# tinacms (npm) vulnerabilities

5 known vulnerabilities (1 critical, 3 high, 1 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 3.15.1 (Nov 1, 2026): no advisory affects it
- Newest unaffected release: 3.15.1 (Nov 1, 2026), the latest release
- Weekly downloads: 69.6K
- Releases: 500+ since 3.7.4 (Apr 27, 2026)
- Registry: https://www.npmjs.com/package/tinacms
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-108261: 0.0.0-0509095-20260525122024 to 3.13.0 (3.14.0 is outside it)
- CVE-2026-55660: 0.0.0-0509095-20260525122024 to 3.9.2 (3.9.3 is outside it)
- CVE-2026-55661: 0.0.0-0509095-20260525122024 to 3.9.2 (3.9.3 is outside it)
- CVE-2026-28791: 0.0.0-0509095-20260525122024 to 0.0.0-ffbb4fa-20260624122203 (3.7.4 is outside it)
- CVE-2025-68278: 0.0.0-0509095-20260525122024 to 0.0.0-ffbb4fa-20260624122203 (3.7.4 is outside it)

Older releases aren't stored, so the earliest spans may start sooner.

## Advisories (5)

### [CVE-2026-108261](https://cve.now/CVE-2026-108261): TinaCMS admin preview iframe loads an attacker-controlled origin from the URL fragment

- Severity: Critical 9.3
- Published: Oct 9, 2026
- Affected: fixed in 3.14.0.
- Fixed in 3.14.0 (released Sep 14, 2026, 25 days before disclosure).
- The latest release, 3.15.1, is not affected.
- 69% of tinacms downloads last week were affected versions (62.4K).

### [CVE-2026-55660](https://cve.now/CVE-2026-55660): TinaCMS: Cross-origin postMessage handlers and rich-text URL-sanitization bypass enable stored XSS and session takeover

- Severity: High 7.6
- Published: Jul 1, 2026
- Affected: fixed in 3.9.3.
- Fixed in 3.9.3 (released Jun 15, 2026, 16 days before disclosure).
- The latest release, 3.15.1, is not affected.
- 56% of tinacms downloads last week were affected versions (50.7K).

### [CVE-2026-55661](https://cve.now/CVE-2026-55661): TinaCMS rich-text (slatejson) rendering does not sanitize link/image URLs, allowing stored XSS via dangerous URL schemes

- Severity: Medium 4.8
- Published: Jul 1, 2026
- Affected: fixed in 3.9.3.
- Fixed in 3.9.3 (released Jun 15, 2026, 16 days before disclosure).
- The latest release, 3.15.1, is not affected.
- 56% of tinacms downloads last week were affected versions (50.7K).

### [CVE-2026-28791](https://cve.now/CVE-2026-28791): Path Traversal in Media Upload Handle in Tina

- Severity: High 7.4
- Published: Mar 12, 2026
- Affected: fixed in 2.1.7.
- Fixed in 3.7.4 (released Apr 27, 2026, 46 days after disclosure, the advisory names 2.1.7, which was never published).
- The latest release, 3.15.1, is not affected.
- 38% of tinacms downloads last week were affected versions (34.4K).

### [CVE-2025-68278](https://cve.now/CVE-2025-68278): tinacms vulnerable to arbitrary code execution

- Severity: High 7.3
- Published: Dec 18, 2025
- Affected: fixed in 3.1.1.
- Fixed in 3.7.4 (released Apr 27, 2026, 130 days after disclosure, the advisory names 3.1.1, which was never published).
- The latest release, 3.15.1, is not affected.
- 51% of tinacms downloads last week were affected versions (45.8K).

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