CVE-2026-90797
Apache CouchDB: Pre-authentication gzip decompression bomb via POST /_session
- State
- Published
- Severity
- 7.7 High
- Published
- Oct 20, 2026
- Updated
- Oct 20, 2026
- Reserved
- Sep 13, 2026
Description
An unlimited gzip decompression routine in chttpd in Apache CouchDB 3.5.2 and below on all platforms allows any remote client to cause a denial of service via memory exhaustion. Users are recommended to upgrade to version 3.5.3, which fixes this issue.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U/S:N/AU:Y/R:A/V:D/RE:M/U:Red | apache |
Weaknesses
- CWE-409 Improper Handling of Highly Compressed Data (Data Amplification)
Affected Products
| Product | Versions |
|---|---|
Apache CouchDBApache Software Foundation |
|
References
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