{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-90797", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-09-13T15:01:20.073Z", "datePublished": "2026-10-20T15:39:23.376Z", "dateUpdated": "2026-10-20T18:10:06.210Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-10-20T15:39:23.376Z" }, "title": "Apache CouchDB: Pre-authentication gzip decompression bomb via POST /_session", "source": { "discovery": "UNKNOWN" }, "affected": [ { "vendor": "Apache Software Foundation", "product": "Apache CouchDB", "versions": [ { "status": "affected", "version": "0", "lessThan": "3.5.3", "versionType": "semver" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "value": "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.\nUsers are recommended to upgrade to version 3.5.3, which fixes this issue.", "lang": "en", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "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.
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