CVE-2026-6811

Source
https://cve.org/CVERecord?id=CVE-2026-6811
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-6811.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-6811
Downstream
Published
2026-05-14T21:27:03Z
Modified
2026-09-26T03:47:12Z
Severity
  • 6.0 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
PHP Stack Exhaustion
Details

Stack exhaustion vulnerability in the MongoDB PHP driver can cause application crashes when processing deeply nested BSON documents in unusual circumstances when the source of these BSON documents is not MongoDB Server.

Database specific
{
    "cna_assigner":  "mongodb",
    "cwe_ids":  [
        "CWE-674"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6811.json",
    "unresolved_ranges":  [
        {
            "extracted_events":  [
                {
                    "introduced":  "1.21.5"
                },
                {
                    "last_affected":  "1.21.5"
                },
                {
                    "introduced":  "2.1.8"
                },
                {
                    "last_affected":  "2.1.8"
                }
            ],
            "source":  "AFFECTED_FIELD"
        }
    ]
}
References

Affected packages

Git / github.com/mongodb/mongo-php-driver

Affected ranges

Type
GIT
Repo
https://github.com/mongodb/mongo-php-driver
Events
Database specific
Show details
{
    "cpe":  "cpe:2.3:a:mongodb:php_driver:*:*:*:*:*:mongodb:*:*",
    "extracted_events":  [
        {
            "introduced":  "1.21.0"
        },
        {
            "fixed":  "1.21.5"
        },
        {
            "introduced":  "2.1.0"
        },
        {
            "fixed":  "2.1.8"
        }
    ],
    "source":  "CPE_RANGE"
}

Affected versions

1.*
1.21.0
1.21.1
1.21.2
1.21.4
2.*
2.1.0
2.1.1
2.1.2
2.1.3
2.1.4
2.1.7

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-6811.json"