CVE-2026-34717: OpenProject: SQL Injection in Cost Reporting =n Operator via parse_number_string

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-02 · updated 2026-07-24
Weakness: CWE-89

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.

Affected products

opf openproject: before 17.2.3 — fixed in 17.2.3

How to fix

Upgrade to a fixed version: opf openproject 17.2.3. Check the vendor advisory for mitigations.

References

https://github.com/opf/openproject/releases/tag/v17.2.3
https://github.com/opf/openproject/security/advisories/GHSA-5rrm-6qmq-2364

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