CVE-2026-44736

mediumCVSS 6.5covered by 1 sourcefirst seen 2026-06-26

OpenProject is open-source, web-based project management software. Prior to 17.4.0, the GET /api/v3/relations endpoint allows any authenticated user to retrieve relations — and the subject (title) of work packages they have no permission to view — by supplying an arbitrary work package ID in the involved, fromId, or toId filter. This bypasses the Relation.visible scope due to a flawed performance optimization in RelationQuery. This vulnerability is fixed in 17.4.0.

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Exploitation outlook

Low exploitation risk0.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all EPSS-scored CVEs.

Advisory coverage (1)

mediumCVE-2026-44736: OpenProject is open-source, web-based project management software. Prior to 17.4.0, the GET /a…nvd · 2026-06-26

External references

NVD record for CVE-2026-44736

CVE.org record

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