CVE-2026-90798
Deferred Deferred - Pending Action

Denial of Service via Infinite HTTP Redirect Loop in Apache CouchDB

Publication date: 2026-10-20

Last updated on: 2026-10-20

Assigner: Apache Software Foundation

Description
A missing circuit-breaker in the replicator in Apache CouchDB 3.5.2 and below on all platforms allows the owner of a replication source or target to cause a denial of service via creating an infinite HTTP redirect loop. Users are recommended to upgrade to version 3.5.3, which fixes this issue.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-10-20
Last Modified
2026-10-20
Generated
2026-11-09
AI Q&A
2026-10-20
EPSS Evaluated
2026-11-08
NVD
CVE-2026-90798
EUVD
EUVD-2026-105157

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Apache Software Foundation Apache CouchDB 0

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-834 The product performs an iteration or loop without sufficiently limiting the number of times that the loop is executed.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is a missing circuit-breaker in the replicator of Apache CouchDB versions 3.5.2 and below. It allows the owner of a replication source or target to create an infinite HTTP redirect loop, causing a denial of service.

Detection Guidance

This vulnerability involves a missing circuit-breaker in Apache CouchDB's replicator causing infinite HTTP redirect loops. Detection requires checking CouchDB version and monitoring for unusual replication behavior or excessive HTTP redirects. No specific commands are provided in the context.

Impact Analysis

The vulnerability can lead to a denial of service, making the affected system unavailable. This could disrupt services relying on Apache CouchDB for data replication.

Compliance Impact

This vulnerability does not directly affect compliance with GDPR or HIPAA. It is a denial-of-service issue in Apache CouchDB's replicator component, allowing an attacker to cause service disruption. Compliance impacts would depend on how the affected system is used in a regulated environment.

Mitigation Strategies

Upgrade Apache CouchDB to version 3.5.3 or later to fix the missing circuit-breaker issue. This is the only recommended mitigation step provided in the context.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-90798. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart

Security Radar

News mentioning this vulnerability
Loading related security news...