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Date: Tue, 02 May 2023 17:06:49 +0000
From: Nick Vatamaniuc <>
Subject: CVE-2023-26268: Apache CouchDB, IBM Cloudant: Information sharing
 via couchjs processes 

Affected versions:

- Apache CouchDB through 3.3.1
- IBM Cloudant through 8349


Design documents with matching document IDs, from databases on the same cluster, may share a mutable Javascript environment when using these design document functions:
  *  validate_doc_update

  *  list

  *  filter

  *  filter views (using view functions as filters)

  *  rewrite

  *  update

This doesn't affect map/reduce or search (Dreyfus) index functions.

Work Arounds:

Avoid using design documents from untrusted sources which may attempt to cache or store data in the Javascript environment.


Nick Vatamaniuc (finder)


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