CVE-2026-90799
Published:October 20, 2026
Updated:October 22, 2026
Unsafe binary deserialisation in chttpd in Apache CouchDB 3.5.2 and below on all platforms allows an authenticated user to cause a denial of service via memory exhaustion.
Users are recommended to upgrade to version 3.5.3, which fixes this issue.
Affected Packages
https://github.com/apache/couchdb.git (GITHUB):
Affected version(s) >=3.0.0 <3.5.3Fix Suggestion:
Update to version 3.5.3Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
1.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
LOW
Exploit Maturity
UNREPORTED
CVSS v3
Base Score:
5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Deserialization of Untrusted Data
EPSS
Base Score:
0.64