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CVE-2026-90800

8.1 high SSVC exploitation: none Deferred
NVD · CVE.org

Missing authorisation checks in chttpd in Apache CouchDB 3.5.2 and below on all platforms allows any request to read the full contents of a prefixed _user or _replicator database via an unauthorised API endpoint. The use of prefixed system databases is very rare. Users are recommended to upgrade to version 3.5.3, which fixes this issue.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 7

  1. References+1 references (now 3)NVD modified 2026-10-20 19:34
  2. StatusPublished → DeferredNVD modified 2026-10-20 19:34
  3. StatusReceived → PublishedNVD modified 2026-10-20 16:57
  4. CwesCWE-862NVD modified 2026-10-20 17:17
  5. StatusPublished → ReceivedNVD modified 2026-10-20 17:17
  6. StatusReceived → PublishedNVD modified 2026-10-20 15:40
  7. First seenCVSS 8.1NVD modified 2026-10-20 16:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 3