron): 77 vulnerabilities
- [ghost (npm)](https://junglewise.ai/threats/technologies/ghost): 74 vulnerabilities
- [n8n (npm)](https://junglewise.ai/threats/technologies/npm-n8n): 64 vulnerabilities
- [hono (npm)](https://junglewise.ai/threats/technologies/hono): 62 vulnerabilities
- [directus (npm)](https://junglewise.ai/threats/technologies/directus): 61 vulnerabilities
- [nocodb (npm)](https://junglewise.ai/threats/technologies/nocodb): 54 vulnerabilities
- [undici (npm)](https://junglewise.ai/threats/technologies/undici): 53 vulnerabilities
- [@budibase/server (npm)](https://junglewise.ai/threats/technologies/budibase-server): 42 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, "tinacms (npm) vulnerabilities", https://junglewise.ai/threats/technologies/tinacms, 13 November 2026.