Vulnerability-Lookup

CVE-2026-6351 (GCVE-0-2026-6351)

Vulnerability from cvelistv5 – Published: 2026-04-16 02:39 – Updated: 2026-04-16 13:02

Title

Openfind｜MailGates/MailAudit - CRLF Injection

Summary

MailGates/MailAudit developed by Openfind has a CRLF Injection vulnerability, allowing unauthenticated remote attackers to exploit this vulnerability to read system files.

Severity

8.7 (High)


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

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-16 13:02 UTC

CWE

CWE-93 - Improper neutralization of CRLF sequences ('CRLF injection')

Assigner

twcert mitre root

References

2 references

URL	Tags
https://www.twcert.org.tw/tw/cp-132-10844-1405d-1.html	third-party-advisory
https://www.twcert.org.tw/en/cp-139-10843-9ff91-2.html	third-party-advisory

Impacted products

2 products

Vendor	Product	Version	CPE status
Openfind	MailGates	Affected: 6.0 , < 6.1.10.054 (custom) Affected: 5.0 , < 5.2.10.099 (custom)	guessed
Openfind	MailAudit	Affected: 6.0 , < 6.1.10.054 (custom) Affected: 5.0 , < 5.2.10.099 (custom)	guessed

Date Public

2026-04-16 02:34

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-6351

Vulnerability from fkie_nvd - Published: 2026-04-16 03:16 - Updated: 2026-06-17 11:00

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Summary

MailGates/MailAudit developed by Openfind has a CRLF Injection vulnerability, allowing unauthenticated remote attackers to exploit this vulnerability to read system files.

References

	URL	Tags
	twcert@cert.org.tw	https://www.twcert.org.tw/en/cp-139-10843-9ff91-2.html
	twcert@cert.org.tw	https://www.twcert.org.tw/tw/cp-132-10844-1405d-1.html

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
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          "modifiedPrivilegesRequired": "NOT_DEFINED",
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          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
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          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
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          "privilegesRequired": "NONE",
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        },
        "source": "twcert@cert.org.tw",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-6351",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-04-16T13:02:17.083959Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-04-16T03:16:31.053",
  "references": [
    {
      "source": "twcert@cert.org.tw",
      "url": "https://www.twcert.org.tw/en/cp-139-10843-9ff91-2.html"
    },
    {
      "source": "twcert@cert.org.tw",
      "url": "https://www.twcert.org.tw/tw/cp-132-10844-1405d-1.html"
    }
  ],
  "sourceIdentifier": "twcert@cert.org.tw",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-93"
        }
      ],
      "source": "twcert@cert.org.tw",
      "type": "Secondary"
    }
  ]
}

GHSA-MGWX-W2XC-PJQ7

Vulnerability from github – Published: 2026-04-16 03:31 – Updated: 2026-04-16 03:31

Details

MailGates/MailAudit developed by Openfind has a CRLF Injection vulnerability, allowing unauthenticated remote attackers to exploit this vulnerability to read system files.

Severity

7.5 (High)


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

8.7 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-6351"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-93"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-16T03:16:31Z",
    "severity": "HIGH"
  },
  "details": "MailGates/MailAudit developed by Openfind has a CRLF Injection vulnerability, allowing unauthenticated remote attackers to exploit this vulnerability to read system files.",
  "id": "GHSA-mgwx-w2xc-pjq7",
  "modified": "2026-04-16T03:31:06Z",
  "published": "2026-04-16T03:31:06Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6351"
    },
    {
      "type": "WEB",
      "url": "https://www.twcert.org.tw/en/cp-139-10843-9ff91-2.html"
    },
    {
      "type": "WEB",
      "url": "https://www.twcert.org.tw/tw/cp-132-10844-1405d-1.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-6351 (GCVE-0-2026-6351)

FKIE_CVE-2026-6351

GHSA-MGWX-W2XC-PJQ7

Tags

Sightings

Nomenclature

Related by attack behaviour