CVE-2026-22601

OpenProject is an open-source, web-based project management software. For OpenProject version 16.6.1 and below, a registered administrator can execute arbitrary command by configuring sendmail binary path and sending a test email. This issue has been patched in version 16.6.2.

CVSS v3 7.2 HIGH

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/opf/openproject/releases/tag/v16.6.2	Release Notes
https://github.com/opf/openproject/security/advisories/GHSA-9vrv-7h26-c7jc	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:openproject:openproject:*:*:*:*:*:*:*:*

History

17 Jun 2026, 10:20

Type	Values Removed	Values Added
Summary		(es) OpenProject es un software de gestión de proyectos de código abierto basado en la web. Para OpenProject versión 16.6.1 y anteriores, un administrador registrado puede ejecutar comandos arbitrarios configurando la ruta del binario de sendmail y enviando un correo electrónico de prueba. Este problema ha sido parcheado en la versión 16.6.2.

14 Jan 2026, 22:26

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.2
First Time		Openproject openproject Openproject
CPE		cpe:2.3:a:openproject:openproject::::::::
References	~~() https://github.com/opf/openproject/releases/tag/v16.6.2 -~~	() https://github.com/opf/openproject/releases/tag/v16.6.2 - Release Notes
References	~~() https://github.com/opf/openproject/security/advisories/GHSA-9vrv-7h26-c7jc -~~	() https://github.com/opf/openproject/security/advisories/GHSA-9vrv-7h26-c7jc - Vendor Advisory

10 Jan 2026, 02:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-10 02:15

Updated : 2026-06-17 10:20

NVD link : CVE-2026-22601

Mitre link : CVE-2026-22601

CVE.ORG link : CVE-2026-22601

JSON object : View

Products Affected

openproject

openproject

CWE

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

{"id": "CVE-2026-22601", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-22601", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-01-12T19:16:35.525298Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.2}], "cvssMetricV40": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.6, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "opf", "product": "openproject", "versions": [{"status": "affected", "version": "< 16.6.2"}]}]}], "published": "2026-01-10T02:15:48.913", "references": [{"url": "https://github.com/opf/openproject/releases/tag/v16.6.2", "tags": ["Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/opf/openproject/security/advisories/GHSA-9vrv-7h26-c7jc", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-77"}]}], "descriptions": [{"lang": "en", "value": "OpenProject is an open-source, web-based project management software. For OpenProject version 16.6.1 and below, a registered administrator can execute arbitrary command by configuring sendmail binary path and sending a test email. This issue has been patched in version 16.6.2."}, {"lang": "es", "value": "OpenProject es un software de gesti\u00f3n de proyectos de c\u00f3digo abierto basado en la web. Para OpenProject versi\u00f3n 16.6.1 y anteriores, un administrador registrado puede ejecutar comandos arbitrarios configurando la ruta del binario de sendmail y enviando un correo electr\u00f3nico de prueba. Este problema ha sido parcheado en la versi\u00f3n 16.6.2."}], "lastModified": "2026-06-17T10:20:08.543", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:openproject:openproject:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BF8C07E6-1B04-4E9E-A12C-8CB0A17A95D5", "versionEndExcluding": "16.6.2"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}