Denial of Service Vulnerability in Apache CouchDB by The Apache Software Foundation
CVE-2026-90797

7.7HIGH

Key Information:

Vendor

Apache
Status
Apache Couchdb
Vendor
CVE Published:
20 October 2026

What is CVE-2026-90797?

An infinite gzip decompression routine present in chttpd of Apache CouchDB versions 3.5.2 and earlier allows remote attackers to exhaust memory resources, potentially leading to a denial of service. This vulnerability can be exploited by sending crafted gzip compression requests, resulting in significant performance degradation or total service unavailability. Users are advised to upgrade to version 3.5.3, which addresses this issue effectively.

Affected Version(s)

Apache CouchDB 0 < 3.5.3

References

https://lists.apache.org/thread.html/pj83174r8f8f64odf47f...
release-notes
https://lists.apache.org/thread/gsbotof0qn8x6zlpd7t568ny4...
vendor-advisory

CVSS V4

Score:
7.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

ZeroVuln labs
.