Redocly / Redocly/redoc

The identified library DOMPurify, version 3.3.2 is vulnerable.

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Type: Bug
Dominant language
TypeScript
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Avg merge
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Merged PRs (30d)
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Description

Describe the bug
The identified library DOMPurify, version 3.3.2 is vulnerable.

CVE-2026-41239

CVE-2026-41238

CVE-2026-41240

https://github.com/cure53/DOMPurify/releases/tag/3.4.0

GHSA-v9jr-rg53-9pgp

GHSA-39q2-94rc-95cp

GHSA-crv5-9vww-q3g8

GHSA-h7mw-gpvr-xq4m

Expected behavior
No cve's in the latest version

Minimal reproducible OpenAPI snippet(if possible)
N/A
Screenshots
If applicable, add screenshots to help explain your problem.

Additional context
Add any other context about the problem here.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No file or test is named. Search the dependency manifests for DOMPurify 3.3.2, review the 3.4.0 release and update the dependency, then run the repository's existing dependency and test checks. Done means the project uses DOMPurify 3.4.0 and the reported vulnerabilities are no longer present.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript, typescript
Domain
security
Issue type
Bug
Difficulty
2/5
Estimated time
1-3 hours
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
62/100

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