CVE-2026-24776

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{"affected": [{"affectedData": [{"product": "openproject", "vendor": "opf", "versions": [{"status": "affected", "version": "< 17.0.2"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openproject:openproject:*:*:*:*:*:*:*:*", "matchCriteriaId": "3FA4C106-EEE3-4582-BE10-010975AE359B", "versionEndExcluding": "17.0.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenProject is an open-source, web-based project management software. Prior to 17.0.2, the drag&drop handler moving an agenda item to a different section was not properly checking if the target meeting section is part of the same meeting (or is the backlog, in case of recurring meetings). This allowed an attacker to move a meeting agenda item into a different meeting. The attacker did not get access to meetings, but they could add arbitrary agenda items, that could cause confusions. The vulnerability is fixed in 17.0.2."}, {"lang": "es", "value": "OpenProject es un software de gesti\u00f3n de proyectos de c\u00f3digo abierto y basado en la web. Antes de la 17.0.2, el manejador de arrastrar y soltar que mov\u00eda un elemento de la agenda a una secci\u00f3n diferente no verificaba correctamente si la secci\u00f3n de reuni\u00f3n de destino formaba parte de la misma reuni\u00f3n (o si era el backlog, en el caso de reuniones recurrentes). Esto permit\u00eda a un atacante mover un elemento de la agenda de una reuni\u00f3n a una reuni\u00f3n diferente. El atacante no obten\u00eda acceso a las reuniones, pero pod\u00eda a\u00f1adir elementos de la agenda arbitrarios, lo que podr\u00eda causar confusiones. La vulnerabilidad est\u00e1 corregida en la versi\u00f3n 17.0.2."}], "id": "CVE-2026-24776", "lastModified": "2026-06-17T10:23:34.497", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-24776", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-02-06T18:37:05.919070Z", "version": "2.0.3"}}]}, "published": "2026-02-06T18:15:58.497", "references": [{"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/opf/openproject/releases/tag/v17.0.2"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/opf/openproject/security/advisories/GHSA-p9v8-w9ph-hqmf"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-17T22:36:48.657400+00:00", "value": {"mitigation_remediation": ["Upgrade to OpenProject version\u202f17.0.2 or later to eliminate the authorization flaw.", "Verify that meeting permissions are correctly configured so that only authorized users can modify agenda items.", "If an upgrade cannot be performed immediately, temporarily disable drag\u2011and\u2011drop functionality for agenda items or restrict user roles that can move items until the patch is applied.", "Monitor meeting schedules and logs for unexpected agenda items to detect any unauthorized activity."], "summary": {"action": "Apply Patch", "impact": "Unauthorized Modification of Meeting Agenda Items"}, "threat_synthesis": {"affected_systems": "OpenProject, the open\u2011source project management platform published by opf, is affected. Any installation running a release older than version\u202f17.0.2 inherits the flaw and is vulnerable.", "description_and_impact": "OpenProject allows an IDOR where an authenticated user can move an agenda item to a section belonging to a different meeting. The flaw permits adding agenda items to meetings without giving the attacker direct access to those meetings, potentially causing confusion among participants.", "risk_and_exploitability": "The CVSS score is 4.3 and the EPSS indicates less than a 1\u202f% likelihood of exploitation. The vulnerability does not appear in the CISA KEV catalog. The attack requires an authenticated user to interact with the drag\u2011and\u2011drop interface; no publicly known exploits exist, so the risk is primarily mitigated by applying the patch or restricting permissions."}}}}, "created": "2026-02-09T10:49:53.608164+00:00", "updated": "2026-04-17T22:45:29.932923+00:00", "vendors": ["openproject", "openproject$PRODUCT$openproject"]}