CVE-2026-33350: LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- a

Q: How do I fix CVE-2026-33350?

loris: upgrade to 27.0.3. Exact commands for each OS are on this page.

Q: Is CVE-2026-33350 being exploited?

CVE-2026-33350 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-33350 affect?

CVE-2026-33350 affects loris. Severity is high (CVSS 7.5). 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 sect

Q: How urgent is CVE-2026-33350?

Priority 35/100. High severity; Remotely exploitable, no login, no user action

Routine

HIGH 7.5REMOTEUPGRADE

CVE-2026-33350 is a high-severity flaw (CVSS 7.5) affecting loris. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 84%)
CISA exploited list	No
Weakness	CWE-89
Published	2026-04-08
Last modified	2026-07-24

Publisher (CNA): GitHub, Inc. · Vendor: mcgill

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-08 19:25 UTCPublished CVE record published
2026-07-24 23:10 UTCUpdated Record last modified

mcgill loris UPGRADE

Affected: < 27.0.3 · 28.0.0

Fixed in: 27.0.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy loris || rpm -q loris || loris --version

2. UPGRADE to 27.0.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade loris

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade loris

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-33350?

loris: upgrade to 27.0.3. Exact commands for each OS are on this page.

Is CVE-2026-33350 being exploited?

CVE-2026-33350 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-33350 affect?

CVE-2026-33350 affects loris. Severity is high (CVSS 7.5). 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 sect

How urgent is CVE-2026-33350?

Priority 35/100. High severity; Remotely exploitable, no login, no user action

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References

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