CVE-2026-93761

Source
https://cve.org/CVERecord?id=CVE-2026-93761
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93761.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-93761
Published
2026-09-18T17:20:34Z
Modified
2026-09-26T03:48:39Z
Severity
  • 8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
Denial of service via unbounded regex matching in Mongoid's in-memory query matcher
Details

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.

Database specific
{
    "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"
        }
    ]
}
References

Affected packages

Git / github.com/mongodb/mongoid

Affected ranges

Type
GIT
Repo
https://github.com/mongodb/mongoid
Events
Database specific
Show details
{
    "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"
    ]
}

Affected versions

9.*
9.1.0
v8.*
v8.0.0
v8.0.1
v8.0.10
v8.0.11
v8.0.12
v8.0.2
v8.0.3
v8.0.4
v8.0.5
v8.0.6
v8.0.7
v8.0.8
v8.0.9
v8.1.0
v8.1.1
v8.1.10
v8.1.11
v8.1.12
v8.1.2
v8.1.3
v8.1.4
v8.1.5
v8.1.6
v8.1.7
v8.1.8
v8.1.9
v9.*
v9.0.0
v9.0.1
v9.0.10
v9.0.11
v9.0.2
v9.0.3
v9.0.4
v9.0.5
v9.0.6
v9.0.7
v9.0.8
v9.0.9
v9.1.0

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93761.json"