How severe is CVE-2026-34717?

CVE-2026-34717 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.

Is CVE-2026-34717 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-34717?

CVE-2026-34717 affects Openproject. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-34717?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-34717 have an EU (EUVD) identifier?

Yes. CVE-2026-34717 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18470.

When was CVE-2026-34717 published?

CVE-2026-34717 was published on 2026-04-02 and last updated on 2026-06-17.

CVE-2026-34717

CVE-2026-34717 is a critical-severity vulnerability in Openproject with a CVSS 3.x base score of 9.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-18470
Weakness: CWE-89
Affected product: Openproject
Published: 2026-04-02
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-34717?: 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.
How severe is CVE-2026-34717?: CVE-2026-34717 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.
Is CVE-2026-34717 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34717?: CVE-2026-34717 affects Openproject. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-34717?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-34717 have an EU (EUVD) identifier?: Yes. CVE-2026-34717 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18470.
When was CVE-2026-34717 published?: CVE-2026-34717 was published on 2026-04-02 and last updated on 2026-06-17.

References

Affected products (1)

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

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