TI-2026-26961 Aliases CVE-2026-34717

OpenProject: SQL Injection in Cost Reporting =n Operator via parse_number_string

MEDIUM 43CWE-89Published 2026-04-02 · Updated 2026-04-03

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: SQL injection
Confidentiality · integrity · availability: Low · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-89.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00274 19th percentileScored 2026-11-08

Fix Fixed openproject (opf): 17.2.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
opf	openproject	before 17.2.3	17.2.3	Patch available	CNA

openproject Vendoropf Affected before 17.2.3 Fixed in 17.2.3 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:openproject:openproject::::::::	before 17.2.3	Vulnerable	opf

cpe:2.3:a:openproject:openproject:*:*:*:*:*:*:*:* Versions before 17.2.3 Vulnerable ·opf

Remediation

Fix · CNA openproject (opf) Fixed in 17.2.3

Timeline

2026-10-02 Threatist record created from CVE-2026-34717

References

Advisory 1

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

Other 1

https://github.com/opf/openproject/releases/tag/v17.2.3

TI-2019-08673 A SQL injection vulnerability in the activities API in OpenProject before 8.3.2 allows a… CVSS 3.0HIGH 8.1
TI-2026-26047 OpenProject: 2FA OTP Verification Missing Rate Limiting CVSS 3.1HIGH 7.4
TI-2026-29552 OpenProject has Cross-Project Meeting Agenda Item Injection via Unscoped Section Lookup CVSS 3.1HIGH 7.1
TI-2023-14850 OpenProject user sessions not terminated after activation of 2FA CVSS 3.1MEDIUM 6.5
TI-2026-18162 OpenProject is Vulnerable to Code Execution in E-Mail function CVSS 4.0HIGH 8.6
TI-2026-20830 Command Injection on OpenProject repositories leads to Remote Code Execution CVSS 4.0CRITICAL 9.4

See all 36 →

Sources

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