How severe is CVE-2026-33350?

CVE-2026-33350 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-33350 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-33350?

CVE-2026-33350 primarily affects Mcgill Loris. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-33350?

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

Does CVE-2026-33350 have an EU (EUVD) identifier?

Yes. CVE-2026-33350 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20552.

When was CVE-2026-33350 published?

CVE-2026-33350 was published on 2026-04-08 and last updated on 2026-06-17.

CVE-2026-33350

CVE-2026-33350 is a high-severity vulnerability in Mcgill Loris with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-20552
Weakness: CWE-89
Affected product: Mcgill Loris
Published: 2026-04-08
Last modified: 2026-06-17

Description

LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research. Prior to 27.0.3 and 28.0.1, a SQL injection has been identified in some code sections for the MRI feedback popup window of the imaging browser. Attackers can use SQL ingestion to access/alter data on the server. This vulnerability is fixed in 27.0.3 and 28.0.1.

Frequently asked questions

What is CVE-2026-33350?: LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research. Prior to 27.0.3 and 28.0.1, a SQL injection has been identified in some code sections for the MRI feedback popup window of the imaging browser. Attackers can use SQL ingestion to access/alter data on the server. This vulnerability is fixed in 27.0.3 and 28.0.1.
How severe is CVE-2026-33350?: CVE-2026-33350 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-33350 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-33350?: CVE-2026-33350 primarily affects Mcgill Loris. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-33350?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-33350 have an EU (EUVD) identifier?: Yes. CVE-2026-33350 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20552.
When was CVE-2026-33350 published?: CVE-2026-33350 was published on 2026-04-08 and last updated on 2026-06-17.

References

https://github.com/aces/Loris/security/advisories/GHSA-9r29-6jgc-3ggh

Affected products (2)

cpe:2.3:a:mcgill:loris:*:*:*:*:*:*:*:*
cpe:2.3:a:mcgill:loris:28.0.0:*:*:*:*:*:*:*

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