How severe is CVE-2026-1963?

CVE-2026-1963 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-1963 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-2026-1963?

CVE-2026-1963 affects Wekan Project Wekan. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-1963?

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

Does CVE-2026-1963 have an EU (EUVD) identifier?

Yes. CVE-2026-1963 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5526.

When was CVE-2026-1963 published?

CVE-2026-1963 was published on 2026-02-05 and last updated on 2026-06-17.

CVE-2026-1963

CVE-2026-1963 is a medium-severity vulnerability in Wekan Project Wekan with a CVSS 3.x base score of 6.3. 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-266.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 5.3
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5526
Weakness: CWE-266
Affected product: Wekan Project Wekan
Published: 2026-02-05
Last modified: 2026-06-17

Description

A vulnerability was found in WeKan up to 8.20. This affects an unknown function of the file models/attachments.js of the component Attachment Storage. The manipulation results in improper access controls. The attack may be launched remotely. Upgrading to version 8.21 mitigates this issue. The patch is identified as c413a7e860bc4d93fe2adcf82516228570bf382d. Upgrading the affected component is advised.

Frequently asked questions

What is CVE-2026-1963?: A vulnerability was found in WeKan up to 8.20. This affects an unknown function of the file models/attachments.js of the component Attachment Storage. The manipulation results in improper access controls. The attack may be launched remotely. Upgrading to version 8.21 mitigates this issue. The patch is identified as c413a7e860bc4d93fe2adcf82516228570bf382d. Upgrading the affected component is advised.
How severe is CVE-2026-1963?: CVE-2026-1963 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-1963 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-2026-1963?: CVE-2026-1963 affects Wekan Project Wekan. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-1963?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-1963 have an EU (EUVD) identifier?: Yes. CVE-2026-1963 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5526.
When was CVE-2026-1963 published?: CVE-2026-1963 was published on 2026-02-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wekan_project:wekan:*:*:*:*:*:*:*:*

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