Vulnerability-Lookup

CVE-2026-34741 (GCVE-0-2026-34741)

Vulnerability from cvelistv5 – Published: 2026-08-21 21:50 – Updated: 2026-08-26 17:45

Title

Combodo iTop: Authentication bypass in exec.php allows PHP file execution

Summary

Combodo iTop is a web based IT service management tool. Prior to 3.2.3, authentication bypass allows unauthenticated remote attackers to execute arbitrary PHP files from the env-production directory on a new iTop instance in the production environment. This issue has been fixed in version 3.2.3.

Severity

8.6 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-26 17:45 UTC

CWE

CWE-306 - Missing Authentication for Critical Function

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/Combodo/iTop/security/advisori…	x_refsource_CONFIRM
https://github.com/Combodo/iTop/commit/4fe61cbdc7…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version	CPE status
Combodo	iTop	Affected: < 3.2.3	guessed

Show details on NVD website

JSON

To clipboard

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                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-26T17:45:43.149679Z",
                "version": "2.0.3"
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        }
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FKIE_CVE-2026-34741

Vulnerability from fkie_nvd - Published: 2026-08-21 22:16 - Updated: 2026-08-26 18:16

Severity

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

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/Combodo/iTop/commit/4fe61cbdc779cb5576395d4ae8be31f9fbc7306c
	security-advisories@github.com	https://github.com/Combodo/iTop/security/advisories/GHSA-36h9-5qw2-jcc6

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "iTop",
          "vendor": "Combodo",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 3.2.3"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Combodo iTop is a web based IT service management tool. Prior to 3.2.3, authentication bypass allows unauthenticated remote attackers to execute arbitrary PHP files from the env-production directory on a new iTop instance in the production environment. This issue has been fixed in version 3.2.3."
    }
  ],
  "id": "CVE-2026-34741",
  "lastModified": "2026-08-26T18:16:30.583",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 8.6,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "LOW",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.7,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
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          "options": [
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            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-26T17:45:43.149679Z",
          "version": "2.0.3"
        }
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  "published": "2026-08-21T22:16:37.143",
  "references": [
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    },
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  ],
  "sourceIdentifier": "security-advisories@github.com",
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          "value": "CWE-306"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}

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.

Action not permitted

CVE-2026-34741 (GCVE-0-2026-34741)

FKIE_CVE-2026-34741

Tags

Sightings

Nomenclature