Vulnerability-Lookup

GHSA-QWQF-36V4-65W4

Vulnerability from github – Published: 2026-06-10 00:31 – Updated: 2026-06-10 00:31

Details

When OIDC authentication is enabled in configuration, clients may set specific values in the "mechanism" parameter of the "authenticate" command that lead to server crash. The authenticate command is accessible to unauthenticated clients, leading to pre-auth denial-of-service in affected product configurations.

Severity ?

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

8.2 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

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JSON

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  "aliases": [
    "CVE-2026-9742"
  ],
  "database_specific": {
    "cwe_ids": [
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    "nvd_published_at": "2026-06-09T23:17:03Z",
    "severity": "HIGH"
  },
  "details": "When OIDC authentication is enabled in configuration, clients may set specific values in the \"mechanism\" parameter of the \"authenticate\" command that lead to server crash. The authenticate command is accessible to unauthenticated clients, leading to pre-auth denial-of-service in affected product configurations.",
  "id": "GHSA-qwqf-36v4-65w4",
  "modified": "2026-06-10T00:31:50Z",
  "published": "2026-06-10T00:31:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-9742"
    },
    {
      "type": "WEB",
      "url": "https://jira.mongodb.org/browse/SERVER-124183"
    }
  ],
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  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
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  ]
}

CVE-2026-9742 (GCVE-0-2026-9742)

Vulnerability from cvelistv5 – Published: 2026-06-09 21:57 – Updated: 2026-06-10 13:22

Title

Authenticate command with specific mechanism parameter can trigger server crash

Summary

Severity ?

8.2 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-1287 - Improper validation of specified type of input

Assigner

mongodb

References

URL

Tags

https://jira.mongodb.org/browse/SERVER-124183

Impacted products

	Vendor	Product	Version
	MongoDB	MongoDB Server	Affected: 8.3.0 , < 8.3.3 (custom) Affected: 8.2.0 , < 8.2.10 (custom)

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JSON

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-QWQF-36V4-65W4

CVE-2026-9742 (GCVE-0-2026-9742)

Tags

Sightings

Nomenclature