How severe is CVE-2026-33474?

CVE-2026-33474 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-33474 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-33474?

CVE-2026-33474 affects Vikunja. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-33474?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-33474 have an EU (EUVD) identifier?

Yes. CVE-2026-33474 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20082.

When was CVE-2026-33474 published?

CVE-2026-33474 was published on 2026-03-24 and last updated on 2026-06-17.

CVE-2026-33474

CVE-2026-33474 is a medium-severity vulnerability in Vikunja with a CVSS 3.x base score of 6.5. 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-400.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-20082
Weakness: CWE-400
Affected product: Vikunja
Published: 2026-03-24
Last modified: 2026-06-17

Description

Vikunja is an open-source self-hosted task management platform. Starting in version 1.0.0-rc0 and prior to version 2.2.0, unbounded image decoding and resizing during preview generation lets an attacker exhaust CPU and memory with highly compressed but extremely large-dimension images. Version 2.2.0 patches the issue.

Frequently asked questions

What is CVE-2026-33474?: Vikunja is an open-source self-hosted task management platform. Starting in version 1.0.0-rc0 and prior to version 2.2.0, unbounded image decoding and resizing during preview generation lets an attacker exhaust CPU and memory with highly compressed but extremely large-dimension images. Version 2.2.0 patches the issue.
How severe is CVE-2026-33474?: CVE-2026-33474 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-33474 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-33474?: CVE-2026-33474 affects Vikunja. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-33474?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-33474 have an EU (EUVD) identifier?: Yes. CVE-2026-33474 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20082.
When was CVE-2026-33474 published?: CVE-2026-33474 was published on 2026-03-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:vikunja:vikunja:*:*:*:*:*:*:*:*

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