An inefficient regular expression complexity issue in the in-memory query evaluation component of the Mongoid library may allow an unauthenticated party to cause excessive processing within an embedding application process. Applications that place user-supplied text into a pattern-matching query condition on an embedded association may become unresponsive.
{
"cna_assigner": "mongodb",
"cwe_ids": [
"CWE-1333"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93761.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"introduced": "7.2.0"
},
{
"last_affected": "7.2.6"
},
{
"introduced": "7.3.0"
},
{
"last_affected": "7.3.5"
},
{
"introduced": "7.4.0"
},
{
"last_affected": "7.4.3"
},
{
"introduced": "7.5.0"
},
{
"last_affected": "7.5.4"
},
{
"introduced": "7.6.0"
},
{
"last_affected": "7.6.1"
},
{
"introduced": "8.0.0"
},
{
"last_affected": "8.0.12"
},
{
"introduced": "8.1.0"
},
{
"last_affected": "8.1.12"
},
{
"introduced": "9.0.0"
},
{
"last_affected": "9.0.11"
},
{
"introduced": "9.1.0"
},
{
"last_affected": "9.1.0"
}
],
"source": "AFFECTED_FIELD"
}
]
}{
"cpe": [
"cpe:2.3:a:mongodb:mongoid:*:*:*:*:*:*:*:*",
"cpe:2.3:a:mongodb:mongoid:9.1.0:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"introduced": "8.0.0"
},
{
"fixed": "8.0.13"
},
{
"introduced": "8.1.0"
},
{
"fixed": "8.1.13"
},
{
"introduced": "9.0.0"
},
{
"fixed": "9.0.12"
},
{
"introduced": "9.1.0"
},
{
"last_affected": "9.1.0"
}
],
"source": [
"CPE_RANGE",
"CPE_STRING"
]
}